US4589813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck restraining device
Assignee: WB MCGUIRE Co Inc A CORP OF NY
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Filing: 1984-06-07
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Granted: 1986-05-20
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Expires: 2004-06-07
Abstract
Abstract A restraining device or "keeper" for locking a truck having an ICC bar to a dock, the device including an arm pivotally secured to the front of the dock for movement between a storage position against the front of the dock and an operative position extending outward from the dock, a restraining bar mounted for vertical movement relative to the swing arm to a position to block the path of motion of the ICC bar away from the dock, and a latch assembly for locking the swing arm in the operative and inoperative positions.
Inventors
- 👤 James P. Hagen
- 👤 Walter E. Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:16
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/003
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
116 words
An apparatus for restricting the movement of a parked vehicle having an "ICC" bar on the rear end thereof from moving away from a loading dock, said apparatus comprising first means mounted on the front of the loading dock for movement between a first position adjacent to the front of the dock and a second position extending outwardly therefrom a distance sufficient to pass under the "ICC" bar, second means mounted on the first means for vertical movement with respect to the first means to a blocking position to restrict movement of the "ICC" bar to a predetermined distance from the loading dock, and drive means for selectively moving said second means to said blocking position.
Claim 2
Independent Claim
116 words
An apparatus for restricting the movement of a parked vehicle having an "ICC" bar on the rear end thereof from moving away from a loading dock, said apparatus comprising first means mounted on the front of the loading dock for movement between a first position adjacent to the front of the dock and a second position extending outwardly therefrom a distance sufficient to pass under the "ICC" bar, second means mounted on the first means for vertical movement with respect to the first means to a blocking position to restrict movement of the "ICC" bar to a predetermined distance from the loading dock, and drive means for selectively moving said second means to said blocking position.
Claim 3
Dependent Claim
19 words
The apparatus according to claim 1 including means for moving said first means between the first and second positions.
Claim 4
Dependent Claim
21 words
The apparatus according to claim 2 including pin means for releasably locking said first means in said first and second positions.
Claim 5
Independent Claim
132 words
An apparatus for restricting movement of a vehicle parked at a loading dock, said vehicle having an "ICC" bar on the rear end thereof, and said apparatus comprising a swing arm mounted on the front of the loading dock for movement between a first position adjacent to the front of the loading dock and a second position extending outwardly therefrom a distance sufficient to pass under the "ICC" bar, a restraining bar mounted on the outer end of said swing arm, motor means for moving said restraining bar with respect to said swing arm between an operative position restricting the movement of the "ICC" bar to a predetermined distance from the loading dock and an inoperative position below the "ICC" bar, and means for locking said swing arm in the second position.
Claim 6
Independent Claim
132 words
An apparatus for restricting movement of a vehicle parked at a loading dock, said vehicle having an "ICC" bar on the rear end thereof, and said apparatus comprising a swing arm mounted on the front of the loading dock for movement between a first position adjacent to the front of the loading dock and a second position extending outwardly therefrom a distance sufficient to pass under the "ICC" bar, a restraining bar mounted on the outer end of said swing arm, motor means for moving said restraining bar with respect to said swing arm between an operative position restricting the movement of the "ICC" bar to a predetermined distance from the loading dock and an inoperative position below the "ICC" bar, and means for locking said swing arm in the second position.
Claim 7
Dependent Claim
48 words
The apparatus according to claim 4 including a support bracket mounted on the front of the loading dock to pivotally support the swing arm for movement between said first position adjacent to the front of the loading dock and said second position extending outwardly from the loading dock.
Claim 8
Dependent Claim
21 words
The apparatus according to claim 5 said locking means including a pin for locking the swing arm in the first position.
Claim 9
Dependent Claim
43 words
The apparatus according to claim 6 wherein said restraining bar includes a gear rack, and said motor means includes a reversible motor and a gear operatively positioned to engage said gear rack to drive said restraining bar between the operative and inoperative position.
Claim 10
Dependent Claim
44 words
The apparatus according to claim 7 wherein said arm includes a depending section located in close proximity to the ground whereby forces acting on the upper end of said restraining bar will be resisted by the engagement of the depending section with the ground.
Claim 11
Dependent Claim
36 words
The apparatus according to claim 4, 5, 6 or 7 wherein said restraining bar has one end tapered away from said dock to release the restraining bar from ICC bar on retraction into the swing arm.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-05-19 | 1989-11-18 | 1990-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-19 | 1993-11-18 | 1994-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-19 | 1997-11-18 | 1998-05-20 | $7700.00 | Window Closed / Lapsed |