Patent US4964741A successfully refreshed from Google Patents.
US4964741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller assembly
Assignee: Individual
•
Filing: 1990-02-12
•
Granted: 1990-10-23
•
Expires: 2010-02-12
Abstract
Abstract A roller assembly which circumscribes a rotative axle in an engine. The tappet includes spaced holes, usually staggered which allow for distribution of lubricant or coolant fluid to the bearings which lie between the tappet and the axle.
Inventors
- 👤 Earl Gaerte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:09
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/006; F01; F01L; F01L1/00; F01L1/12; F01L1/14; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16C33/6659; F01L2305/00; F01L2305/02; F01L2810/00; F01L2810/02; F16C2360/00; F16C2360/18
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
69 words
In a roller assembly including a housing carrying a stationary axle, a roller rotatably positioned about said axle, and bearing means positioned between said axle and said roller, said bearing means for facilitating rotation of said roller about said axle, the improvement wherein said roller has a hole drilled therethrough communicating with said bearing means, said hole constituting conduit means for allow circulation of lubricant to said bearing means.
Claim 2
Dependent Claim
69 words
In a roller assembly including a housing carrying a stationary axle, a roller rotatably positioned about said axle, and bearing means positioned between said axle and said roller, said bearing means for facilitating rotation of said roller about said axle, the improvement wherein said roller has a hole drilled therethrough communicating with said bearing means, said hole constituting conduit means for allow circulation of lubricant to said bearing means.
Claim 3
Dependent Claim
21 words
The roller assembly of claim 1 wherein said roller has a plurality of said holes therethrough communicating with said bearing means.
Claim 4
Dependent Claim
19 words
The roller assembly of claim 2 wherein said plurality of holes are axially and radially spaced along said roller.
Claim 5
Dependent Claim
18 words
The roller assembly of claim 3 wherein said housing seals said bearing means against intrusion of foreign particles.
Claim 6
Dependent Claim
29 words
The roller assembly of claim 3 wherein said roller contacts a cam shaft, and including means associated with the cam shaft for lubricating the cam shaft and roller assembly.
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) | 1993-10-22 | 1994-04-23 | 1994-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-22 | 1998-04-23 | 1998-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-22 | 2002-04-23 | 2002-10-23 | $7700.00 | Window Closed / Lapsed |