| Class Number |
Class Name |
No. of Patents |
| 254/901 |
Antifriction means for cable pulling drum |
14 |
| 254/264 |
Apparatus for hauling or hoisting load, including driven device which contacts and pulls on cable |
72 |
| 254/265 |
Device includes driven, flexible, cable contacting belt |
14 |
| 254/266 |
Device includes rotatably driven, cable contacting drum |
128 |
| 254/365 |
Drive includes clutch mechanism having coaxial, rotatable, relatively shiftable axially, power transmitting components |
27 |
| 254/368 |
Components having frictional contact surface |
22 |
| 254/367 |
Fluid operated actuator shifts component |
12 |
| 254/366 |
With frictional brake assembly mechanically linked to, and operationally influenced by, clutch |
18 |
| 254/370 |
Drive includes clutch mechanism having rotatable, radially shiftable, power transmitting component |
7 |
| 254/363 |
Drive includes contacting friction wheels having noncollinear axes of rotation |
4 |
| 254/362 |
Drive includes electric motor |
130 |
| 254/360 |
Drive includes expansible, noncombustible, fluid motor (e.g., air, steam) |
49 |
| 254/342 |
Drive includes intermeshing gears |
95 |
| 254/346 |
Drive also includes clutch mechanism having coaxial, rotatable relatively shiftable axially, power transmitting components |
46 |
| 254/350 |
Components having frictional contact surface |
31 |
| 254/351 |
Truncated cone shaped |
6 |
| 254/349 |
Fluid operated actuator shifts component |
11 |
| 254/348 |
With additional axially shiftable clutch mechanism mechanically linked to, and operationally influenced by, first clutch |
9 |
| 254/347 |
With frictional brake assembly mechanically linked to, and operationally influenced by, clutch |
20 |
| 254/355 |
Drive also includes clutch mechanism having rotatable, radially shiftable, power transmitting component |
9 |
| 254/352 |
Drive also includes ratchet wheel and driving pawl |
45 |
| 254/353 |
Plural driving pawls |
16 |
| 254/354 |
Attached to rotatable disk or shaft |
14 |
| 254/344 |
Epicyclic gear arrangement including sun, intermediate (e.g., planet), and ring gears |
93 |
| 254/345 |
Shiftable into and out of intermeshing engagement |
40 |
| 254/356 |
With means for preventing or retarding rotation of drum in at least one direction |
37 |
| 254/357 |
Ratchet wheel or formation and locking pawl |
38 |
| 254/343 |
Worm and worm wheel |
31 |
| 254/361 |
Drive includes noncompressible fluid motor or pump |
89 |
| 254/341 |
Drive includes rack and either pinion or pinion segment |
2 |
| 254/369 |
Drive includes ratchet wheel and interengaging driving pawl |
48 |
| 254/358 |
Drive includes sprocket wheel and chain |
61 |
| 254/359 |
Either drive or cable return means includes power transmitting pulley and rope or belt |
10 |
| 254/364 |
Either drive or cable return means includes spring |
27 |
| 254/270 |
Having cable contacted, supported, or attached mechanism for generating control impulse to retarding means or drive |
52 |
| 254/271 |
With cable contacting component, on or adjacent to circumference of drum, shifted by segment of wound cable |
21 |
| 254/272 |
With cable deflecting or path defining component shifted by cable when tension varies |
21 |
| 254/273 |
Electricity or fluid utilized in transmittal of impulse |
39 |
| 254/268 |
Having mechanism, actuated by changes in position of drum relative to another component of device, for generating control impulse to rotation retarding means or drive |
12 |
| 254/276 |
Having mechanism, linked to drum and actuated by number of drum rotations, for generating control impulse to rotation retarding means or drive |
