| Class Number |
Class Name |
No. of Patents |
| 74/625 |
Alternate manual or power operators |
285 |
| 74/828 |
Alternating-motion driven device with means during operation to adjust stroke |
16 |
| 74/829 |
Constant length stroke with means to displace end limits |
6 |
| 74/830 |
Cyclical displacement responsive to the alternating-motion |
1 |
| 74/831 |
Stroke adjustable to zero and/or reversible in phasing |
11 |
| 74/838 |
Cam and follower drive |
10 |
| 74/839 |
Axial-type cam (e.g., wabbler type) |
18 |
| 74/837 |
Crank pin drive, shiftable pin |
23 |
| 74/833 |
Device driven from selected points on oscillating link |
19 |
| 74/834 |
Driving lever with adjustable pivot point |
27 |
| 74/835 |
Eccentric and strap drive, shiftable eccentric |
12 |
| 74/836 |
Changing the extent of eccentricity |
23 |
| 74/832 |
Plural driving means to jointly drive the driven device |
4 |
| 74/2 |
Automatic operation or control (e.g., trips) |
170 |
| 74/4 |
Hit and miss |
3 |
| 74/3.5 |
Retarded |
18 |
| 74/3.54 |
Clock train |
6 |
| 74/3.56 |
Winding knob trip (e.g., alarm mechanism) |
0 |
| 74/3.52 |
Plural, sequential, trip actuations |
12 |
| 74/3 |
Speed controlled |
14 |
| 74/3.2 |
Valve gear trips (e.g., steam engine "corliss" type) |
6 |
| 74/469 |
Control lever and linkage systems |
164 |
| | Elements | |
| 74/565 |
Controller checks |
7 |
| 74/527 |
Detents |
612 |
| 74/531 |
Friction |
348 |
| 74/530 |
Gear |
52 |
| 74/528 |
Hand crank |
128 |
| 74/529 |
Interrelated lever release |
138 |
| 74/540 |
Lever carried rack |
85 |
| 74/542 |
Pedal controlled |
25 |
| 74/541 |
Pivoted |
22 |
| 74/533 |
Lever engaging rack |
36 |
| 74/537 |
Finger lever release |
44 |
| 74/538 |
Slidable |
133 |
| 74/536 |
Handle release |
42 |
| 74/535 |
Lever carried pawl |
118 |
| 74/539 |
Pedal controlled |
21 |
| 74/534 |
Pivoted |
16 |
| 74/532 |
Lever engaging |
67 |
| 74/564 |
Foot rests |
107 |
| 74/543 |
Handles |
184 |
| 74/558.5 |
Caps and covers |
107 |
| 74/544 |
Extension |
83 |
| 74/545 |
Hand crank |
167 |
| 74/547 |
Collapsible |
65 |
| 74/546 |
Extensible |
30 |
| 74/552 |
Hand wheels |
536 |
| 74/557 |
Handles |
184 |
| 74/553 |
Knob or dial |
258 |
| 74/555 |
Pivoted |
12 |
| 74/556 |
Releasable |
6 |
| 74/558 |
Rim grips and covers |
188 |
| 74/554 |
Slidable |
26 |
| 74/551.1 |
Handle bars |
373 |
| 74/551.8 |
Attachments and accessories |
294 |
| 74/551.3 |
Folding or adjustable |
210 |
| 74/551.6 |
Continuous |
20 |
| 74/551.7 |
With handle latch |
20 |
| 74/551.4 |
Sectional |
49 |
| 74/551.5 |
Simultaneously movable |
19 |
| 74/551.9 |
Handholds and grips |
252 |
| 74/551.2 |
Spring biased or supported |
58 |
| 74/548 |
Shaft connections |
110 |
| 74/550 |
Engine starter type |
1 |
| 74/551 |
Holders |
3 |
| 74/519 |
Levers |
195 |
| 74/522 |
Adjustable |
161 |
| 74/523 |
Hand |
374 |
| 74/525 |
Adjustable |
65 |
| 74/524 |
Jointed |
43 |
| 74/526 |
Stops |
378 |
| 74/522.5 |
Swing posts |
7 |
| 74/520 |
Toggle |
104 |
| 74/521 |
Lazy tongs |
28 |
| 74/560 |
Pedals |
485 |
| 74/562 |
Extension |
42 |
| 74/562.5 |
Offset |
25 |
| 74/563 |
Pads and covers |
40 |
| 74/561 |
Treadles |
19 |
| 74/559 |
Rocker arms |
258 |
| 74/566 |
Slot closers and lever guards |
67 |
| 74/512 |
Foot operated |
818 |
| 74/513 |
Accelerator |
356 |
| 74/514 |
Signal |
96 |
| 74/491 |
Hand operated |
232 |
| 74/500.5 |
Flexible transmitter (e.g., bowden cable) |
372 |
| 74/501.6 |
And hand operator |
342 |
| 74/502.1 |
For moving a mirror |
103 |
| 74/502.2 |
Single rotatable lever (e.g., for bicycle brake or derailleur) |
618 |
| 74/502 |
Slidable |
158 |
| 74/502.4 |
And sheath support, connector, or anchor |
577 |
| 74/501.5R |
Constant tension sustaining |
469 |
| 74/501.5H |
Hydraulic control |
19 |
| 74/502.3 |
Including rolling antifriction elements |
54 |
| 74/502.6 |
Specific cable connector or guide |
556 |
| 74/502.5 |
Specific cable or sheath structure |
143 |
| 74/504 |
Rotatable rod, shaft, or post |
56 |
| 74/510 |
Adjustable |
5 |
| 74/506 |
Drum and cable |
131 |
| 74/505 |
Gear, drum, and cable |
109 |
| 74/507 |
Gear |
16 |
| 74/509 |
Screw and nut |
13 |
| 74/508 |
Variable ratio |
4 |
| 74/511R |
Mountings |
13 |
| 74/511A |
Antenna |
1 |
| 74/503 |
Sliding rod |
53 |
| 74/492 |
Steering posts |
575 |
| 74/493 |
Adjustable |
827 |
| 74/494 |
Auxiliary operators |
22 |
| 74/496 |
Motion translating mechanism |
43 |
| 74/497 |
Cam type |
19 |
| 74/498 |
Gear type |
208 |
| 74/499 |
Screw and nut |
39 |
| 74/500 |
Worm |
19 |
| 74/495 |
Position controllers |
62 |
| 74/515R |
Knee operated |
9 |
| 74/515E |
Elbow |
4 |
| 74/471R |
Multiple controlled elements |
218 |
| 74/471XY |
Control moves in two planes |
673 |
| 74/478 |
Foot operated |
80 |
| 74/478.5 |
Offset extension |
22 |
| 74/473.1 |
Transmission control |
312 |
| 74/473.18 |
Control convertible between automatic and manual operation |
154 |
| 74/473.19 |
Control of plural mechanisms (e.g., control of transmission and control of 4 - wheel drive) |
59 |
| 74/473.2 |
Separate control levers |
19 |
| 74/473.12 |
Electrical actuator |
315 |
| 74/473.11 |
Fluid actuator |
133 |
| 74/473.16 |
Foot operated |
88 |
| 74/473.17 |
Multiple foot-operated controls |
28 |
| 74/473.29 |
Having vibration damper |
57 |
| 74/473.3 |
Manually operated selector (e.g., remotely controlled device, lever, push button, rotary dial, etc.) |
289 |
| 74/473.33 |
Control lever movable through plural planes |
161 |
| 74/473.34 |
Spherical mount (e.g., ball and socket) |
66 |
| 74/473.35 |
Resiliently biased control lever |
23 |
| 74/473.31 |
Control lever on steering column |
70 |
| 74/473.32 |
Control lever movable through plural planes |
21 |
| 74/473.13 |
Occupant propelled vehicle |
99 |
| 74/473.14 |
Transmission controlled by flexible cable |
82 |
| 74/473.36 |
Particular element (e.g., shift fork, template, etc.) |
187 |
| 74/473.37 |
Shift fork structure |
89 |
| 74/473.21 |
Restriction of shift, gear selection, or gear engagement |
285 |
| 74/473.22 |
Prevention of reverse shift |
68 |
| 74/473.28 |
Resiliently biased restrictor |
103 |
| 74/473.23 |
Separate actuator to disengage restrictor |
155 |
| 74/473.24 |
Shift element interlock |
122 |
| 74/473.26 |
Resiliently biased interlock |
67 |
| 74/473.25 |
With detent, recess, notch, or groove |
133 |
| 74/473.27 |
Spherical restrictor |
37 |
| 74/473.15 |
Transmission controlled by flexible cable |
102 |
| 74/479.01 |
Multiple controlling elements for single controlled element |
281 |
| 74/490 |
Antirattling elements |
8 |
| 74/480R |
Interconnected |
131 |
| 74/481 |
Hand and foot |
101 |
| 74/482 |
Accelerator |
56 |
| 74/480B |
Marine |
107 |
| 74/483R |
Interlocked |
162 |
| 74/483PB |
Push button |
68 |
| 74/483K |
Rod blocks actuation of rotary member |
45 |
| 74/490.12 |
Manual controlling elements |
9 |
| 74/490.14 |
Levers |
13 |
| 74/490.15 |
Pair of levers |
17 |
| 74/490.13 |
Planar surface with orthogonal movement or rotation |
33 |
| 74/490.11 |
Power and manual controlling elements |
15 |
| 74/490.07 |
Power elements as controlling elements |
56 |
| 74/490.1 |
Pair of power elements |
41 |
| 74/490.08 |
Planar surface with orthogonal movement and rotation |
52 |
| 74/490.09 |
Planar surface with orthogonal movement only |
120 |
| 74/490.01 |
Robotic arm |
309 |
| 74/490.03 |
Including electric motor |
233 |
| 74/490.04 |
Including flaccid drive element |
124 |
| 74/490.02 |
Including power cable or connector |
92 |
| 74/490.05 |
Joint between elements |
259 |
| 74/490.06 |
Wrist |
182 |
| 74/484R |
Steering and controls assemblies |
124 |
| 74/486 |
Reciprocating control elements |
14 |
| 74/487 |
Flexible |
16 |
| 74/488 |
Handle bar type |
93 |
| 74/489 |
Flexible control element |
511 |
| 74/485 |
Rotary control shaft |
22 |
| 74/484H |
With horn control |
11 |
| 74/470 |
Resilient connections |
161 |
| 74/516 |
Variable output force |
104 |
| 74/517 |
Flexible |
30 |
| 74/518 |
Variable input leverage |
46 |
| 74/DIG.11 |
Creeper speed |
3 |
| | Elements | |
| 74/572.4 |
Balancing for drum, e.g., washing machine or arm-type structure, etc., centrifuge, etc. |
83 |
| 74/567 |
Cams |
537 |
| 74/568R |
Adjustable |
347 |
| 74/568FS |
Flexible strip |
16 |
| 74/568M |
Memory devices |
9 |
| 74/568T |
Timer devices |
49 |
| 74/569 |
Follower |
679 |
| 74/594.1 |
Cranks and pedals |
302 |
| 74/594.4 |
Pedals |
266 |
| 74/594.7 |
Adjustable or folding |
52 |
| 74/594.5 |
Counterbalanced |
15 |
| 74/594.6 |
With toe or shoe clips |
310 |
| 74/594.3 |
Variable |
73 |
| 74/594.2 |
With attached gear |
211 |
| 74/595 |
Cranks and wrist pins |
133 |
| 74/600 |
Adjustable |
93 |
| 74/601 |
Automatically |
5 |
| 74/603 |
Counterbalanced |
235 |
| 74/604 |
Vibration dampers |
135 |
| 74/605 |
Lubricated |
39 |
| 74/596 |
Multiple throw |
17 |
| 74/597 |
Sectional |
41 |
| 74/598 |
Sectional |
32 |
| 74/602 |
Variable |
17 |
| 74/599 |
Yieldable |
7 |
| 74/570.1 |
Eccentric |
43 |
| 74/571.1 |
Adjustable |
49 |
| 74/571.11 |
Radially |
24 |
| 74/570.3 |
Having anti-friction means, e.g., roller bearing, lubrication, etc. |
18 |
| 74/570.2 |
Plural, movable relative to each other (including ball(s)) |
71 |
| 74/570.21 |
Concentric |
28 |
| 74/572.2 |
Flywheel, motion smoothing-type |
68 |
| 74/574.4 |
Damping by absorbing vibration force (via rubber, elastomeric material, etc.) |
155 |
| 74/574.3 |
Damping by increasing frictional force |
38 |
| 74/574.2 |
Damping using swinging masses, e.g., pendulum type, etc. |
65 |
| 74/572.21 |
Structural detail, e.g., fiber, held by magnet, etc. |
62 |
| 74/574.1 |
With electrical or magnetic damping |
24 |
| 74/573.1 |
With fluid balancing means |
54 |
| 74/573.13 |
And bearings |
7 |
| 74/573.12 |
And elastic device |
29 |
| 74/573.11 |
And pressure compensation |
20 |
| 74/606R |
Gear casings |
1316 |
| 74/607 |
Axle and torque tubes |
193 |
| 74/606A |
Cooling |
131 |
| 74/612 |
Guard mechanisms |
76 |
| 74/613 |
Automatic |
17 |
| 74/614 |
Oscillating member actuator |
2 |
| 74/615 |
Reciprocating member actuator |
17 |
| 74/616 |
Operator controlled |
13 |
| 74/617 |
Set screw |
2 |
| 74/608 |
Guards |
143 |
| 74/609 |
For rotary member |
110 |
| 74/575 |
Pawls and ratchets |
142 |
| 74/576 |
Noiseless |
40 |
| 74/577R |
Pivoted pawls |
79 |
| 74/577SF |
Flexible single tooth |
16 |
| 74/577M |
Multiple tooth |
101 |
| 74/577S |
Single tooth |
79 |
| 74/578 |
Sliding pawls |
46 |
| 74/579R |
Pitmans and connecting rods |
263 |
| 74/594 |
Bearings, adjustable |
18 |
| 74/589 |
Counterbalanced |
12 |
| 74/592 |
Spring |
12 |
| 74/590 |
Weight type |
29 |
| 74/591 |
Rotating |
33 |
| 74/579E |
Engine type |
222 |
| 74/587 |
Hollow rod, lubricated |
22 |
| 74/579F |
Idler arm |
2 |
| 74/586 |
Longitudinally adjustable |
85 |
| 74/580 |
Radial |
8 |
| 74/593 |
Section coupled |
16 |
| 74/588 |
Sheet metal type |
29 |
| 74/581 |
Yieldable |
52 |
| 74/584 |
Automatic release |
11 |
| 74/585 |
Toggle link type |
6 |
| 74/583 |
Fluid cushion |
17 |
| 74/582 |
Longitudinal springs |
23 |
| 74/572.1 |
Power generating-type flywheel |
89 |
| 74/572.11 |
Structural detail, e.g., material, configuration, superconductor, discs, laminated, etc. |
72 |
| 74/572.12 |
Containing fiber or filament |
63 |
| 74/6 |
Engine starters |
266 |
| 74/7R |
Automatic |
179 |
| 74/7C |
Clutch connection |
189 |
| 74/7B |
Holders |
8 |
| 74/7E |
Reduction gearing |
227 |
| 74/7A |
Separate power mesher |
218 |
| 74/7D |
Worm and wheel |
2 |
| 74/9 |
Cam operated |
7 |
| 74/8 |
Radial meshing |
10 |
| 74/1.5 |
Escapements |
29 |
| 74/18 |
Flexible sealing diaphragm attached to moving rod and to casing |
55 |
| 74/18.2 |
Longitudinally reciprocating rod |
113 |
| 74/18.1 |
Pivoting or nutating rod |
88 |
| 74/17.5 |
Full stroke mechanism |
4 |
| 74/DIG.5 |
Gas turbine with gearing |
27 |
| 74/640 |
Gearing |
300 |
| 74/395 |
Adjustable |
85 |
| 74/400 |
Fixed axes |
27 |
| 74/402 |
Automatic control |
11 |
| 74/403 |
Parallel shafts |
9 |
| 74/401 |
Parallel shafts |
22 |
| 74/396 |
Relative movable axes |
52 |
| 74/398 |
Automatic control |
17 |
| 74/399 |
Parallel shafts |
19 |
| 74/397 |
Parallel shafts |
82 |
| 74/318 |
Alternating rotary or continuous |
3 |
| 74/319 |
Alternating rotary |
7 |
| 74/322 |
Clutchable gears |
11 |
| 74/323 |
On single driven member |
13 |
| 74/324 |
On single driving member |
2 |
| 74/320 |
Progressive |
2 |
| 74/321 |
Shiftable and/or slidable gears |
8 |
| 74/409 |
Backlash take-up |
444 |
| 74/391 |
Central driving shaft in axle |
36 |
| 74/412R |
Directly cooperating gears |
37 |
| 74/423 |
Bevel |
66 |
| 74/424 |
Motor vehicle drive |
58 |
| 74/416 |
Intersecting axes |
98 |
| 74/417 |
Bevel gear type |
212 |
| 74/413 |
Parallel axes or shafts |
101 |
| 74/414 |
External type |
64 |
| 74/415 |
Pin teeth |
27 |
| 74/422 |
Rack and pinion |
457 |
| 74/424.5 |
Spiral |
35 |
| 74/424.6 |
Driven rack or shaft |
36 |
| 74/424.71 |
Screw and nut |
119 |
| 74/424.94 |
Less than 360 degrees of contact between nut and screw |
49 |
| 74/424.95 |
Independent nut segments |
21 |
| 74/424.96 |
Integral deformable tangs engaging screw |
9 |
| 74/424.74 |
Non-linear screw |
13 |
| 74/424.78 |
Nut disengageable from screw |
64 |
| 74/424.79 |
Nut segments hinged parallel to shaft (e.g., clam shell-type, etc.) |
5 |
| 74/424.72 |
Plural longitudinally variably spaced nuts |
31 |
| 74/424.81 |
Rolling element engaging thread |
43 |
| 74/424.89 |
Non-recirculating rolling elements |
34 |
| 74/424.9 |
Captured sphere |
18 |
| 74/424.91 |
Cylindrical or quasi-cylindrical roller element (e.g., inclined roller, etc.) |
15 |
| 74/424.92 |
Parallel to shaft |
59 |
| 74/424.93 |
Perpendicular to shaft |
19 |
| 74/424.82 |
Recirculating rolling elements |
124 |
| 74/424.88 |
Interconnected or cooperating rollers or roller structure |
45 |
| 74/424.83 |
Plural independent recirculating element paths |
30 |
| 74/424.86 |
Return path geometry |
91 |
| 74/424.87 |
Rolling element deflector |
87 |
| 74/424.85 |
Roller return path in shaft |
11 |
| 74/424.84 |
Single thread common to plural paths |
8 |
| 74/424.75 |
Thread geometry |
96 |
| 74/424.77 |
Shaft thread is spirally wound wire |
30 |
| 74/424.76 |
Thread pitch varies over axial length |
8 |
| 74/424.73 |
Threadless |
14 |
| 74/424.7 |
Screw |
20 |
| 74/425 |
Worm |
503 |
| 74/427 |
Distribution of pressure |
41 |
| 74/426 |
Intermittent motion |
13 |
| 74/425.5 |
Variable speed |
10 |
| 74/420 |
Spur and bevel |
34 |
| 74/421R |
Spur |
162 |
| 74/421A |
Motor and gearing |
208 |
| 74/412TA |
Torque actuated safety devices |
48 |
| 74/405 |
Disconnecting means |
124 |
| 74/406 |
Displaceable elements |
35 |
| 74/390 |
Eccentric driving shaft and axle |
18 |
| 74/388R |
Follow-up mechanism |
36 |
| 74/388PS |
Power steering |
294 |
| 74/431 |
Gear and rotary bodies |
44 |
| 74/432 |
Laterally-spaced wheels |
30 |
| 74/433 |
Radially-spaced wheels |
7 |
| 74/433.5 |
With flywheel |
25 |
| 74/745 |
In series plural interchangeably locked nonplanetary units |
202 |
| 74/325 |
Interchangeably locked |
176 |
| 74/333 |
Combined gear and clutch |
271 |
| 74/334 |
Preselector |
14 |
| 74/335 |
Control mechanism |
1111 |
| | Automatic | |
| 74/336R |
Speed responsive |
373 |
| 74/336.5 |
Governor |
11 |
| 74/336B |
With belt gearing |
16 |
| 74/337 |
Torque responsive |
73 |
| 74/337.5 |
Cam operated |
239 |
| 74/329 |
Disconnectable counter shaft |
180 |
| 74/332 |
Internal-external gears |
20 |
| 74/352 |
Laterally slidable gears |
32 |
| 74/353 |
Rotary carriage |
17 |
| 74/354 |
Swinging carriage |
86 |
| | Longitudinally slidable | |
| 74/347 |
Multiple bevel gears |
11 |
| | Multiple spur gears | |
| 74/346 |
Fluid operated |
23 |
| 74/344 |
Progressive |
14 |
| 74/345 |
Direct clutch and drive |
3 |
| 74/342 |
Selective |
61 |
| 74/343 |
Direct clutch and drive |
15 |
| 74/341 |
With tumbler gear |
4 |
| 74/351 |
Pin or crown gears |
16 |
| 74/350 |
Single bevel gear |
4 |
| | Single spur gear | |
| 74/348 |
Tumbler and cone |
35 |
| 74/349 |
Multiple cone |
22 |
| 74/339 |
Meshing assisters |
409 |
| 74/340 |
Double clutch and interposed transmission |
127 |
| 74/330 |
Multiple concentric clutch shafts |
274 |
| 74/331 |
Plurality of counter shafts |
542 |
| 74/355 |
Single forward and reverse speeds |
43 |
| | Slidable keys or clutches | |
| 74/356 |
Alternative clutch shaft |
22 |
| | Multiple clutch shafts | |
| 74/360 |
Multiple forward and reverse |
118 |
| 74/357 |
Progressive |
31 |
| 74/358 |
Keys simultaneously slidable |
13 |
| 74/359 |
Selective |
157 |
| 74/361 |
Single forward and reverse |
26 |
| | Single clutch shaft | |
| | Progressive | |
| 74/362 |
Multiple key |
7 |
| 74/363 |
Spur |
39 |
| 74/365 |
Electrically operated |
33 |
| 74/364 |
Fluid operated |
33 |
| 74/366 |
Single key |
11 |
| 74/368 |
Clutch and ratchet |
12 |
| 74/369 |
Spur gears |
17 |
| 74/370 |
Intermediate clutch |
12 |
| 74/371 |
Sliding clutch carrier |
73 |
| 74/372 |
Sliding clutch operator |
56 |
| 74/373 |
Selective |
15 |
| 74/374 |
Multiple key |
3 |
| 74/375 |
Spur gears |
47 |
| 74/376 |
Single speed forward and reverse |
10 |
| 74/379 |
Bevel and idler gears |
4 |
| 74/378 |
Bevel gears |
55 |
| 74/377 |
Spur gears |
37 |
| 74/467 |
Lubrication |
360 |
| 74/468 |
Teeth |
49 |
| 74/650 |
Nonplanetary gearing differential type (e.g., gearless differentials) |
218 |
| 74/392 |
Parallel shafts, adjustable gear mesh |
23 |
| 74/380 |
Pivotally supported |
20 |
| 74/385 |
Bevel |
15 |
| 74/386 |
Wheel type |
2 |
| 74/387 |
Wringer type |
0 |
| 74/383 |
Screw |
3 |
| 74/384 |
Spur |
56 |
| 74/381 |
Windmill turntable |
6 |
| 74/664 |
Plural power paths from prime mover |
59 |
| 74/665R |
Plural power paths to and/or from gearing |
52 |
| 74/665Q |
Alternate drivers and driven |
20 |
| 74/670 |
Alternate input connections single hand crank |
6 |
| 74/718 |
Fluid drive divides or combines alternate paths |
36 |
| 74/721 |
Friction-type gearing |
16 |
| 74/665P |
Miscellaneous (plural power paths) |
29 |
| 74/720 |
One path includes fluid drive |
70 |
| 74/665L |
Plural drivers plural driven |
62 |
| 74/665M |
Bevel |
34 |
| 74/665N |
Spur |
38 |
| 74/665F |
Single drive plural driven |
97 |
| 74/665S |
Aligned |
8 |
| 74/665T |
Vehicle |
89 |
| 74/665K |
Concentric |
24 |
| 74/665H |
Nonparallel |
48 |
| 74/665G |
Parallel |
82 |
| 74/665GE |
Belt or chain |
100 |
| 74/665GB |
Bevel |
54 |
| 74/665GD |
Helical |
32 |
| 74/665GC |
Spur and bevel |
59 |
| 74/665GA |
Spur |
195 |
| 74/665A |
Single driven plural drives |
73 |
| 74/665D |
Aligned |
19 |
| 74/665C |
Nonparallel |
62 |
| 74/665E |
Parallel and aligned |
18 |
| 74/665B |
Parallel |
116 |
| 74/724 |
Worm-type gearing |
26 |
| 74/661 |
Plural prime movers selectively coupled to common output |
201 |
| 74/410 |
Pressure distributing |
186 |
| 74/810.1 |
Reversal of direction of power flow changes power transmission to alternate path |
114 |
| 74/810.2 |
Input and output exchange functions |
8 |
| 74/404 |
Reversing means |
40 |
| 74/404.5 |
Governor control |
2 |
| 74/434 |
Rotary bodies |
88 |
| 74/438 |
External and internal teeth |
25 |
| 74/436 |
Geneva |
79 |
| 74/437 |
Irregular teeth and bodies |
111 |
| 74/435 |
Mutilated |
107 |
| 74/439 |
Sectional |
52 |
| 74/440 |
Backlash take-up |
163 |
| 74/441 |
Screw and nut |
128 |
| 74/450 |
Diametrically split |
16 |
| 74/444 |
Differential disks |
8 |
| 74/445 |
Multiple disks |
28 |
| 74/448 |
Segmental rim |
34 |
| 74/446 |
Separate rim |
45 |
| 74/447 |
Detachable |
40 |
| 74/451 |
Shaft-admitting insert |
11 |
| 74/449 |
Sheet metal |
28 |
| 74/443 |
Sound deadening |
104 |
| 74/655 |
Single gearing unit includes fluid drive |
19 |
| 74/457 |
Teeth |
91 |
| 74/459.5 |
Bevel |
41 |
| 74/460 |
Spur |
67 |
| 74/462 |
Form |
233 |
| 74/464 |
Antifriction |
15 |
| 74/465 |
Roller |
44 |
| 74/466 |
Twisted |
6 |
| 74/461 |
Yieldable |
60 |
| 74/458 |
Worm and helical |
124 |
| 74/216.3 |
Toothed gear and recirculated unconnected elements |
22 |
| 74/393 |
Varying speed ratio |
84 |
| 74/411.5 |
With brake means for gearing |
249 |
| 74/730.1 |
With fluid drive |
117 |
| 74/731.1 |
Condition responsive control |
78 |
| 74/732.1 |
With one or more controllers for gearing, fluid drive, or clutch |
66 |
| 74/733.1 |
With interrelated controls |
86 |
| 74/411 |
Yieldability in gear trains |
288 |
| 74/5R |
Gyroscopes |
89 |
| 74/5.22 |
Combined |
60 |
| 74/5F |
Flexure hinges for gyros |
76 |
| 74/5.95 |
Flywheel structure |
