US3354982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steerable trailer wheel mechanism
Assignee: Individual
•
Filing: 1966-01-20
•
Granted: 1967-11-28
•
Expires: 1986-01-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Schramm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:31
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/04; B62D13/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
IN A STEERABLE TRAILER WHEEL MECHANISM THE COMBINATION OF: A FRAME; AXLE SUSPENSION MEANS CARRIED BY SAID FRAME; AN AXLE MEANS MOVABLY MOUNTED ON SAID AXLE SUSPENSION MEANS; STEERABLE WHEELS ROTATABLY MOUNTED ON SAID AXLE MEANS, SAID AXLE MEANS MOVABLE ON SAID SUSPENSION MEANS IN OPPOSITE FIRST AND SECOND ACTUATING DIRECTIONS SUBSTANTIALLY AT RIGHT ANGLES TO THE NORMALLY FORWARD AND REARWARD ROLLING DIRECTIONS OF SAID WHEELS; SUBSTANTIALLY VERTICAL AXIS MEANS ON SAID AXLE MEANS ABOUT WHICH SAID WHEELS ARE PIVOTALLY STEERABLE IN FIRST AND SECOND OPPOSITE STEERING DIRECTIONS AT ANGLES TO SAID NORMALLY FORWARD AND REARWARD ROLLING DIRECTIONS; FIRST AND SECOND STEERING MEANS COUPLED TO SAID WHEELS AND SAID FRAME AND OPERABLE IN RESPONSE TO MOVEMENT OF SAID AXLE MEANS ON SAID AXLE SUSPENSION MEANS IN SAID FIRST AND SECOND ACTUATING DIRECTIONS, SAID FIRST STEERING MEANS ADAPTED AND DISPOSED TO STEER SAID WHEELS IN SAID FIRST STEERING DIRECTION AT AN ANGLE TO SAID NORMALLY FORWARD AND REARWARD DIRECTIONS IN RESPONSE TO MOVEMENT OF SAID AXLE MEANS IN SAID FIRST ACTUATING DIRECTION; SAID SECOND STEERING MEANS ADAPTED AND DISPOSED TO STEER SAID WHEELS IN SAID SECOND STEERING DIRECTION OPPOSITE TO SAID FIRST STEERING DIRECTION AND AT AN ANGLE TO SAID NORMALLY FORWARD AND REARWARD DIRECTIONS IN RESPONSE TO MOVEMENT OF SAID AXLE MEANS IN SAID FIRST ACTUATING DIRECTION.
Claim 2
Dependent Claim
217 words
IN A STEERABLE TRAILER WHEEL MECHANISM THE COMBINATION OF: A FRAME; AXLE SUSPENSION MEANS CARRIED BY SAID FRAME; AN AXLE MEANS MOVABLY MOUNTED ON SAID AXLE SUSPENSION MEANS; STEERABLE WHEELS ROTATABLY MOUNTED ON SAID AXLE MEANS, SAID AXLE MEANS MOVABLE ON SAID SUSPENSION MEANS IN OPPOSITE FIRST AND SECOND ACTUATING DIRECTIONS SUBSTANTIALLY AT RIGHT ANGLES TO THE NORMALLY FORWARD AND REARWARD ROLLING DIRECTIONS OF SAID WHEELS; SUBSTANTIALLY VERTICAL AXIS MEANS ON SAID AXLE MEANS ABOUT WHICH SAID WHEELS ARE PIVOTALLY STEERABLE IN FIRST AND SECOND OPPOSITE STEERING DIRECTIONS AT ANGLES TO SAID NORMALLY FORWARD AND REARWARD ROLLING DIRECTIONS; FIRST AND SECOND STEERING MEANS COUPLED TO SAID WHEELS AND SAID FRAME AND OPERABLE IN RESPONSE TO MOVEMENT OF SAID AXLE MEANS ON SAID AXLE SUSPENSION MEANS IN SAID FIRST AND SECOND ACTUATING DIRECTIONS, SAID FIRST STEERING MEANS ADAPTED AND DISPOSED TO STEER SAID WHEELS IN SAID FIRST STEERING DIRECTION AT AN ANGLE TO SAID NORMALLY FORWARD AND REARWARD DIRECTIONS IN RESPONSE TO MOVEMENT OF SAID AXLE MEANS IN SAID FIRST ACTUATING DIRECTION; SAID SECOND STEERING MEANS ADAPTED AND DISPOSED TO STEER SAID WHEELS IN SAID SECOND STEERING DIRECTION OPPOSITE TO SAID FIRST STEERING DIRECTION AND AT AN ANGLE TO SAID NORMALLY FORWARD AND REARWARD DIRECTIONS IN RESPONSE TO MOVEMENT OF SAID AXLE MEANS IN SAID FIRST ACTUATING DIRECTION.
References Cited (Backward Citations)
GB560080A
Cited
US2851280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |