US3353499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor trolley
Assignee: Taylor and Gaskin Inc
•
Filing: 1965-05-11
•
Granted: 1967-11-21
•
Expires: 1985-05-11
Abstract
No abstract record available.
Inventors
- 👤 John C Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:28
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A TROLLEY FOR A CONVEYOR SYSTEM INCLUDING A TROLLEY TRACK AND POWERED DRIVE MEANS HAVING PUSHER MEMBERS DISPOSED IN SPACED APART RELATION THERALONG, COMPRISING A TROLLEY BODY PROVIDED WITH TRACT-ENGAGING MEANS SUPPORTING THE TROLLEY FOR MOVEMENT ALONG THE TRACK, A DRIVING DOG SUPPORTED FOR VERTICALLY SHIFTABLE MOVEMENT ON THE BODY BETWEEN AN OPERATIVE POSITION IN THE PATH OF SAID PUSHER MEMBERS AND AN INOPERATIVE POSITION IN THE PATH OF SAID PATH OF SAID MEMBERS, MEANS COUPLED TO SAID DRIVING DOG FOR SHIFTING THE SAME AND INCLUDING A VERTICALLY SWINGABLE ACTUATING MEMBER PROJECTING FORWARDLY OF THE TROLLEY FOR ENGAGEMENT WITH A PRECEDING TROLLEY ON THE TRACK, AND A LINK OPERABLY COUPLED TO SAID MEMBER ENGAGING SAID DRIVING DOG WHEN THE LATTER IS IN ITS OPERATIVE POSITION TO POSITIVELY SHIFT THE DOG TO ITS INOPERATIVE POSITION UPON MOVEMENT OF SAID ACUTATING MEMBER, SAID LINK BEING DISENGAGED FROM THE DRIVING DOG WHEN THE DOG REACHES ITS INOPERATIVE POSITION.
Claim 2
Dependent Claim
155 words
A TROLLEY FOR A CONVEYOR SYSTEM INCLUDING A TROLLEY TRACK AND POWERED DRIVE MEANS HAVING PUSHER MEMBERS DISPOSED IN SPACED APART RELATION THERALONG, COMPRISING A TROLLEY BODY PROVIDED WITH TRACT-ENGAGING MEANS SUPPORTING THE TROLLEY FOR MOVEMENT ALONG THE TRACK, A DRIVING DOG SUPPORTED FOR VERTICALLY SHIFTABLE MOVEMENT ON THE BODY BETWEEN AN OPERATIVE POSITION IN THE PATH OF SAID PUSHER MEMBERS AND AN INOPERATIVE POSITION IN THE PATH OF SAID PATH OF SAID MEMBERS, MEANS COUPLED TO SAID DRIVING DOG FOR SHIFTING THE SAME AND INCLUDING A VERTICALLY SWINGABLE ACTUATING MEMBER PROJECTING FORWARDLY OF THE TROLLEY FOR ENGAGEMENT WITH A PRECEDING TROLLEY ON THE TRACK, AND A LINK OPERABLY COUPLED TO SAID MEMBER ENGAGING SAID DRIVING DOG WHEN THE LATTER IS IN ITS OPERATIVE POSITION TO POSITIVELY SHIFT THE DOG TO ITS INOPERATIVE POSITION UPON MOVEMENT OF SAID ACUTATING MEMBER, SAID LINK BEING DISENGAGED FROM THE DRIVING DOG WHEN THE DOG REACHES ITS INOPERATIVE POSITION.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |