| Class Number |
Class Name |
No. of Patents |
| 192/12R |
Clutch and brake |
59 |
| 192/15 |
Automatic check and release |
48 |
| 192/16 |
Clutch and brake same member |
33 |
| 192/19 |
Crank control |
23 |
| 192/12D |
Electric |
49 |
| 192/12C |
Fluid operator |
119 |
| 192/12A |
Internal resistance |
22 |
| 192/12B |
One-way engaging |
59 |
| 192/12BA |
Coil spring type |
71 |
| 192/17R |
Peripheral brake |
75 |
| 192/17D |
Coil |
20 |
| 192/17C |
Electric |
7 |
| 192/17A |
Fluid operator |
16 |
| 192/14 |
Same member |
30 |
| 192/18R |
Sliding operation |
114 |
| 192/18B |
Electric and magnetic |
67 |
| 192/18A |
Fluid operator |
192 |
| 192/13R |
Vehicle type |
213 |
| 192/13A |
Clutch-released brake holder |
46 |
| 192/20 |
Clutch and gear |
70 |
| 192/21 |
Reversing |
69 |
| | Clutches (192/30) | |
| | Operators (192/82 r) | |
| 192/30R |
Clutches |
24 |
| 192/31 |
Automatic |
11 |
| 192/32 |
Manual control |
9 |
| 192/33R |
Definite-position release |
33 |
| 192/33C |
Coil |
20 |
| 192/40 |
Electric |
36 |
| 192/35 |
Pilot mechanism |
329 |
| 192/36 |
Brake band |
48 |
| 192/34 |
Shaft thrust |
28 |
| 192/37 |
Transversely moving |
14 |
| 192/38 |
Ball or roller |
128 |
| 192/39 |
Positive |
11 |
| 192/41R |
One-way engaging |
129 |
| 192/45 |
Ball or roller |
409 |
| 192/42 |
Free-engine type |
65 |
| 192/47 |
Manual control |
65 |
| 192/46 |
Positive |
257 |
| 192/43 |
Reversible |
50 |
| 192/44 |
Ball or roller |
174 |
| 192/43.1 |
Pivoted pawls |
130 |
| 192/43.2 |
Slidable pawls |
73 |
| 192/41A |
Sprags |
144 |
| 192/41S |
Spring |
114 |
| 192/45.2 |
Two-point gripper |
6 |
| 192/45.1 |
Wedging pawl or block |
240 |
| 192/65 |
Axially and transversely engaging |
30 |
| 192/66.1 |
Axially engaging |
10 |
| 192/66.2 |
Conical or frustoconical |
23 |
| 192/66.21 |
Plural radially spaced surfaces |
5 |
| 192/66.22 |
Spring engaged |
10 |
| 192/66.23 |
Spring released |
6 |
| 192/70.11 |
Interposed, mating clutch-elements |
27 |
| 192/70.14 |
Including surface characteristics of clutch-element |
153 |
| 192/70.15 |
Axially tapered mating surfaces |
21 |
| 192/70.3 |
With actuator lever pivoted on pressure plate or back plate to move clutch-element axially |
58 |
| 192/70.25 |
With adjustable means to move clutch-element axially (e.g., to compensate for wear) |
281 |
| 192/70.26 |
Including plural adjusting screws (e.g., to equalize pressure angularly) |
9 |
| 192/70.23 |
With cam or wedge contacting clutch-element or pressure plate for axial movement thereof |
57 |
| 192/70.24 |
By cam surface on bell-crank |
22 |
| 192/70.12 |
With means to cool or lubricate clutch parts |
287 |
| 192/70.22 |
With means to move clutch-element axially and latch into engaged or disengaged position |
8 |
| 192/70.21 |
With means to move multiple clutch-elements axially and sequentially |
18 |
| 192/70.13 |
With removable or replaceable or interchangeable clutch parts |
133 |
| 192/70.27 |
With spring means to move clutch-element axially |
246 |
| 192/70.29 |
And actuator lever pivoted on pressure plate |
37 |
| 192/70.28 |
To separate engaged clutch-elements |
131 |
| 192/70.16 |
With torque connection between clutch-element and its shaft |
55 |
| 192/70.19 |
Axially slidable connection |
70 |
| 192/70.2 |
Spline connection for multiple clutch-elements |
172 |
| 192/70.17 |
Resilient torque connection (e.g., for damping vibration) |
334 |
| 192/70.18 |
Including chordally disposed connection |
97 |
| 192/66.3 |
Planar radially extending |
3 |
| 192/66.31 |
Spring engaged |
2 |
| 192/66.32 |
Spring released |
3 |
| 192/69 |
Positive |
21 |
| 192/69.8 |
Axial-axial |
70 |
| 192/69.81 |
Sawtooth |
24 |
| 192/69.82 |
Square tooth |
34 |
| 192/69.83 |
With lead-in |
10 |
| 192/69.7 |
Axial-radial |
30 |
| 192/69.71 |
Axially extending projection engages aperture |
7 |
| 192/69.5 |
Ball or roller |
13 |
| 192/69.6 |
Cylindrical pin |
8 |
| 192/69.61 |
Axial pin on only one member |
17 |
| 192/69.62 |
Pin engages aperture in other member |
33 |
| 192/69.63 |
Radial pin |
14 |
| 192/69.3 |
Pilot pawl |
18 |
| 192/69.1 |
Pivoting positive clutch element |
47 |
| 192/69.2 |
Plunger disconnect |
9 |
| 192/69.9 |
Radial-radial |
63 |
| 192/69.91 |
Outward projection on movable member |
64 |
| 192/69.4 |
Wheel hub clutched to axle |
46 |
| 192/69.42 |
Electromagnetic |
18 |
| 192/69.41 |
Fluid pressure |
35 |
| 192/69.43 |
Manual |
31 |
| 192/70 |
Spreading |
36 |
| 192/57 |
Fluent material and mechanical |
82 |
| 192/58.1 |
Fluent material |
9 |
| 192/59 |
Axially movable piston |
24 |
| 192/58.2 |
Fluid |
16 |
| 192/58.9 |
Radial vane |
2 |
| 192/58.91 |
Vanes on inner member |
11 |
| 192/58.92 |
Spring-biased |
7 |
| 192/58.3 |
Vane clutch |
21 |
| 192/58.4 |
Viscous shear |
79 |
| 192/58.41 |
Multiple plate |
70 |
| 192/58.42 |
Variable gap or volume |
60 |
| 192/58.5 |
Separate reservoir |
17 |
| 192/58.6 |
Automatic regulation |
8 |
| 192/58.61 |
Magnetic or electric |
75 |
| 192/58.62 |
Temperature and speed |
30 |
| 192/58.63 |
Temperature |
38 |
| 192/58.65 |
Ambient and clutching medium |
7 |
| 192/58.66 |
Ambient and coolant |
5 |
| 192/58.68 |
Ambient |
14 |
| 192/58.681 |
Bi-metallic |
60 |
| 192/58.684 |
Mounting feature |
16 |
| 192/58.682 |
Spiral |
94 |
| 192/58.683 |
Resilient or adjustable mounting feature |
13 |
| 192/58.67 |
Clutching medium |
3 |
| 192/58.64 |
Coolant and clutching medium |
2 |
| 192/58.7 |
Pump-out feature |
89 |
| 192/58.8 |
Specific valve |
72 |
| 192/58.43 |
Variable gap or volume |
15 |
| 192/61 |
Gear-pump type |
37 |
| 192/60 |
Transversely movable piston |
33 |
| 192/63 |
Free-engine type |
1 |
| 192/82R |
Operators |
19 |
| 192/93R |
Cam |
96 |
| 192/93B |
Axially moving cam acting on pivoted lever |
14 |
| 192/93C |
Axially moving cam acting on transversely moving wedge or clutch member |
52 |
| 192/93A |
Axially thrusting cams rotatable about clutch axis |
237 |
| 192/96 |
Central pin |
72 |
| 192/97 |
Screw operated |
9 |
| 192/102 |
Check of driven member |
3 |
| 192/84.1 |
Electric or magnetic |
90 |
| 192/84.5 |
Air gap adjustment |
16 |
| 192/84.51 |
Automatic |
7 |
| 192/84.4 |
Electrostatic |
6 |
| 192/84.3 |
Including permanent magnet |
40 |
| 192/84.31 |
And electromagnet |
30 |
| 192/84.7 |
Mechanical force increasing means |
94 |
| 192/84.9 |
Operator for axially engaging elements |
24 |
| 192/84.96 |
Fixed concentric coil |
71 |
| 192/84.961 |
With pulley or gear |
193 |
| 192/84.91 |
Interposed friction elements |
60 |
| 192/84.93 |
Magnetic flux path spaced from engaging elements |
17 |
| 192/84.92 |
Positively engaging elements |
42 |
| 192/84.94 |
Specified torque transmitting spring |
31 |
| 192/84.941 |
Nonmetallic |
46 |
| 192/84.95 |
With slip rings |
9 |
| 192/84.951 |
With pulley or gear |
12 |
| 192/84.8 |
Operator for transversely engaging elements |
41 |
| 192/84.81 |
Coil spring |
57 |
| 192/84.2 |
Plural coils |
21 |
| 192/84.21 |
Plural armatures |
23 |
| 192/84.6 |
Rotary electric motor is clutch actuator |
144 |
| 192/85R |
Fluid pressure |
192 |
| 192/85AA |
Axially engaging clamping rotating motor and clutch |
420 |
| 192/85AB |
Axially engaging spreading rotating motor and clutch |
21 |
| 192/85A |
Axially engaging-rotating motor and clutch |
89 |
| 192/85F |
Centrifugal fluid clutches |
12 |
| 192/85C |
Clutch and nonrotating motor |
107 |
| 192/85CA |
Clutch and nonrotating motor |
239 |
| 192/86 |
Double acting |
65 |
| 192/88R |
Flexible motor |
2 |
| 192/88A |
Flexible fluid motor-axially engaged |
69 |
| 192/88B |
Radially engaged |
41 |
| 192/87.1 |
Multiple clutches |
34 |
| 192/87.14 |
Alternatively operative clutches |
31 |
| 192/87.15 |
Clutches coaxial with operators |
57 |
| 192/87.16 |
Common or interconnected operator(s) |
22 |
| 192/87.17 |
Operator between clutches |
37 |
| 192/87.18 |
With selective distributor for fluid pressure |
59 |
| 192/87.19 |
Having neutral position |
45 |
| 192/87.11 |
Having independent operators |
92 |
| 192/87.12 |
Responsive to rotational speed of clutch-element |
12 |
| 192/87.13 |
With selective distributor for fluid pressure |
98 |
| 192/85AT |
Transversely engaging rotating motor and clutch |
39 |
| 192/85V |
Vacuum clutches and operators |
43 |
| 192/100 |
Follow-up |
2 |
| 192/95 |
Handwheel |
85 |
| 192/99R |
Lever systems |
15 |
| 192/99A |
Levers mounted on axially engaging clutch |
68 |
| 192/99B |
Levers mounted on transversely engaging clutch |
8 |
| 192/99S |
Stationary levers |
164 |
| 192/83 |
Multiple for same clutch |
106 |
| 192/92 |
One-direction apply and release |
20 |
| 192/82P |
Rack and pinion operator |
18 |
| 192/101 |
Releasing |
70 |
| 192/94 |
Screw |
109 |
| 192/98 |
Shipper saddles |
355 |
| 192/103R |
Speed responsive |
156 |
| 192/103C |
Acceleration and inertia responsive |
56 |
| 192/103A |
Centrifugal operated, axially engaged |
43 |
| 192/103B |
Centrifugal operator transversely engaged |
88 |
| 192/105R |
Fixed-speed engagement |
10 |
| 192/105B |
Axially engaged with nonpivoted weights-weights movable radially or slidable |
39 |
| 192/105C |
Axially engaged with pivoted weights |
47 |
| 192/105A |
Centrifugal (fluid or powder) nonpivoted weights (radially movably or slidable) i.e., mercury clutch |
21 |
| 192/105F |
Fluid controls for centrifugal clutches |
16 |
| 192/105CS |
Single pair clutching elements axially engaged with pivoted weights |
0 |
| 192/105CF |
Transversely contracting |
14 |
| 192/105BB |
Transversely engaged positive with nonpivoted weights |
12 |
| 192/105BA |
Transversely engaged with nonpivoted weights |
83 |
| 192/105CE |
Transversely engaged-pivoted weights and clutching elements movable separately |
30 |
| 192/105CD |
Transversely expanding clutch with pivoted weights |
73 |
| 192/105CP |
Weights pivoted on axis parallel to clutch axis-axially engaged |
9 |
| 192/104R |
Fixed-speed release |
26 |
| 192/104F |
Fluid clutches and operators |
24 |
| 192/104C |
Transversely engaged-exterior |
44 |
| 192/104B |
Transversely engaged-interior |
21 |
| 192/103F |
Fluid operated |
264 |
| 192/103FA |
Fluid pressure engaged with centrifugal valve |
35 |
| 192/106R |
Release |
12 |
| 192/106F |
Devices to prevent fluid clutches from being operated by centrifugal forces acting on fluid |
92 |
| 192/89.2 |
Spring engaged |
16 |
| 192/89.22 |
Belleville disc spring |
53 |
| 192/89.25 |
Geometric configuration |
47 |
| 192/89.24 |
Pull-type |
101 |
| 192/89.23 |
Push-type |
192 |
| 192/89.21 |
Cam release |
65 |
| 192/89.27 |
Coil spring coaxial to clutch axis |
14 |
| 192/89.28 |
Transversely engaged |
1 |
| 192/90 |
Electric release |
119 |
| 192/91R |
Fluid release |
95 |
| 192/91A |
Motor concentric with clutch shaft |
259 |
| 192/89.26 |
Plural coil springs spaced from clutch axis |
18 |
| 192/89.29 |
Quick throw spring |
12 |
| 192/82T |
Temperature operator |
408 |
| 192/89.1 |
Weight operated |
28 |
| 192/62 |
Plow-lifting type |
1 |
| 192/48.1 |
Plural clutch-assemblage |
48 |
| 192/48.8 |
Associated with three or more shafts |
128 |
| 192/48.9 |
Alternatively operative assemblages |
64 |
| 192/48.91 |
Having common clutch-element support |
203 |
| 192/48.3 |
Diverse clutch-assemblages |
107 |
| 192/48.5 |
Including one clutch-assemblage having interdigitated clutch-elements |
69 |
| 192/48.6 |
And another clutch-assemblage having unirotationally engaging clutch elements |
55 |
| 192/48.4 |
Including three or more assemblages |
37 |
| 192/48.2 |
Including electrically actuated clutch assemblage |
136 |
| 192/48.92 |
Including unirotationally engaging clutch-elements |
231 |
| 192/49 |
Parallel vehicle wheels |
47 |
| 192/50 |
Free wheel |
63 |
| 192/51 |
Reversing |
101 |
| 192/48.7 |
With means to actuate or deactuate clutch-assemblages sequentially |
58 |
| 192/52.1 |
Progressive engagement |
20 |
| 192/53.1 |
Frictional and positive |
37 |
| 192/53.5 |
Axially projecting positive clutch |
7 |
| 192/53.51 |
Cylindrical pin |
5 |
| 192/53.4 |
Lock for positive clutch |
11 |
| 192/53.2 |
Magnetic or electromagnetic operated friction clutch |
14 |
| 192/53.6 |
Transversely moving positive clutch |
2 |
| 192/53.3 |
With blocker |
19 |
| 192/53.32 |
Interposed friction members |
49 |
| 192/53.35 |
Inward tooth or lug on friction member |
33 |
| 192/53.33 |
Member extending axially between friction surfaces |
13 |
| 192/53.331 |
Blocker on axially extending stepped pin |
32 |
| 192/53.332 |
Resilient detent pin |
26 |
| 192/53.34 |
Outward tooth or lug on friction member |
116 |
| 192/53.341 |
With thrust member |
27 |
| 192/53.343 |
Resilient expander ring |
20 |
| 192/53.342 |
Resilient thrust bar |
3 |
| 192/53.36 |
Radially movable blocker |
16 |
| 192/53.361 |
Detent acts as blocker |
14 |
| 192/53.362 |
Rocker lever actuates friction clutch |
5 |
| 192/53.363 |
Radially movable friction element acts as blocker |
1 |
| 192/53.364 |
Resilient friction element |
7 |
| 192/53.31 |
Self-energizing |
35 |
| 192/52.2 |
Surface area |
14 |
| 192/52.3 |
Yielding |
14 |
| 192/52.4 |
Variable force |
46 |
| 192/52.5 |
Initial engagement causes increase in applied force |
20 |
| 192/52.6 |
Yielding |
31 |
| 192/54.1 |
Torque responsive |
28 |
| 192/54.5 |
Cam operated |
68 |
| 192/54.52 |
Ball or roller type |
73 |
| 192/54.51 |
Screw operated |
11 |
| 192/54.3 |
Fluid operated |
36 |
| 192/54.2 |
Hub clutch |
37 |
| 192/54.4 |
Magnetic or electromagnetic |
19 |
| 192/56.1 |
Overload release |
112 |
| 192/56.6 |
Axially engaged |
24 |
| 192/56.61 |
Positive |
34 |
| 192/56.62 |
Ball or roller |
38 |
| 192/56.5 |
Clutch elements remain disengaged after overload corrected |
34 |
| 192/56.55 |
Axially engaged |
6 |
| 192/56.56 |
Positive |
36 |
| 192/56.57 |
Ball or roller |
43 |
| 192/56.51 |
Having separate latch to hold clutch elements disengaged |
6 |
| 192/56.52 |
Axially engaged |
2 |
| 192/56.53 |
Positive |
9 |
| 192/56.54 |
