US Patent Class 187
ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE




Electronic
File
Wrappers


Electronic
Patent
Documents


Paper
Patent
Documents

Current as of: June, 1999
Click for Main Headings
Click DF for Definitions
Click for All Classes

Internet Version by PATENTEC © 1999       Terms of Use



Products
and
Services


  DF  CLASS NOTES
200  DF  STAIRWAY ASSIST FOR INDIVIDUAL OR MINOR BARRIER (E.G., CURB) LIFT FOR IMPAIRED INDIVIDUAL
201  DF  .~ Mounted adjacent stairway for travel parallel thereto
202  DF  .~.~ Having specific means contacting or on load support for stopping thereof
203  DF  STATIONARY LIFT FOR ROADWAY VEHICLE OR REQUIRED COMPONENT THEREOF
204  DF  .~ With distinct jack on vehicle support
205  DF  .~ With floor pit opening for support and safety cover therefor
206  DF  .~ With safety prop or braking rod for support
207  DF  .~ Having position lock for engaging sustaining drive means or guide means of support
208  DF  .~.~ Ratchet bar and latching pawl-type lock
209  DF  .~ With safety cutoff for drive means
210  DF  .~ Having specific drive means for support
211  DF  .~.~ Includes plural sustaining levers (e.g., Scissored levers)
212  DF  .~.~ Powered by vehicle being lifted
213  DF  .~.~ Includes driven sustaining columns on opposite sides of support
214  DF  .~.~.~ Having threaded rider and mating screw
215  DF  .~.~ Includes sustaining fluid ram
216  DF  .~ Having specific vehicle support structure (e.g., trackways)
217  DF  .~.~ With movable stop engaging vehicle wheel
218  DF  .~.~ Includes portion positioned or shaped to engage axle or undercarriage
219  DF  .~.~.~ Portion adjusts to plural use positions
220  DF  .~.~.~ Portion moves from use to nonuse configuration (e.g., alternate supports)
221  DF  .~.~ Includes auxiliary or adjustably spaced trackway
222  DF  INDUSTRIAL LIFT TRUCK OR REQUIRED COMPONENT THEREOF (E.G., FORKLIFT)
223  DF  .~ Having safety cutoff control
224  DF  .~ Having control for load support drive-means
225  DF  .~ Having foldable vertical guide
226  DF  .~ Having extensible vertical guide for load support
227  DF  .~.~ Guide or drive-means therefor positioned to enhance operator visibility
228  DF  .~.~ And guiding means for fluid drive line
229  DF  .~.~ Extended by single fluid ram
230  DF  .~.~ Specific vertical guide
231  DF  .~ Having structure allowing propulsion or steering by walking attendant
232  DF  .~.~ With stabilizing outrigger
233  DF  .~ Having specific drive-means for load support
234  DF  .~.~ Including fluid ram
235  DF  .~.~ Including cable accumulating-type drum
236  DF  .~.~ Including gear and mating rack or chain
237  DF  .~ Having specific load support structure (e.g., forks)
238  DF  .~ Having specific guide means for load support
239  DF  MOUNTED ON EXTERIOR OF BUILDING
240  DF  TRANSPORTABLE ELEVATOR
241  DF  .~ Nonself supporting-type (e.g., leaned against building)
242  DF  .~ Knockdown or collapsible for transport
243  DF  .~.~ Wheel supported
244  DF  .~ Wheel supported
245  DF  INCLINED ELEVATOR
246  DF  .~ Having linking cable tension change actuated stopping means for load support
247  DF  HAVING COMPUTER CONTROL OF ELEVATOR
248  DF  .~ Includes redundant circuitry
249  DF  HAVING INDEPENDENT SUPPORTS CARRYING DISTINCT LOADS AND SHARING COMMON PATH
250  DF  HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL
251  DF  .~ Includes linking support cable (e.g., rope, chain) in drive-means
252  DF  .~.~ And reciprocatingly shifted pulley wheel pulling thereon
253  DF  .~.~.~ Shifted by fluid ram
254  DF  .~.~ And rotatably driven drum pulling thereon
255  DF  .~.~.~ With projections or apertures for engaging complementary formations on cable (e.g., sprocket)
256  DF  .~.~.~ Plural driven drums
257  DF  .~.~.~.~ Each moves distinct load support
258  DF  .~.~.~.~ Having distinct drive motors
259  DF  .~.~.~.~ Cable accumulating-type drums
260  DF  .~.~.~.~ Different size drums
261  DF  .~.~.~ Cable accumulating-type drum
262  DF  .~.~.~.~ Having cable guiding pulley wheel spaced therefrom
263  DF  .~.~.~ With structure adapting drum for manual drive
264  DF  .~.~.~ With separate biasing means maintaining cable tension
265  DF  .~.~.~.~ Includes spring supported pulley
266  DF  .~.~.~ Having cable guiding pulley wheel spaced therefrom
267  DF  .~ Includes threaded rider mating with support screw in drive-means
268  DF  .~.~ Driven rider
269  DF  .~ Includes scissored supporting levers in drive-means
270  DF  .~ Includes gear on support mating with stationary rack or chain
271  DF  .~.~ Worm-type gear
272  DF  .~ Includes fluid supporting ram in drive-means
273  DF  .~.~ Pneumatic (e.g., steam)
274  DF  .~.~ Plural fluid rams having interrelated operation
275  DF  .~.~ With fluid flow controlling means
276  DF  .~ Includes control for power source of drive-means
277  DF  .~.~ With specific electrical component
278  DF  .~.~.~ Actuated by movement of building (e.g., seismic activity)
279  DF  .~.~.~ Actuated by presence of obstruction in shaft
280  DF  .~.~.~ Actuated by location of access barrier or its lock
281  DF  .~.~.~ Actuated by excessive load
282  DF  .~.~.~ Actuated by load support contacting trip in shaft
283  DF  .~.~.~.~ Having trip at each of plural landings
284  DF  .~.~.~.~.~ And means for final leveling
285  DF  .~.~.~ For fluid-type power source
286  DF  .~.~.~.~ Actuated by load support speed sensor or governor
287  DF  .~.~.~ Includes safety cut off switch actuated by load support speed sensor or governor
288  DF  .~.~.~ Control actuates mechanical braking means for power source
289  DF  .~.~.~ For electric power source
290  DF  .~.~.~.~ With auxiliary supply of electricity
291  DF  .~.~.~.~ Having means for final leveling
292  DF  .~.~.~.~ With means for stopping vibration or bump start
293  DF  .~.~.~.~ Controls power source speed
294  DF  .~.~.~.~.~ Actuated near terminus of shaft
295  DF  .~.~.~.~.~ Having control signal pattern generator
296  DF  .~.~.~.~.~ Limited to power source (i.e., motor) utilizing A.C. power
297  DF  .~.~.~.~.~ Limited to power source (i.e., motor) utilizing D.C. power
298  DF  .~.~.~.~ Actuated by human operator engaging specific input part
299  DF  .~.~.~.~.~ With means locking input part of control against movement
300  DF  .~.~ Actuated by presence of obstruction in shaft
301  DF  .~.~ Actuated by location of access barrier or its lock
302  DF  .~.~ Actuated by load support contacting trip in shaft
303  DF  .~.~.~ Having trip at each of plural landings
304  DF  .~.~.~.~ Trip supported on or formed by cable
305  DF  .~.~ Actuated by load support speed sensor or governor
306  DF  .~.~ Actuated by human operator engaging specific input part
307  DF  .~.~.~ With means for locking input part of control against movement by operator