46 |
| 254/274 |
Having mechanism, linked to drum or rotating element of drive, for generating control impulse to rotation retarding means or motor when torque on drum varies |
29 |
| 254/275 |
Electricity utilized in transmittal or impulse |
35 |
| 254/374 |
Having noncircular or varying diameter, cable contacting perimeter |
41 |
| 254/339 |
Having plural, distinct drive sources or discrete drive trains |
12 |
| 254/340 |
Including two or more motors |
15 |
| 254/333 |
Having pressure element spaced from drum to confine cable thereagainst |
84 |
| 254/334 |
Having rotatable, cable guiding, pulley wheel element spaced from drum |
78 |
| 254/335 |
Element repositionable relative to drum |
44 |
| 254/336 |
Plural elements |
38 |
| 254/337 |
Cable supported |
36 |
| 254/338 |
Plural elements |
56 |
| 254/267 |
Having rotational speed governor for generating control impulse to rotation retarding means or drive |
52 |
| 254/269 |
Having stationary mechanism, actuated by load or other obstruction on and traveling with cable, for generating control impulse to rotation retarding means or drive |
37 |
| 254/375 |
Including means for preventing or retarding rotation of drum in at least one direction |
72 |
| 254/377 |
Fluid resistance brake |
38 |
| 254/378 |
Frictional brake assembly having rotating, wheel structure and shiftable shoe or band |
64 |
| 254/379 |
Having fluid actuator for shifting shoe or band |
40 |
| 254/376 |
Ratchet wheel or formation and locking pawl |
73 |
| 254/382 |
Including static receiver spaced from drum for storing pulled cable |
36 |
| 254/278 |
Plural drums or drum with plural distinct sections |
70 |
| 254/293 |
Each drum having plural, distinct drive sources or discrete drive trains |
8 |
| 254/294 |
Having common drive source or mechanically interlinked drive trains |
24 |
| 254/317 |
Including clutch mechanism in drive having coaxial, rotatable, relatively shiftable axially, power transmitting components |
7 |
| 254/319 |
Components having frictional contact surface |
2 |
| 254/318 |
With frictional brake assembly mechanically linked to, and operationally influenced by, clutch |
1 |
| 254/313 |
Including contacting friction wheels having noncollinear axes of rotation in drive |
4 |
| 254/316 |
Including electric motor in drive |
10 |
| 254/314 |
Including expansible, noncombustible, fluid motor in drive (e.g., air, steam) |
5 |
| 254/295 |
Including intermeshing gears in drive |
19 |
| 254/299 |
Also including clutch mechanism having coaxial, rotatable, relatively shiftable axially, power transmitting components |
7 |
| 254/304 |
Components having frictional contact surface |
2 |
| 254/305 |
Truncated cone shaped |
0 |
| 254/303 |
Fluid operated actuator shifts component |
11 |
| 254/301 |
With additional axially shiftable clutch mechanism mechanically linked to, and operationally influenced by, first clutch |
1 |
| 254/302 |
Alternately transmitting power |
4 |
| 254/300 |
With frictional brake assembly mechanically linked to, and operationally influenced by, clutch |
3 |
| 254/309 |
Also including clutch mechanism having rotatable, radially shiftable, power transmitting component |
6 |
| 254/306 |
Also including ratchet wheel and driving pawl |
0 |
| 254/307 |
Plural driving pawls |
1 |
| 254/308 |
Attached to rotatable disk or shaft |
1 |
| 254/297 |
Epicyclic gear train having sun, intermediate (e.g., planet), and ring gears |
17 |
| 254/298 |
Shiftable into and out of intermeshing engagement |
6 |
| 254/310 |
With means for preventing or retarding rotation of one or more drums in at least one direction |
14 |
| 254/296 |
Worm and worm wheel |
6 |
| 254/321 |
Including means for preventing or retarding rotation of one or more drums in at least one direction |
11 |
| 254/322 |
Frictional brake assembly having rotating, wheel structure and shiftable shoe or band |
5 |
| 254/315 |
Including noncompressible fluid motor or pump in drive |
13 |
| 254/312 |
Including power transmitting pulley and rope or belt either in drive or in cable return means |
10 |
| 254/320 |
Including ratchet wheel and interengaging driving pawl in drive |
2 |
| 254/311 |
Including sprocket wheel and chain in drive |
12 |
| 254/283 |
Having rotatable, cable guiding, pulley wheel element spaced from drums |
19 |
| 254/284 |
Element repositionable relative to at least one of the drums |
13 |
| 254/285 |
Plural elements |
51 |
| 254/286 |
Plural elements |
31 |
| 254/287 |
Juxtaposed to cable at single locus |
10 |
| 254/290 |
Plural, distinct, drive motors |
14 |
| 254/292 |
Electric |
16 |
| 254/291 |
Noncompressible fluid |
27 |
| 254/288 |
With means affixing at least one drum to supporting base and allowing movement between drum and base |
14 |
| 254/289 |
Movement engages or disengages drum from drive |
2 |
| 254/279 |
With vehicle for supporting at least one drum |
20 |
| 254/282 |
Drive for at least one drum includes motor of vehicle |
5 |
| 254/280 |
Having rotatable, cable guiding, pulley wheel element spaced from drums |
18 |
| 254/281 |
Element repositionable relative to at least one of the drums |
18 |
| 254/383 |
With cable guard structure extending partly around and closely adjacent to drum |
29 |
| 254/277 |
With fluid or resilient shock absorbing or tension maintaining means attached to, supported by, or supporting guiding structure for cable |
79 |
| 254/329 |
With means affixing drum to supporting base and allowing relative movement therebetween |
28 |
| 254/332 |
Including pivotal, rotational, or swivel connection between drum and base |
50 |
| 254/330 |
Movement engages or disengages drum from drive |
3 |
| 254/331 |
Movement occurs along line collinear with rotational axis of drum during pulling of cable |
27 |
| 254/371 |
With means on circumference of drum, or relatively movable drum components, for grasping cable |
89 |
| 254/373 |
With pickup or pushing means on circumference of drum for cooperating with structure attached to, or formed on, end of cable |
1 |
| 254/380 |
With portable housing for drum and hand manipulated means for removably fastening housing to supporting base or load |
53 |
| 254/372 |
With projections or apertures on drum for engagement with complementary structural formations on cable |
87 |
| 254/381 |
With structure (e.g., sweep, tree, yoke) adapting drum to be powered by draft animal |
0 |
| 254/323 |
With vehicle for supporting drum |
178 |
| 254/328 |
Drive for drum includes motor of vehicle |
19 |
| 254/324 |
Having arch-shaped body for straddling load |
15 |
| 254/325 |
Having rotatable, cable guiding, pulley wheel element spaced from drum |
49 |
| 254/326 |
Element repositionable relative to drum |
47 |
| 254/327 |
Plural elements |
31 |
| 254/384 |
Including hand held and operated lever with plural cable engaging means movably attached thereto for alternately contacting and pulling on cable |
16 |
| 254/385 |
With rotatable, cable contacting, pulley wheel element attached to and reciprocated by driving component of device |
22 |
| 254/386 |
Element reciprocated by expansible fluid motor |
48 |
| 254/DIG.16 |
Automobile transmission jack |
21 |
| 254/32 |
Axle-lubricating jack |
1 |
| 254/DIG.11 |
Cable drum feed for presser |
0 |
| 254/900 |