Ball or roller |
21 |
| 192/56.2 |
Coil |
41 |
| 192/56.3 |
Fluid-operated clutch |
22 |
| 192/56.31 |
Axially engaged |
21 |
| 192/56.32 |
Positive |
23 |
| 192/56.33 |
Ball or roller |
13 |
| 192/56.4 |
Magnetic or electromagnetic |
12 |
| 192/56.41 |
Axially engaged |
5 |
| 192/56.42 |
Positive |
7 |
| 192/56.43 |
Ball or roller |
3 |
| 192/55.2 |
With flexible shaft coupling permitting limited relative rotation |
13 |
| 192/55.3 |
Separate resilient member between clutch element and its shaft |
19 |
| 192/55.5 |
Coil spring coaxial with rotation axis |
2 |
| 192/55.51 |
Radially overlapping convolutions |
7 |
| 192/55.7 |
Coil spring with center line spaced from rotational axis |
3 |
| 192/55.4 |
Fluid damper |
21 |
| 192/55.6 |
Plural resilient members |
14 |
| 192/55.61 |
Coil springs with center line spaced from rotational axis |
71 |
| 192/55.62 |
Center line of coil springs parallel to rotational axis |
0 |
| 192/55.1 |
With overload release coupling |
79 |
| | Transversely engaged | |
| 192/79 |
Exterior |
28 |
| 192/80 |
Strap |
40 |
| 192/81R |
Multiple folds |
9 |
| 192/81C |
Coil |
123 |
| 192/72 |
Interior and exterior |
14 |
| 192/73 |
Opposing |
10 |
| 192/74 |
Interior |
14 |
| 192/75 |
Expanding |
50 |
| 192/76 |
Radial |
60 |
| 192/77 |
Split ring |
7 |
| 192/78 |
Cam operated |
12 |
| 192/71 |
Positive |
107 |
| 192/64 |
Velocipede free wheel |
134 |
| 192/30V |
Vibration dampers |
218 |
| 192/30W |
Warning, indicating, and signal devices |
193 |
| | Elements | |
| 192/112 |
Casings |
80 |
| 192/200 |
Clutch element resiliently carried on hub |
89 |
| 192/207 |
Circumferential resilience |
72 |
| 192/212 |
Coil spring |
230 |
| 192/214 |
Interposed friction element |
41 |
| 192/214.1 |
Biasing means |
142 |
| 192/213 |
Plural helical coil spring damping stages |
62 |
| 192/213.3 |
Interposed friction element |
26 |
| 192/213.31 |
Biasing means |
90 |
| 192/213.1 |
Plural axially spaced springs |
49 |
| 192/213.11 |
Interposed friction element |
17 |
| 192/213.12 |
Biasing means |
70 |
| 192/213.2 |
Plural radially spaced springs in a common radial plane |
60 |
| 192/213.21 |
Interposed friction element |
30 |
| 192/213.22 |
Biasing means |
118 |
| 192/209 |
Nonmetallic |
79 |
| 192/211 |
And coil spring |
52 |
| 192/210 |
Interposed friction element |
8 |
| 192/210.1 |
Biasing means |
25 |
| 192/208 |
With fluid damping |
128 |
| 192/203 |
Coil spring detail |
24 |
| 192/202 |
Manually adjustable |
7 |
| 192/206 |
Relatively axially movable hub sections |
10 |
| 192/205 |
Separate seat detail |
108 |
| 192/204 |
Specified bushing |
61 |
| 192/201 |
Speed-responsive |
71 |
| 192/107R |
Engaging surfaces |
333 |
| 192/107C |
Clutch plate axially compressible |
120 |
| 192/107M |
Material |
343 |
| 192/108 |
Positive |
115 |
| 192/107T |
Transversely engaging |
63 |
| 192/114R |
Locks |
164 |
| 192/114T |
Interlocking clutch teeth or splines |
38 |
| 192/113.1 |
Lubricating, insulating, or cooling |
45 |
| 192/113.2 |
Air cooling |
18 |
| 192/113.23 |
Air directing structure |
83 |
| 192/113.26 |
Clutch plate |
14 |
| 192/113.24 |
Rotating cover |
14 |
| 192/113.25 |
Spring |
6 |
| 192/113.22 |
Grooved surfaces |
8 |
| 192/113.21 |
Heat radiating structure |
28 |
| 192/113.3 |
Liquid cooled or lubricated clutch surfaces |
30 |
| 192/113.31 |
Entire coolant path is spaced from clutch surfaces |
17 |
| 192/113.34 |
Lubricant or coolant between engaging surfaces |
161 |
| 192/113.36 |
|