US4308768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet lever
Assignee: Rems Werk Christian Foell und Soehne GmbH and Co
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Filing: 1980-05-09
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Granted: 1982-01-05
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Expires: 2000-05-09
Abstract
Abstract A ratchet lever with a ratchet head arranged on an actuating arm which has a head ring for receiving an interchangeable locking ring. The locking ring has an intermediate piece with at least one four-sided hole for plug or insert connection with a radiator nipple key.
Inventors
- 👤 Rudolf Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:26
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/10; B25B13/107; B25B13/46; B25B13/461; B25B13/462; B25B13/463
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
89 words
A ratchet lever which comprises: an actuating arm; a ratchet head arranged on said actuating arm, said ratchet head being provided with a head ring; a locking ring interchangeably receivable by said head ring; and an intermediate piece arrangeable in said locking ring, said intermediate piece being provided with at least one four-sided hole for insertion connection with a working tool, said locking ring being provided with a multiple-sided hole having corner regions, and in which said intermediate piece is provided with support webs arrangeable in said corner regions.
Claim 2
Dependent Claim
89 words
A ratchet lever which comprises: an actuating arm; a ratchet head arranged on said actuating arm, said ratchet head being provided with a head ring; a locking ring interchangeably receivable by said head ring; and an intermediate piece arrangeable in said locking ring, said intermediate piece being provided with at least one four-sided hole for insertion connection with a working tool, said locking ring being provided with a multiple-sided hole having corner regions, and in which said intermediate piece is provided with support webs arrangeable in said corner regions.
Claim 3
Dependent Claim
17 words
A ratchet lever according to claim 1, in which said working tool is a radiator nipple key.
Claim 4
Dependent Claim
21 words
A ratchet lever according to claim 1, in which said locking ring includes transverse pins for fastening said intermediate piece therein.
Claim 5
Dependent Claim
19 words
A ratchet lever according to claim 3, in which said transverse pins are adapted to engage said support webs.
Claim 6
Dependent Claim
20 words
A ratchet lever according to claim 4, in which said locking ring and said intermediate piece are a unitary piece.
Claim 7
Dependent Claim
17 words
A ratchet lever according to claim 5, in which said unitary piece is a pressure cast piece.
Claim 8
Dependent Claim
39 words
A ratchet lever according to claim 1, in which said locking ring is provided with a multiple-sided hole, and in which said intermediate piece is provided with a corresponding outer multiple-sided portion for positive arrangement in said locking ring.
Claim 9
Dependent Claim
43 words
A ratchet lever according to claim 1, in which a spring ring is provided in said hole of said locking ring, and in which said outer multiple-sided portion of said intermediate piece is provided with a peripheral groove for receiving said spring ring.
Claim 10
Dependent Claim
33 words
A ratchet lever according to claim 1, in which said intermediate piece has two axially oppositely located end faces and two four-sided holes respectively located in said end faces and having different sizes.
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) | 1985-01-04 | 1985-07-06 | 1986-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-04 | 1989-07-06 | 1990-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-04 | 1993-07-06 | 1994-01-05 | $7700.00 | Window Closed / Lapsed |