12 |
| 74/5.4 |
Gyroscope control |
53 |
| 74/5.5 |
Damping |
49 |
| 74/5.41 |
Erecting |
15 |
| 74/5.45 |
By friction |
2 |
| 74/5.43 |
By jet |
13 |
| 74/5.46 |
By magnetic field |
64 |
| 74/5.47 |
By motor torque |
49 |
| 74/5.42 |
By plural diverse forces |
8 |
| 74/5.44 |
By weight |
12 |
| 74/5.9 |
Horizontal gyroscopes |
19 |
| 74/5.34 |
Multiple gyroscopes |
57 |
| 74/5.37 |
With rotor drives |
23 |
| 74/5.8 |
Vertical gyroscopes |
21 |
| 74/5.1 |
With caging or parking means |
31 |
| 74/5.14 |
And resetting means |
2 |
| 74/5.12 |
Rotor spin and cage release type |
22 |
| 74/5.2 |
With gimbal lock preventing means |
6 |
| 74/5.6R |
With pick off |
12 |
| 74/5.6C |
Conducting liquid |
3 |
| 74/5.6E |
Electrical and magnetic |
48 |
| 74/5.6D |
Electrical |
68 |
| 74/5.6A |
Optical |
25 |
| 74/5.6B |
Pneumatic |
7 |
| 74/5.7 |
With rotor drive |
98 |
| 74/DIG.1 |
Hydraulic control systems automatic automotive controls |
8 |
| 74/DIG.7 |
Indicators-sensors and meters |
39 |
| 74/DIG.4 |
Magnetic gearing |
33 |
| 74/DIG.8 |
Marine control-ship transmission control means |
11 |
| 74/111 |
Mechanical movements (intermittent grip type) |
10 |
| 74/144 |
Grip units and features |
11 |
| 74/145 |
Compound movement handle |
0 |
| 74/146 |
Reversible |
3 |
| 74/147 |
Transverse pivots |
1 |
| 74/162 |
Grip features |
8 |
| 74/165 |
Driven band and gripper |
4 |
| 74/166 |
Positive grip |
3 |
| 74/169 |
Driven ratchet-bar and power dog |
15 |
| 74/163 |
Driving band |
4 |
| 74/164 |
Clamping |
4 |
| 74/167 |
Driving ratchet-bar or rack |
1 |
| 74/168 |
Multiple acting |
2 |
| 74/156 |
Gripper mountings, lever |
5 |
| 74/158 |
Multiple acting |
3 |
| 74/159 |
Single ratchet or clutch |
1 |
| 74/157 |
Reversible |
12 |
| 74/160 |
Gripper mountings, slide |
16 |
| 74/161 |
Multiple acting |
5 |
| 74/148 |
Gripper releasing devices |
5 |
| 74/155 |
Holding pawl lifter |
15 |
| 74/149 |
Power pawl lifter |
7 |
| 74/150 |
Automatic |
2 |
| 74/151 |
Idle stroke |
4 |
| 74/152 |
Cooperating holding pawl |
3 |
| 74/153 |
Power stroke |
2 |
| 74/154 |
Cooperating holding pawl |
3 |
| 74/126 |
Oscillation or reciprocation to intermittent unidirectional motion |
52 |
| 74/141.5 |
Lever actuator |
38 |
| 74/142 |
Rotary driven element |
77 |
| 74/143 |
Multiple acting |
72 |
| 74/130 |
Rack actuator |
24 |
| 74/131 |
Multiple acting |
13 |
| 74/132 |
Inwardly facing racks |
10 |
| 74/133 |
Oscillating |
5 |
| 74/134 |
Multiple acting |
4 |
| 74/135 |
Inwardly facing racks |
1 |
| 74/127 |
Screw and nut devices |
32 |
| 74/128 |
Slide actuator |
119 |
| 74/129 |
Multiple acting |
50 |
| | Strap actuator | |
| 74/136 |
Multiple acting |
11 |
| 74/137 |
Spring or weight return |
7 |
| 74/138 |
Single acting |
11 |
| 74/139 |
Engine starter type |
3 |
| 74/140 |
Spring or weight return |
8 |
| 74/141 |
Spring or weight return |
13 |
| 74/112 |
Rotary to intermittent unidirectional motion |
56 |
| 74/113 |
Automatically controlled |
27 |
| 74/114 |
Speed |
6 |
| 74/125.5 |
Intermittently engaged clutch |
67 |
| 74/116 |
Rotary crank or eccentric drive |
42 |
| 74/117 |
Adjustable |
74 |
| 74/118 |
Lever transmitter |
5 |
| 74/119 |
Adjustable leverage |
23 |
| 74/120 |
Rack and pinion transmitter |
11 |
| 74/121 |
Adjustable throw |
8 |
| 74/122 |
Rotary cam drive |
21 |
| 74/123 |
Adjustable throw |
11 |
| 74/124 |
Radial cam |
8 |
| 74/125 |
Radial cam |
23 |
| | Mechanical movements | |
| 74/96 |
Oscillating to oscillating |
160 |
| 74/98 |
Geared connections |
55 |
| 74/97.1 |
Snap action |
66 |
| 74/97.2 |
Plate spring |
6 |
| 74/20 |
Oscillating to reciprocating and alternating rotary |
15 |
| 74/21 |
Oscillating to reciprocating and intermittent rotary |
11 |
| 74/88 |
Reciprocating or oscillating to intermittent unidirectional motion |
41 |
| 74/89 |
Reciprocating or oscillating to or from alternating rotary |
150 |
| 74/89.13 |
Including bevel gears |
38 |
| 74/89.2 |
Including flexible drive connector (e.g., belt, chain, strand, etc.) |
185 |
| 74/89.22 |
With pulley |
227 |
| 74/89.21 |
With sprocket wheel |
104 |
| 74/89.1 |
Including inertia device |
11 |
| 74/89.11 |
With rack and pinion |
24 |
| 74/89.12 |
Rectilinear rack |
24 |
| 74/89.23 |
Including screw and nut |
357 |
| 74/89.26 |
Alternate power path operable on failure of primary |
42 |
| 74/89.25 |
Auxiliary drive (e.g., fluid piston, etc.) for load |
46 |
| 74/89.42 |
Backlash |
113 |
| 74/89.33 |
Carriage surrounded, guided, and primarily supported by member other than screw (e.g., linear guide, etc.) |
106 |
| 74/89.32 |
Carriage surrounding, guided by, and primarily supported by member other than screw (e.g., linear guide, etc.) |
120 |
| 74/89.4 |
Contamination related |
63 |
| 74/89.41 |
Imperforate enclosure |
50 |
| 74/89.36 |
Deflection related |
97 |
| 74/89.38 |
Including means to selectively transmit power (e.g., clutch, etc.) |
133 |
| 74/89.37 |
Limit stop |
146 |
| 74/89.44 |
Lubrication |
63 |
| 74/89.45 |
Manually driven |
77 |
| 74/89.39 |
Means to selectively lock or retard screw or nut |
111 |
| 74/89.29 |
Plural inputs, single output |
43 |
| 74/89.3 |
Plural nuts driving shaft |
18 |
| 74/89.31 |
Shaft and nut driven |
27 |
| 74/89.35 |
Plural screws in series (e.g., telescoping, etc.) |
74 |
| 74/89.43 |
Pressurized fluid introduced between nut and screw |
15 |
| 74/89.34 |
Shaft moves through rotary drive means |
95 |
| 74/89.24 |
Shaft shorter than nut |
20 |
| 74/89.27 |
Single input split into two intermediate outputs that are subsequently superposed into a single output |
17 |
| 74/89.28 |
Single input, plural outputs |
62 |
| 74/89.16 |
Including spur gear |
16 |
| 74/89.17 |
With rack |
222 |
| 74/89.18 |
Curvilinear rack |
72 |
| 74/89.19 |
With biasing means |
26 |
| 74/89.14 |
Including worm |
206 |
| 74/99R |
Reciprocating to or from oscillating |
103 |
| 74/101 |
Compound lever and slide |
6 |
| 74/99A |
Inclined ramp |
88 |
| 74/102 |
Lever and slide |
42 |
| 74/107 |
Cam connections |
106 |
| 74/108 |
Flexible connections |
58 |
| 74/105 |
Link connections |
109 |
| 74/104 |
Slidable connections |
97 |
| 74/103 |
Straight line motions |
68 |
| 74/106 |
Toggle transmissions |
52 |
| 74/109 |
Rack and pinion |
99 |
| 74/100.1 |
Snap action |
52 |
| 74/100.2 |
Plate spring |
9 |
| 74/110 |
Reciprocating to reciprocating |
362 |
| 74/70 |
Rotary to alternating rotary |
36 |
| 74/83 |
Associated inertia devices |
5 |
| 74/75 |
Crank, pitman, and lever |
16 |
| 74/82 |
Flexible connector type |
6 |
| 74/71 |
Mangle connections |
2 |
| 74/74 |
Multilated gearing connections |
7 |
| 74/72 |
Shiftable driven gear |
2 |
| 74/73 |
Central teeth |
2 |
| 74/79 |
Oscillating rack connections |
3 |
| 74/81 |
Crank and pitman actuator |
3 |
| 74/80 |
Mangle actuated |
0 |
| 74/76 |
Reciprocating rack connections |
4 |
| 74/77 |
Crank and pitman actuator |
1 |
| 74/78 |
Simple crank actuator |
2 |
| 74/86 |
Rotary to gyratory |
65 |
| 74/87 |
Unbalanced weight |
156 |
| 74/84R |
Rotary to intermittent unidirectional motion |
147 |
| 74/84S |
Space machines |
31 |
| 74/25 |
Rotary to or from reciprocating or oscillating |
298 |
| 74/37 |
Belt or chain carried member |
75 |
| 74/54 |
Cam and lever |
95 |
| 74/55 |
Cam and slide |
153 |
| 74/56 |
Axial cam |
78 |
| 74/57 |
Grooved |
146 |
| 74/59 |
Alternately rotated screw |
7 |
| 74/58 |
Multiple screw |
21 |
| 74/60 |
Wabbler type |
290 |
| 74/53 |
Cam, lever, and slide |
104 |
| 74/47 |
Crank and lever |
26 |
| 74/48 |
Slidable connections |
50 |
| 74/51 |
Crank and multiple pitmans |
34 |
| 74/49 |
Crank and slide |
81 |
| 74/50 |
Slidable connections (e.g., scotch yoke) |
157 |
| 74/39 |
Crank, lazy-tong, and slide |
6 |
| 74/45 |
Crank, lever, and slide |
48 |
| 74/46 |
Rack connections |
5 |
| 74/38 |
Crank, lever, toggle, and slide |
11 |
| 74/42 |
Crank, pitman, and lever |
129 |
| 74/43 |
Multiple levers |
45 |
| 74/44 |
Crank, pitman, and slide |
152 |
| 74/40 |
Crank, pitman, lever, and slide |
46 |
| 74/41 |
Pump jack type |
75 |
| 74/26 |
Head motions |
17 |
| 74/36 |
Overcoming dead center |
11 |
| 74/52 |
Planetary gearing and slide |
95 |
| 74/29 |
Rack and pinion type |
80 |
| 74/33 |
Alternately rotated pinion |
23 |
| 74/34 |
Clutchable gears |
15 |
| 74/35 |
Bevel |
0 |
| 74/32 |
Segmental pinion |
31 |
| 74/31 |
Shiftable pinion |
21 |
| 74/30 |
Shifting rack |
55 |
| 74/27 |
Reciprocating carriage motions |
50 |
| 74/28 |
Phonograph type |
5 |
| 74/62 |
Trammel-pitman |
4 |
| 74/61 |
Unbalanced weights |
205 |
| 74/23 |
Rotary to reciprocating and alternating rotary |
25 |
| 74/24 |
Rotary to reciprocating and intermittent rotary |
12 |
| 74/22R |
Rotary to reciprocating and rotary |
83 |
| 74/22A |
Rotary to reciprocating or rotary |
34 |
| 74/63 |
Rotary to rotary |
147 |
| 74/66 |
Crank, lever, and crank |
14 |
| 74/67 |
Crank, pitman, and crank |
11 |
| 74/65 |
Crank, pitman, lever, and crank |
4 |
| 74/68 |
Cranks, link connected |
27 |
| 74/69 |
Cranks, slidable connections |
22 |
| 74/64 |
Inertia or centrifugal transmitters |
39 |
| 74/DIG.2 |
Miscellaneous control systems (e.g., ship propulsion, machine tools, etc.) |
2 |
| 74/1R |
Miscellaneous |
10 |
| 74/1SS |
High frequency vibratory devices |
17 |
| 74/17.8 |
Motion transfer through imperforate flexible seal |
15 |
| 74/DIG.3 |
Movable van or blade torque converters |
0 |
| 74/DIG.12 |
Novikov gears |
2 |
| 74/900 |
Particular shift pattern |
45 |
| 74/DIG.9 |
Perpetual motion gimmicks |
8 |
| 74/DIG.10 |
Polymer digest - plastic gears |
124 |
| 74/16 |
Power tables and stands |
28 |
| 74/11 |
Power take-off |
95 |
| 74/15.6 |
From shaft extension |
40 |
| 74/15.66 |
Change speed transmission shaft |
70 |
| 74/15.63 |
Prime mover shaft, e.g., crank shaft |
78 |
| 74/15.69 |
Vehicle propeller shaft |
16 |
| 74/15.8 |
Intermediate ends of power transmitting line |
31 |
| 74/15.82 |
Vehicle propulsion transmitting line |
15 |
| 74/15.84 |
Between prime mover shaft and transmission |
33 |
| 74/15.88 |
Between transmission and propeller shaft |
25 |
| 74/15.86 |
Drive from transmission gear |
61 |
| 74/15.2 |
Plural take-off shafts |
43 |
| 74/12 |
Speedometer |
25 |
| 74/13 |
Wheel take-off |
32 |
| 74/15 |
Supported pulley |
7 |
| 74/14 |
Wheel bed type |
6 |
| 74/15.4 |
With independent change speed gearing |
69 |
| 74/840 |
Rotary driven device adjustable during operation relative to its supporting structure |
10 |
| 74/842 |
Rack and pinion adjusting means |
7 |
| 74/841 |
Screw and nut adjusting means |
19 |
| 74/813R |
Rotary member or shaft indexing, e.g., tool or work turret |
129 |
| 74/813C |
Control means |
65 |
| 74/813L |
Locking means |
159 |
| 74/825 |
Plural operators or input drives |
17 |
| 74/816 |
Preselected indexed position |
43 |
| 74/817 |
Sequential |
23 |
| 74/820 |
Geneva or multilated gear drive |
53 |
| 74/819 |
Held by torque |
5 |
| 74/822 |
Interlocked rotator and brake |
41 |
| 74/823 |
Diverse-type brakes |
4 |
| 74/824 |
With axially acting friction brake |
6 |
| 74/818 |
Skip position |
8 |
| 74/821 |
Velocity control |
16 |
| 74/827 |
Single revolution input effects desired fractional output |
13 |
| 74/815 |
With locating point adjusting |
19 |
| 74/826 |
With means to axially shift shaft |
77 |
| 74/814 |
With safety device or drive disconnect |
20 |
| 74/10R |
Shaft operators (radio tuner type) |
38 |
| 74/10.6 |
Cam and follower |
19 |
| 74/10.8 |
Gear drive |
47 |
| 74/10.85 |
Worm or screw |
19 |
| 74/10.9 |
Lever and linkage drive |
8 |
| 74/10.45 |
Plural shafts |
10 |
| 74/10.5 |
Plural speed |
5 |
| 74/10.52 |
Planetary |
10 |
| 74/10.54 |
Separate operators |
25 |
| 74/10.1 |
Preselected position |
5 |
| 74/10.22 |
Digital dial type |
4 |
| 74/10.27 |
Plural operator |
24 |
| 74/10.29 |
Cam and follower |
8 |
| 74/10.31 |
Adjustable cam |
10 |
| 74/10.33 |
Sliding operator |
89 |
| 74/10.35 |
Adjustable follower |
12 |
| 74/10.37 |
Sliding operator |
15 |
| 74/10.39 |
Rack and pinion |
5 |
| 74/10.2 |
Rotatable stop and projectable abutment |
11 |
| 74/10.15 |
Step by step |
9 |
| 74/10.41 |
With detent or clicker |
42 |
| 74/10A |
Remote control |
16 |
| 74/10.7 |
Tensioned flexible operator |
21 |
| 74/DIG.6 |
Transistor-electronic gearing controls |
2 |
| 74/17 |
Washer and wringer |
2 |
