Patent US5406157A successfully refreshed from Google Patents.
Patent US4153132A successfully refreshed from Google Patents.
US4153132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer steering and towing hitch
Assignee: Individual
•
Filing: 1977-08-18
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Granted: 1979-05-08
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Expires: 1997-08-18
Abstract
Abstract A trailer steering and towing hitch includes a moveable hitch connecting member which is supported on a towing vehicle for moving back and forth transverse to the axis of the towing vehicle with a motor for moving the hitch member back and forth for moving the front of a towed trailer for shifting and steering the trailer.
Inventors
- 👤 Lawrence W. Biedebach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:35
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/42; B60D1/44; B62; B62D; B62D13/00; Y; Y10; Y10S; Y10S280/00; Y10S280/09; Y10S280/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
143 words
A trailer towing and steering hitch system adapted for use in combination with passenger vehicles having a frame and a passenger compartment comprising, a support frame adapted to be secured to the side rails of the frame of the vehicle and extend outward beneath the bumper at the rear of the vehicle, a hitch connector member for pivotally and detachably connecting a trailer to said vehicle; a lever pivotally mounted on said support frame and mounting said hitch connector member for movement transverse to the longitudinal axis of said vehicle, and power means including a hydraulic motor mounted on said support frame and connected to said lever including control means positioned in the operator compartment for manipulation by an operator of said vehicle for selectively moving said lever member transverse to the longitudinal axis of said towing vehicle for selectively steering the trailer.
Claim 2
Dependent Claim
143 words
A trailer towing and steering hitch system adapted for use in combination with passenger vehicles having a frame and a passenger compartment comprising, a support frame adapted to be secured to the side rails of the frame of the vehicle and extend outward beneath the bumper at the rear of the vehicle, a hitch connector member for pivotally and detachably connecting a trailer to said vehicle; a lever pivotally mounted on said support frame and mounting said hitch connector member for movement transverse to the longitudinal axis of said vehicle, and power means including a hydraulic motor mounted on said support frame and connected to said lever including control means positioned in the operator compartment for manipulation by an operator of said vehicle for selectively moving said lever member transverse to the longitudinal axis of said towing vehicle for selectively steering the trailer.
Claim 3
Dependent Claim
53 words
The system of claim 1, wherein said lever normally extends along the longitudinal axis of the passenger vehicle and is pivotally mounted intermediate the ends thereof on said support frame, said hitch connector member is mounted on one end of the lever, and said hydraulic motor is connected to the other end thereof.
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) | 1982-05-07 | 1982-11-06 | 1983-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-07 | 1986-11-06 | 1987-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-07 | 1990-11-06 | 1991-05-08 | $7700.00 | Window Closed / Lapsed |