Cable pulling drum having wave motion responsive actuator for operating drive or rotation retarding means |
44 |
| 254/33 |
Car journal box lifting |
3 |
| 254/34 |
Suspended lifter |
1 |
| 254/35 |
Car-pusher type |
7 |
| 254/36 |
Pinch bar |
0 |
| 254/38 |
Pivoted wheel engaging member |
1 |
| 254/37 |
Rail clamping |
1 |
| 254/389 |
Device or member for contacting and guiding moving cable |
80 |
| 254/417 |
Having cable contacting portion revolving around another component of device |
4 |
| 254/390 |
Including rotatable, cable contacting, pulley wheel element |
66 |
| 254/393 |
Plural elements or element with plural cable contacting regions |
49 |
| 254/394 |
At least two of the elements having noncollinear axes of rotation |
64 |
| 254/400 |
Having axes perpendicular or skewed |
16 |
| 254/398 |
Having one element repositionable relative to another element |
20 |
| 254/399 |
Repositionable element supported by cable (e.g., traveling block) |
59 |
| 254/395 |
Juxtaposed to cable at single locus |
19 |
| 254/396 |
Having juxtaposed elements repositionable relative to one another |
9 |
| 254/397 |
Including additional element spaced along cable path |
11 |
| 254/401 |
With portable block for elements and hand manipulated means for removably fastening block to support base or load |
8 |
| 254/402 |
Having portion of block repositionable for insertion or removal of cable or for exposure of elements |
13 |
| 254/404 |
Including antifriction means for elements |
5 |
| 254/403 |
With guard or guide for maintaining cable on elements |
20 |
| 254/416 |
With antifriction means for element |
23 |
| 254/405 |
With block for element and portion thereof repositionable for insertion or removal of cable or for exposure of element |
29 |
| 254/406 |
Portion revolves about axis of rotation of element |
14 |
| 254/408 |
With block for element having stationary portion adapted to coact with element to grip cable |
6 |
| 254/392 |
With fluid, shock absorbing or tension restoring mechanism connected thereto |
33 |
| 254/413 |
With means for affixing element to support base and allowing relative movement therebetween |
20 |
| 254/414 |
Including elastic member |
11 |
| 254/415 |
Including pivotal, rotational, or swivel connection |
66 |
| 254/407 |
With means, or element structure, enabling object or obstruction on cable to bypass or travel over element |
6 |
| 254/391 |
With mechanism for retarding or preventing cable movement or element rotation |
85 |
| 254/409 |
With portable block for element and hand manipulated means for removably fastening block to support or load |
23 |
| 254/410 |
Fastening means remotely operable or breakaway type |
3 |
| 254/412 |
Including antifriction means for element |
7 |
| 254/411 |
With guard or guide for maintaining cable on element |
29 |
| 254/39 |
Door brace |
2 |
| 254/902 |
Either drum, pulley wheel element, or cable constructed from specific material |
17 |
| 254/DIG.2 |
Electric screw jacks |
31 |
| 254/DIG.6 |
Flexible rack and pinion |
6 |
| 254/11 |
Floor jack type |
29 |
| 254/12 |
Rack and pinion or segment |
4 |
| 254/13 |
Screw |
11 |
| 254/17 |
Single throw lever |
26 |
| 254/15 |
Single-throw lever and bar |
14 |
| 254/16 |
Sliding bar |
6 |
| 254/14 |
Step-by-step traveling member |
1 |
| 254/93R |
Fluid pressure |
233 |
| 254/93A |
Combined with screw |
5 |
| 254/93HP |
Inflatable portable bags |
127 |
| 254/93H |
Portable automobile jacks |
114 |
| 254/93L |
Service station lifts |
22 |
| 254/93VA |
Vehicle attached |
18 |
| 254/2R |
Hoisting truck |
119 |
| 254/4R |
Cable hoist |
46 |
| 254/4C |
Platform type |
13 |
| 254/4B |
Service station type |