308  DF  .~.~.~.~ Actuated by position or movement of access barrier or its position lock
309  DF  .~.~.~.~.~ Having barrier position lock operable only when load support or control input part safely positioned
310  DF  .~.~.~.~.~.~ With common actuation of barrier position lock and input part locking means
311  DF  .~.~.~ Using cable to transmit input
312  DF  .~.~.~.~ Running cable type
313  DF  WITH BARRIER FOR REGULATING ACCESS TO LOAD SUPPORT
314  DF  .~ Operation variable for emergency, maintenance, or abnormal condition
315  DF  .~ Includes motor or motor driven linkage for shifting barrier
316  DF  .~.~ With specific electrical control therefor
317  DF  .~.~.~ Includes object detecting sensor or switch on barrier
318  DF  .~.~ Shifts barrier mounted at landing
319  DF  .~.~.~ Through coupling with barrier on load support
320  DF  .~.~.~ Plural interconnected motors shift barriers at different landings
321  DF  .~.~.~ Motor stationarily mounted and linkable to barriers on different landings
322  DF  .~.~.~.~ Includes rotating shaft extending between landings
323  DF  .~.~.~ Nonelectric motor
324  DF  .~.~ Shifts sliding barrier on load support
325  DF  .~ Including barrier mounted at landing
326  DF  .~.~ Barrier shifted by drive-means powered by motion of load support
327  DF  .~.~.~ Having endless driving belt in drive-means
328  DF  .~.~.~ Having rotatably driven drum and cable pulled thereby in drive-means
329  DF  .~.~.~ Having cable and guiding pulley therefor in drive-means
330  DF  .~.~ With means to couple to barrier on load support
331  DF  .~.~ With position lock therefor
332  DF  .~.~ Collapsible or rollable type
333  DF  .~.~ Slideably mounted
334  DF  .~ Including slideably mounted barrier on load support
335  DF  .~.~ With position lock therefor
336  DF  WITH CLOSURE MEANS FOR SHAFT OPENING THROUGH LANDING
337  DF  .~ Including pivoted closure
338  DF  .~.~ Shifted by drive-means powered by load support motion
339  DF  .~.~ With closure latching means
340  DF  .~ Including transversely sliding closure
341  DF  .~.~ Shifted by drive-means powered by load support motion
342  DF  .~ Including closure bodily carried along shaft by load support
343  DF  HAVING MEANS CUSHIONING CONTACT OF LOAD SUPPORT WITH TERMINUS OF SHAFT
344  DF  .~ Fluid resistance or shock absorber-type means
345  DF  HAVING FLUID DAMPENING MEANS REGULATING LOAD SUPPORT MOVEMENT
346  DF  .~ With fluid coacting portion carried by load support
347  DF  .~ Includes piston and cylinder attached to support by cable
348  DF  WITH EMERGENCY RUNNING SUSPENSION CABLE FOR LOAD SUPPORT
349  DF  WITH CONDITION ACTUATED MEANS RELEASING LOAD SUPPORT FROM DRIVE-MEANS
350  DF  HAVING MEANS ENGAGING CABLE ATTACHED TO LOAD SUPPORT, OR ITS GUIDE, TO SLOW LOAD SUPPORT
351  DF  HAVING SPECIFIC MEANS CONTACTING OR ON LOAD SUPPORT FOR STOPPING OR SLOWING THEREOF
352  DF  .~ Includes gear on support mating with stationary rack
353  DF  .~.~ Worm-type gear
354  DF  .~ Means actuated by access barrier movement
355  DF  .~.~ And having movable contact component carried by support
356  DF  .~ Stationarily mounted and having disparate movable contact component
357  DF  .~.~ Mounted only at landings or terminus of shaft
358  DF  .~.~ Having drive-means for component powered by load support motion
359  DF  .~ Includes movable contact component on support for engaging shaft structure
360  DF  .~.~ Interlocking only with structure of landings or terminus of shaft
361  DF  .~.~ Actuated by change in suspension or counterweight cable tension
362  DF  .~.~.~ And shaped to cut into cooperating structure
363  DF  .~.~.~ And interlocking with complementary stationary formation (e.g., catches)
364  DF  .~.~.~.~ Slidably mounted contact component
365  DF  .~.~.~.~.~ Slides perpendicular to path of support
366  DF  .~.~.~.~ Plural pivotally attached gripping contact components engaging common rail
367  DF  .~.~.~ Pivotally attached contact component
368  DF  .~.~.~.~ With eccentric camming face
369  DF  .~.~.~.~.~ Having similar contact component cooperating to grip common rail
370  DF  .~.~.~.~ Plural gripping contact components engaging common rail
371  DF  .~.~.~ Slidably mounted contact component
372  DF  .~.~.~.~ Having wedge shape or sliding along incline
373  DF  .~.~ Actuated by load support speed governor or sensor
374  DF  .~.~.~ Pivotally attached contact component
375  DF  .~.~.~.~ Plural gripping contact components engaging common rail
376  DF  .~.~.~ Slidable contact component having wedge shape or sliding along incline
377  DF  .~.~ Actuated by human operator
378  DF  .~.~.~ And interlocking with complementary stationary formation
379  DF  .~.~.~ Pivotally attached contact component
380  DF  WITH CALL REGISTRATION MEANS
381  DF  .~ Having call cancel or refuse feature
382  DF  .~ Shared by plural load supports
383  DF  .~.~ Assigns load supports to zones
384  DF  .~.~ Having security or priority preemption feature
385  DF  .~.~ Dispatches load supports from designated landing
386  DF  .~.~.~ Frequency based on interval of time
387  DF  .~.~ Assigns calls to load supports on predetermined basis
388  DF  .~ Also directs response
389  DF  .~ Includes specific floor selector
390  DF  ALARM SYSTEM
391  DF  WITH MONITORING, SIGNALLING, AND INDICATING MEANS
392  DF  .~ Monitors passengers
393  DF  .~ Monitors operational parameter
394  DF  .~.~ Load support position
395  DF  HAVING CALL BUTTON WITH INDICATOR
396  DF  GENERAL INFORMATION DISPLAY (E.G., STORE DIRECTORIES)
397  DF  WITH VISUAL INDICATOR OF MOVEMENT OF LOAD SUPPORT
398  DF  .~ Indicates particular one of plural load supports responding
399  DF  .~ Indicates existing location
400  DF  WITH SAFETY OR SEALING MEANS FOR GAP BETWEEN LOAD SUPPORT AND LANDING
401  DF  HAVING SPECIFIC LOAD SUPPORT STRUCTURE OR ARRANGEMENT (E.G., CAR FRAMING)
402  DF  .~ Arranged to carry masonry hod
403  DF  .~ With means for engaging wheels of carried vehicle
404  DF  HAVING SPECIFIC COUNTERBALANCE MEANS FOR LOAD SUPPORT
405  DF  .~ Includes variable weight
406  DF  HAVING SPECIFIC STATIONARY GUIDING STRUCTURE FOR COUNTERBALANCE MEANS OR LOAD SUPPORT
407  DF  .~ Formed from cable
408  DF  .~ And mounting means therefor
409  DF  HAVING SPECIFIC GUIDE SHOE
410  DF  .~ With roller
411  DF  HAVING SPECIFIC FORCE TRANSMITTING CONNECTION FOR COUNTERWEIGHT OR LOAD SUPPORT
412  DF  .~ Equalizes tension in, or length of, plural linking cables
413  DF  HAVING SPECIFIC ARRANGEMENT OR CONNECTION OF ELECTRICAL OR FLUID SERVICE LINE
414  DF  MISCELLANEOUS
*********************************
CROSS-REFERENCE ART COLLECTIONS
*********************************
900  DF  TEMPORARY CONSTRUCTION ELEVATOR FOR BUILDING
901  DF  CONTROL MODIFIED FOR USE BY DISABLED INDIVIDUAL
902  DF  CONTROL FOR DOUBLE-DECKER CAR