US4180252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle door and bumper lift
Assignee: Individual
•
Filing: 1978-12-22
•
Granted: 1979-12-25
•
Expires: 1998-12-22
Abstract
Abstract A lift for raising and lowering a vehicle door, bumper or other vehicle parts adjacent a vehicle when installing or removing the parts from the vehicle. The lift eliminates the need of physical labor to hold the door or bumper in place when performing body repair on the vehicle.
Inventors
- 👤 James D. Cushenbery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:05
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/28; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5468; B25; B25H; B25H1/00; B25H1/0007; B25H1/14; B25H1/16; B66F7/06; B66F7/0608; B66F7/0625; B66F7/065
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
222 words
A vehicle door and bumper lift, the lift comprising: a wheel mounted lower frame; a lower cross arm slidably mounted on said lower frame; a first pair of pinned scissor arms, said arms crossed and pivotally pinned together intermediate an upper end portion and a lower end portion of said arms, one lower end portion of said arms pivotally pinned to said lower frame, the other lower end portion of said arms attached to said lower cross arm; an upper frame disposed above said lower frame and parallel thereto, said upper frame pivotally pinned to one upper end portion of said arms and slidably attached to the other upper end portion of said arms; means for raising and lowering said scissor arms attached to said lower frame and threadably attached to said lower cross arm; a J-shaped hook having an upper end portion and a lower end portion, the lower end portion of said J-shaped hook pivotally pinned to said upper frame; a hook arm having one end pivotally pinned to the upper end portion of said hook; an upper cross arm slidably mounted on said upper frame, said cross arm attached to the other end of said hook arm; and means for raising and lowering said hook arm attached to said upper frame and threadably attached to said upper cross arm.
Claim 2
Dependent Claim
222 words
A vehicle door and bumper lift, the lift comprising: a wheel mounted lower frame; a lower cross arm slidably mounted on said lower frame; a first pair of pinned scissor arms, said arms crossed and pivotally pinned together intermediate an upper end portion and a lower end portion of said arms, one lower end portion of said arms pivotally pinned to said lower frame, the other lower end portion of said arms attached to said lower cross arm; an upper frame disposed above said lower frame and parallel thereto, said upper frame pivotally pinned to one upper end portion of said arms and slidably attached to the other upper end portion of said arms; means for raising and lowering said scissor arms attached to said lower frame and threadably attached to said lower cross arm; a J-shaped hook having an upper end portion and a lower end portion, the lower end portion of said J-shaped hook pivotally pinned to said upper frame; a hook arm having one end pivotally pinned to the upper end portion of said hook; an upper cross arm slidably mounted on said upper frame, said cross arm attached to the other end of said hook arm; and means for raising and lowering said hook arm attached to said upper frame and threadably attached to said upper cross arm.
Claim 3
Dependent Claim
67 words
The lift as described in claim 1 wherein said means for raising and lowering said scissor arms is a lower screw attached to said lower frame and threadably attached to said lower cross arm and having a lower screw handle, by rotating said lower screw handle said lower cross arm is slided on said lower frame thereby raising and lowering said scissor arms and said upper frame.
Claim 4
Dependent Claim
66 words
The lift as described in claim 1 wherein said means for raising and lowering said hook arm is an upper screw attached to said upper frame and threadably attached to said upper cross arm and having an upper screw handle, by rotating said upper screw handle said upper cross arm is slid on said upper frame thereby raising and lowering said hook arm and said hook.
Claim 5
Dependent Claim
51 words
The lift as described in claim 1 further including a pair of J-shaped hooks, the lower end portions of said hooks pivotally pinned to said upper frame, the upper end portions of said hooks pivotally pinned to a pair of hook arms, said hook arms attached to said upper cross arm.
Claim 6
Dependent Claim
22 words
The lift as described in claim 4 further including means for securing the vehicle door and the bumper to said J-shaped hooks.
Claim 7
Dependent Claim
306 words
A vehicle door and bumper lift, the lift comprising: a wheel mounted lower frame; a lower cross arm slidably mounted on said lower frame; a lower screw attached to said lower frame and threadably attached to said lower cross arm, said lower screw having a lower screw handle attached at one end thereof; a first pair of pinned scissor arms and a second pair of pinned scissor arms, said arms crossed and pivotally pinned together intermediate an upper end portion and a lower end portion of said arms, one lower end portion of said arms pivotally pinned to said lower frame, the other lower end portion of said arms attached to said lower cross arm; an upper frame disposed above said lower frame and parallel thereto, said upper frame pivotally pinned to one upper end portion of said arms and slidably attached to the other end portion of said arms, by rotating said lower screw with said lower screw handle, said lower cross arm raises and lowers said scissor arms thereby raising and lowering said upper frame; a pair of J-shaped hooks having an upper end portion and a lower end portion, the lower end portion of said hooks pivotally pinned to said upper frame; a pair of hook arms, one end of said hook arms pivotally pinned to the upper end portion of said hooks; an upper cross arm slidably mounted on said upper frame, said upper cross arm attached to the other end of said hook arms; and an upper screw attached to said upper frame and threadably attached to said upper cross arm, said upper screw having an upper screw handle attached at one end thereof, by rotating said upper screw with said upper screw handle, said upper cross arm raises and lowers said hook arms thereby raising and lowering said J-shaped hooks.
Claim 8
Dependent Claim
306 words
A vehicle door and bumper lift, the lift comprising: a wheel mounted lower frame; a lower cross arm slidably mounted on said lower frame; a lower screw attached to said lower frame and threadably attached to said lower cross arm, said lower screw having a lower screw handle attached at one end thereof; a first pair of pinned scissor arms and a second pair of pinned scissor arms, said arms crossed and pivotally pinned together intermediate an upper end portion and a lower end portion of said arms, one lower end portion of said arms pivotally pinned to said lower frame, the other lower end portion of said arms attached to said lower cross arm; an upper frame disposed above said lower frame and parallel thereto, said upper frame pivotally pinned to one upper end portion of said arms and slidably attached to the other end portion of said arms, by rotating said lower screw with said lower screw handle, said lower cross arm raises and lowers said scissor arms thereby raising and lowering said upper frame; a pair of J-shaped hooks having an upper end portion and a lower end portion, the lower end portion of said hooks pivotally pinned to said upper frame; a pair of hook arms, one end of said hook arms pivotally pinned to the upper end portion of said hooks; an upper cross arm slidably mounted on said upper frame, said upper cross arm attached to the other end of said hook arms; and an upper screw attached to said upper frame and threadably attached to said upper cross arm, said upper screw having an upper screw handle attached at one end thereof, by rotating said upper screw with said upper screw handle, said upper cross arm raises and lowers said hook arms thereby raising and lowering said J-shaped hooks.
Claim 9
Dependent Claim
24 words
The lift as described in claim 6 further including an attachment chain for securing the vehicle door and the bumper to said J-shaped hooks.
References Cited (Backward Citations)
US1973308A
Cited
US2799920A
Cited
US3858864A
Cited
US3928946A
Cited
US4025053A
Cited
US4029308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-24 | 1983-06-25 | 1983-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-24 | 1987-06-25 | 1987-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-24 | 1991-06-25 | 1991-12-25 | $7700.00 | Window Closed / Lapsed |