12 |
| 254/5R |
Inclined plane or wedge |
3 |
| 254/5C |
Platform type |
5 |
| 254/5B |
Service station type |
0 |
| 254/2C |
Platform type |
24 |
| 254/6R |
Rack and pinion or segment |
4 |
| 254/6C |
Platform type |
3 |
| 254/6B |
Service station type |
0 |
| 254/7R |
Screw |
34 |
| 254/7C |
Platform type |
5 |
| 254/7B |
Service station type |
20 |
| 254/2B |
Service station type |
66 |
| 254/8R |
Single throw lever |
80 |
| 254/10R |
Parallelogram bars |
42 |
| 254/10C |
Platform type |
33 |
| 254/10B |
Service station type |
18 |
| 254/8C |
Platform type |
14 |
| 254/8B |
Service station type |
176 |
| 254/9R |
Toggle |
12 |
| 254/9C |
Platform type |
43 |
| 254/9B |
Service station type |
4 |
| 254/3R |
Tilting load support |
23 |
| 254/3C |
Platform type |
9 |
| 254/3B |
Service station type |
10 |
| 254/88 |
Inclined plane lifter |
131 |
| 254/DIG.1 |
Jack bases |
62 |
| 254/DIG.3 |
Jack handles |
39 |
| 254/387 |
Load engaging member and power transmitting cable for shifting member relative to structure which contacts and guides member |
42 |
| 254/DIG.5 |
Means for depressing foot brake when adjusting same |
15 |
| 254/388 |
Means supported by, and maintaining relative spacing between, longitudinal runs of an endless load moving cable |
17 |
| 254/10.5 |
Metallic spring stretcher and/or compressor (e.g., leaf, helical, or coil springs) |
80 |
| 254/134.3R |
Method or apparatus for placement of conductive wire |
276 |
| 254/134.4 |
By fluid pressure differential in conduit (e.g., parachute sucked through conduit) |
162 |
| 254/134.3CL |
Cable lashing |
16 |
| 254/134.3FT |
Conduit snakes |
298 |
| 254/134.7 |
Sectional members for fishing |
3 |
| 254/134.3SC |
Submarine cable |
24 |
| 254/134.5 |
Tractor for pulling wire (e.g., battery-powered) |
17 |
| 254/134.6 |
Step-by-step type (e.g., by camming against messenger) |
14 |
| 254/134.3PA |
Utility pole guide |
55 |
| 254/1 |
Miscellaneous |
101 |
| 254/DIG.15 |
Motor clamps |
0 |
| 254/89R |
Multiple lifters (e.g., vehicle lifts) |
98 |
| 254/89H |
Fluid pressure |
160 |
| 254/92 |
Screw |
16 |
| 254/91 |
Swinging platform |
5 |
| 254/90 |
Track-straddling platform |
28 |
| 254/18 |
Nail extractor type |
49 |
| 254/19 |
Hammer and anvil |
5 |
| 254/20 |
Screw |
2 |
| 254/21 |
Single throw lever |
36 |
| 254/25 |
Claw bar |
86 |
| 254/26R |
Hammer |
46 |
| 254/26E |
Extensible fulcrum |
12 |
| 254/27 |
Pivoted fulcrum member |
8 |
| 254/22 |
Lever and pivoted jaw grip |
18 |
| 254/23 |
Multiple jaw grip |
4 |
| 254/24 |
Cam or wedge actuated |
6 |
| 254/DIG.4 |
Object engaging heads for jacks |
49 |
| 254/DIG.12 |
Pawls |
4 |
| 254/29R |
Pipe or rod jack |
139 |
| 254/30 |
Lifter |
100 |
| 254/31 |
Reciprocating clutch |
6 |
| 254/29A |
Tie rod tensioner |
91 |
| 254/199 |
Portable implements or apparatus for tensioning flexible material or for extracting stumps or poles |
36 |
| 254/262 |
Including adjustable gripping device for attaching implement or apparatus to rigid, in situ structure |
16 |
| 254/243 |
Including either force transmitting, hand held and operated lever or animal powered sweep |
34 |
| 254/246 |
Having linearly shifting, guided component attached thereto |
6 |
| 254/247 |
With ratchet formation and locking pawl for maintaining relative positioning |
8 |
| 254/244 |
Implement or apparatus includes bar component having plural holes and removable cooperating pins selectively engagable by lever |
2 |
| 254/248 |
With additional, hand held lever pivotally attached thereto for applying pulling force in opposite direction |
3 |
| 254/249 |
Having position locking means between levers |
6 |
| 254/250 |
With camming means thereon, and pressure element spaced therefrom to confine material, or force transmitting cable, thereagainst |
10 |
| 254/251 |
With material, article, or force transmitting cable clamping means attached to and shifting with lever |
10 |
| 254/252 |
Including cooperating, relatively stationary means for intermittently locking material or cable |
7 |
| 254/253 |
Plural clamping means |
2 |
| 254/254 |
Alternately clamping and pulling on material or cable |
15 |
| 254/255 |
Attached by flexible connector |
3 |
| 254/256 |
With material, article, or force transmitting cable engaging means movably attached to and shifting with lever |
13 |
| 254/257 |
Including cooperating, relatively stationary means for intermittently locking material or cable |
5 |
| 254/258 |
Plural, movably attached engaging means |
6 |
| 254/259 |
Alternately engaging and pulling on material or cable |
4 |
| 254/260 |
Attached by flexible connector |
2 |
| 254/245 |
With means attached thereto for sequentially gripping, shifting, and releasing bar component |
7 |
| 254/261 |
With means pivotally connected to lever and adapted to engage rigid, in situ structure |
3 |
| 254/228 |
Including expansible chamber fluid motor drive |
38 |
| 254/263 |
Including ground engaging means for supporting implement or apparatus in plural, vertically spaced positions |
6 |
| 254/241 |
Including intermeshing gear drive |
2 |
| 254/237 |
Including ratchet bar and driving pawl drive |
12 |
| 254/238 |
Having plural, disparate, driving pawls |
5 |
| 254/239 |
Plural ratchet formations |
4 |
| 254/240 |
Facing opposite directions |
3 |
| 254/242 |
Including rotatable, pulley wheel element and cable |
6 |
| 254/213 |
Including rotatably driven drum for engaging either material or force transmitting cable |
28 |
| 254/219 |
Having intermeshing gears for driving drum |
5 |
| 254/220 |
Worm and worm wheel |
4 |
| 254/216 |
Having pressure element spaced therefrom to confine material or cable thereagainst |
14 |
| 254/217 |
Having ratchet wheel and interengaging pawl for driving drum |
26 |
| 254/218 |
Pawl pivots about fixed point on drive handle |
42 |
| 254/214 |
Plural drums or drum with plural distinct sections |
7 |
| 254/215 |
Juxtaposed to material or cable at single locus |
3 |
| 254/224 |
With adjustable gripping device for attaching drum to rigid, in situ structure |
5 |
| 254/227 |
With ground-engaging support means |
11 |
| 254/225 |
With material or cable contacting infeed guide |
5 |
| 254/226 |
Rotatable pulley wheel element |
5 |
| 254/222 |
With means for preventing or retarding rotation in at least one direction |
10 |
| 254/223 |
Ratchet wheel or formation and pawl |
50 |
| 254/221 |
With projections or apertures on drum for engagement with complementary formations on material or cable |
12 |
| 254/231 |
Including screw drive |
33 |
| 254/236 |
Having intermeshing gears for driving screw |
6 |
| 254/234 |
Having plural, oppositely shifting, threaded riders |
13 |
| 254/235 |
Having ratchet wheel and pawl for driving screw |
4 |
| 254/232 |
Plural screws |
5 |
| 254/233 |
Having plural, oppositely shifting, threaded riders |
7 |
| 254/229 |
Including worm and worm wheel gear drive |
2 |
| 254/230 |
Includng rack and pinion, or pinion segment, drive |
4 |
| 254/200 |
Material comprises resilient floor covering (e.g., carpet) |
45 |
| 254/203 |
Including driven, rotatable, floor covering engaging and pulling drum |
8 |
| 254/201 |
Including fluid or spring driven cylinder |
16 |
| 254/202 |
Including force transmitting cable and driven, rotatable, cable engaging drum |
11 |
| 254/209 |
Including force transmitting, hand held and operated, lever |
28 |
| 254/212 |
Having linearly shifting, guided component attached thereto |
23 |
| 254/211 |
With floor covering clamping means attached to lever |
6 |
| 254/210 |
With means attached thereto for sequentially, gripping, shifting, and releasing bar component |
6 |
| 254/205 |
Including rack and pinion, or pinion segment, drive |
2 |
| 254/206 |
Including ratchet bar and driving pawl drive |
2 |
| 254/207 |
Having plural, disparate, driving pawls |
1 |
| 254/208 |
Including rotatable, pulley wheel element and cable |
2 |
| 254/204 |
Including screw drive |
2 |
| 254/40 |
Printer's quoins |
4 |
| 254/41 |
Screw |
0 |
| 254/42 |
Wedge |
2 |
| 254/DIG.7 |
Printers form trucks |
0 |
| 254/95 |
Rack and pinion |
71 |
| 254/97 |
Geared |
29 |
| 254/96 |
Screw pinion |
2 |
| 254/43 |
Rail or tie shafter |
17 |
| 254/44 |
Single throw lever |
3 |
| 254/50.1 |
Resilient tire-casing spreaders |
8 |
| 254/50.3 |
Fluid pressure operated |
8 |
| 254/50.2 |
Spreader and tire casing relatively movable or rotatably mounted |
9 |
| 254/50.4 |
With tire casing support |
5 |
| 254/94 |
Rocking supports |
41 |
| 254/DIG.14 |
Rope attachment |
17 |
| 254/DIG.8 |
Screw jacks, plural section nut |
0 |
| 254/98 |
Screw |
86 |
| 254/99 |
Derrick type |
0 |
| 254/103 |
Geared |
64 |
| 254/100 |
Special engaging feature |
89 |
| 254/101 |
Rocking head or base |
19 |
| 254/102 |
Telescoping screws |
35 |
| 254/113 |
Single throw lever and bar |
16 |
| 254/119 |
Adjustable |
11 |
| 254/114 |
Sliding bar |
11 |
| 254/116 |
Adjustable |
6 |
| 254/117 |
Lateral shoe |
1 |
| 254/118 |
Rack bar |
1 |
| 254/115 |
Rack bar and segment |
1 |
| 254/120 |
Single throw lever |
28 |
| 254/129 |
Adjustable |
38 |
| 254/130 |
Multiple fulcrums |
19 |
| 254/122 |
Lazy tongs |
178 |
| 254/123 |
Lever-supported thrust bar |
6 |
| 254/124 |
Mechanically actuated |
145 |
| 254/127 |
Cable |
11 |
| 254/128 |
Block and tackle |
2 |
| 254/126 |
Screw |
151 |
| 254/121 |
Rail or tie lifter |
6 |
| 254/131 |
Special engaging feature |
315 |
| 254/131.5 |
Fulcrumed fork or shovel |
51 |
| 254/132 |
Root puller type |
74 |
| 254/133R |
Special engaging elements |
169 |
| 254/134 |
Adjustable |
161 |
| 254/133A |
Sharing props (nonhydraulic) |
20 |
| 254/28 |
Staple puller |
103 |
| 254/105 |
Step-by-step traveling bar |
46 |
| 254/106 |
Clutch actuated |
59 |
| 254/107 |
Multiple driving clutches |
10 |
| 254/108 |
Pawl actuated |
54 |
| 254/109 |
Multiple driving pawls |
3 |
| 254/110 |
Reversing |
4 |
| 254/111 |
Reversing |
11 |
| 254/112 |
Rack and lever |
12 |
| 254/28.5 |
Thill-coupling jack |
0 |
| 254/DIG.10 |
Tire or rim expanding or contracting devices |
3 |
| 254/84 |
Traversing jack |
16 |
| 254/85 |
Screw |
10 |
| 254/418 |
Vehicle attached jack |
45 |
| 254/420 |
Attached to trailer tongue |
66 |
| 254/426 |
Cable actuated |
5 |
| 254/423 |
Hydraulic or pneumatic |
100 |
| 254/427 |
Rack and pinion |
5 |
| 254/422 |
Rocking lever |
6 |
| 254/424 |
Screw actuated |
53 |
| 254/425 |
Gear driven |
46 |
| 254/419 |
Semi-trailer landing gear |
64 |
| 254/421 |
Turntable |
4 |
| 254/DIG.13 |
Vehicle retarding drums |
0 |
| 254/45 |
Vehicle-body lifters |
64 |
| 254/47 |
Cable hoist |
13 |
| 254/48 |
Vehicle attached drum |
3 |
| 254/46 |
Lever and drum |
5 |
| 254/49 |
Swinging side bars |
4 |
| 254/50 |
Single fixed pivot |
0 |
| 254/DIG.9 |
Vehicle-operated lift platform |
4 |
| 254/104 |
Wedge |
153 |
| 254/903 |
Yieldable, constant engagement, friction coupling (e.g., slip clutch) in drive for cable pulling drum |
27 |
