US3146772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decompression device for combustion engines
Assignee: Motorenfabrik Hatz GmbH and Co KG
•
Filing: 1963-05-01
•
Granted: 1964-09-01
•
Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernst Hatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:26
CPC Classifications
F; F01; F01L; F01L13/00; F01L13/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
IN AN INTERNAL COMBUSTION ENGINE THE COMBINATION COMPRISING A VALVE PORT, A VALVE HAVING A STEM AND MOVABLE IN SAID PORT TO REGULATE THE PASSAGE OF A FLUID THERETHROUGH, FIRST ENGAGING MEANS COMPRISING A CUP-SHAPED ENGAGING MEMBER SURROUNDING SAID VALVE STEM AND SECURED THERETO BY SPRING MEANS, A CYLINDRICAL AND ROTATABLE DECOMPRESSION CAM SHAFT HAVING A FLAT PORTION AND A PARTIALLY TOOTHED DRIVING DISC LATERALLY DISPLACED FROM SAID FLAT PORTION AND RIGIDLY SECURED TO SAID SHAFT, VALVE ACTUATING MEANS COMPRISING A ROCKER ARM OPERABLE TO MOVE SAID VALVE IN SAID PORT, SAID ROCKER ARM COMPRISING SECOND ENGAGING MEANS FOR CONTACTING SAID DECOMPRESSION CAM SHAFT AT THE CYLINDRICAL AND THE FLAT PORTIONS THEREOF TO REGULATE THE MOVEMENT OF SAID ROCKER ARM THEREBY LIMITING VALVE MOVEMENT, VALVE CASING MEANS DEFINING A SUPPORT FOR SAID DECOMPRESSION CAM SHAFT AND ROCKER ARM, SAID CUP-SHAPED MEMBER OF SAID FIRST ENGAGING MEANS DE-
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |