US3253474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacer mounting apparatus for beltdrive engine installations
Assignee: RJ Enstrom Corp
•
Filing: 1964-01-10
•
Granted: 1966-05-31
•
Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Alb C Ballauer
- 👤 Robert J Bretl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:31
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/02; B; B64; B64C; B64C27/00; B64C27/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
ENGINE SUPPORT AND BELT-DRIVE APPARATUS FOR A RESILIENTLY-MOUNTED ENGINE WHOSE CRANKSHAFT DRIVES A TRANSMISSION POWER SHAFT, COMPRISING A DRIVING SHEAVE MEANS HAVING A HUB PORTION FIXEDLY ENGAGING THE ENGINE CRANKSHAFT, DRIVEN SHEAVE MEANS FIXEDLY MOUNTED ON THE TRANSMISSION POWER SHAFT, BELT MEANS IN DRIVING CONTACT WITH SAID DRIVING AND DRIVEN SHEAVE MEANS FOR TRANSMITTING ROTATION OF SAID DRIVING SHEAVE TO SAID DRIVEN SHEAVE, AND RIGID MEANS SUSPENDED SWINGABLY AT THE AXIS OF THE DRIVEN SHEAVE MEANS FOR ESTABLISHING AN ABSOLUTE DISTANCE OF SEPARATION BETWEEN THE AXES OF ROTATION OF SAID DRIVING AND DRIVEN SHEAVE MEANS, SAID RIGID MEANS HAVING TILT-PERMITING BEARING MEANS TO SUPPORT THE ENGINE CRANKSHAFT AT THE DRIVING SHEAVE.
References Cited (Backward Citations)
US412616A
Cited
US984953A
Cited
US1612043A
Cited
US2537120A
Cited
US2549247A
Cited
US2814207A
Cited
US2883157A
Cited
US3051010A
Cited
US3145575A
Cited
US3094005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |