US3357367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive pin position control mechanism for floor truck tow line systems
Assignee: Jervis B Webb Co
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Filing: 1962-11-28
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Granted: 1967-12-12
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Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Walter C Etheridge
- 👤 Clarence A Dehne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:09
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/04; B61B10/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
MECHANISM FOR CONTROLLING THE RELATIVE POSITION BETWEEN THE DRIVE PIN OF A FLOOR TRUCK AND THE DRIVE MEMBER OF A TOW LINE COMPRISING DRIVE PIN SUPPORTING MEANS CARRIED BY THE FLOOR TRUCK FOR MOUNTING THE DRIVE PIN FOR MOVEMENT BETWEEN A LOWER DRIVING POSITION IN WHICH THE DRIVE PIN IS ENGAGEABLE BY A DRIVE MEMBER AND A HIGHER DRIVING POSITION IN WHICH THE DRIVE PIN IS ORDINARILY NOT ENGAGEABLE BY A DRIVE MEMBER, MEANS URGING THE DRIVE PIN TO SAID HIGHER POSITION, A BUMPER, MEANS MOUNTING THE BUMPER ON THE FRONT OF THE TRUCK FOR MOVEMENT BETWEEN AND EXTENDED POSITION AND A RETRACTED POSITION, AND DRIVE PIN POSITIONING MEANS OPERABLE BY MOVEMENT OF THE BUMPER FOR HOLDING THE DRIVE PIN IN THE LOWER NORMAL DRIVING POSITION THEREOF WHEN THE BUMPER IS IN ITS EXTENDED POSITION AND FOR PERMITTING NORMALLY URGED MOVEMENT OF THE DRIVE PIN TO THE HIGHER POSITION THEREOF WHEN THE BUMPER IS MOVED TO ITS RETRACTED POSITION.
Claim 2
Dependent Claim
159 words
MECHANISM FOR CONTROLLING THE RELATIVE POSITION BETWEEN THE DRIVE PIN OF A FLOOR TRUCK AND THE DRIVE MEMBER OF A TOW LINE COMPRISING DRIVE PIN SUPPORTING MEANS CARRIED BY THE FLOOR TRUCK FOR MOUNTING THE DRIVE PIN FOR MOVEMENT BETWEEN A LOWER DRIVING POSITION IN WHICH THE DRIVE PIN IS ENGAGEABLE BY A DRIVE MEMBER AND A HIGHER DRIVING POSITION IN WHICH THE DRIVE PIN IS ORDINARILY NOT ENGAGEABLE BY A DRIVE MEMBER, MEANS URGING THE DRIVE PIN TO SAID HIGHER POSITION, A BUMPER, MEANS MOUNTING THE BUMPER ON THE FRONT OF THE TRUCK FOR MOVEMENT BETWEEN AND EXTENDED POSITION AND A RETRACTED POSITION, AND DRIVE PIN POSITIONING MEANS OPERABLE BY MOVEMENT OF THE BUMPER FOR HOLDING THE DRIVE PIN IN THE LOWER NORMAL DRIVING POSITION THEREOF WHEN THE BUMPER IS IN ITS EXTENDED POSITION AND FOR PERMITTING NORMALLY URGED MOVEMENT OF THE DRIVE PIN TO THE HIGHER POSITION THEREOF WHEN THE BUMPER IS MOVED TO ITS RETRACTED POSITION.
References Cited (Backward Citations)
GB612793A
Cited
US2640580A
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US2619370A
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US2936718A
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US3045610A
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US3015284A
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US3072073A
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US3103895A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |