US3706356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle hoist
Assignee: Individual
•
Filing: 1970-04-22
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Granted: 1972-12-19
•
Expires: 1990-04-22
Abstract
Abstract A vehicle hoist for vertically reciprocating vehicles while supporting the vehicle in cantilever fashion. The vehicle is maintained essentially horizontal during the reciprocation and may be selectively elevated to a variety of heights.
Inventors
- 👤 Lewis R Herbst
- 👤 Burton C Herbst
- 👤 Wayne K Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:52
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/02; B66F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
298 words
A vehicle hoist for elevating a level vehicle to allow access beneath said vehicle while supporting and guiding said vehicle only at one end, comprising: a base frame; a vehicle platform for supporting said vehicle; means mounted on said base frame for guiding said vehicle platform for vertical reciprocation, all of said guiding means positioned forward of the center of gravity of said vehicle when said vehicle is positioned on said vehicle platform; said platform guiding means comprising: a first pair of substantially vertical structural members rigidly attached to said base frame adjacent the forward end of said vehicle platform, one of said first pair of structural members on each side of said vehicle platform; a second pair of substantially vertical structural members rigidly attached to said base frame between the center of gravity of said vehicle and said first pair of structural members, one of said second pair of structural members on each side of said vehicle platform; and a pair of diagonal support members each connected to the base of one of said first pair of vertical structural members and to the top on one of said second pair of vertical support members on each side of said vehicle platform; means attached to said base frame and said vehicle platform for vertically raising said vehicle platform along said guide means, said vertically raising means coupled to said platform only forward of said vehicle center of gravity, said vertically raising means comprising a pair of hydraulic cylinders, one of which is attached to each of said diagonal support members; and means attached to said base frame and said vehicle platform for maintaining said vehicle horizontal during operation of said means for raising, said maintaining means coupled to said platform only forward of said vehicle center of gravity.
Claim 2
Dependent Claim
298 words
A vehicle hoist for elevating a level vehicle to allow access beneath said vehicle while supporting and guiding said vehicle only at one end, comprising: a base frame; a vehicle platform for supporting said vehicle; means mounted on said base frame for guiding said vehicle platform for vertical reciprocation, all of said guiding means positioned forward of the center of gravity of said vehicle when said vehicle is positioned on said vehicle platform; said platform guiding means comprising: a first pair of substantially vertical structural members rigidly attached to said base frame adjacent the forward end of said vehicle platform, one of said first pair of structural members on each side of said vehicle platform; a second pair of substantially vertical structural members rigidly attached to said base frame between the center of gravity of said vehicle and said first pair of structural members, one of said second pair of structural members on each side of said vehicle platform; and a pair of diagonal support members each connected to the base of one of said first pair of vertical structural members and to the top on one of said second pair of vertical support members on each side of said vehicle platform; means attached to said base frame and said vehicle platform for vertically raising said vehicle platform along said guide means, said vertically raising means coupled to said platform only forward of said vehicle center of gravity, said vertically raising means comprising a pair of hydraulic cylinders, one of which is attached to each of said diagonal support members; and means attached to said base frame and said vehicle platform for maintaining said vehicle horizontal during operation of said means for raising, said maintaining means coupled to said platform only forward of said vehicle center of gravity.
References Cited (Backward Citations)
US1710442A
Cited
US2639784A
Cited
US2891636A
Cited
FR1183686A
Cited
US3387722A
Cited
US3557908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |