Patent US3815451A successfully refreshed from Google Patents.
US3815451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Release device for sockets incorporated in ratchet wrenches
Assignee: Individual
•
Filing: 1973-03-07
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Granted: 1974-06-11
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Expires: 1993-03-07
Abstract
Abstract An improvement incorporated in a ratchet wrench to facilitate removal of sockets from socket engaging stud. The device comprises the construction of two socket ejector channels through the drive cylinder adjacent opposite sides of the socket engaging stud. The socket ejector having the general configuration of an elongated staple projects through the ejection channels and is capable of contacting and ejecting a socket from the drive stud when pressure is applied to the socket ejector head by the user.
Inventors
- 👤 J Penner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:14
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0057; B25B13/00; B25B13/46; B25B13/461; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
123 words
A socket drive means comprising: a. a head, b. an elongated handle securedly attached to and projecting from said head, c. a socket engaging stud securely affixed to and projecting from said head, d. a first socket ejection channel constructed in and projecting through said head terminating adjacent said socket engaging stud, e. a second socket ejector channel constructed in and projecting through said head and terminating adjacent said socket engaging stud, f. a first socket ejector arm mounted in and projecting through said first socket ejector channel, g. a second socket ejector arm mounted in and projecting through said second socket ejector channel, and h. a socket ejector head securely interconnecting said first socket ejector arm and said second socket ejector arm.
Claim 2
Dependent Claim
123 words
A socket drive means comprising: a. a head, b. an elongated handle securedly attached to and projecting from said head, c. a socket engaging stud securely affixed to and projecting from said head, d. a first socket ejection channel constructed in and projecting through said head terminating adjacent said socket engaging stud, e. a second socket ejector channel constructed in and projecting through said head and terminating adjacent said socket engaging stud, f. a first socket ejector arm mounted in and projecting through said first socket ejector channel, g. a second socket ejector arm mounted in and projecting through said second socket ejector channel, and h. a socket ejector head securely interconnecting said first socket ejector arm and said second socket ejector arm.
Claim 3
Dependent Claim
40 words
The invention of claim 1 wherein: a. said head is a ratchet head, b. a ratchet drive cylinder rotatibly mounted in said ratchet head, and c. a socket engaging stud securely affixed to and projecting from said ratchet drive cylinder.
Claim 4
Dependent Claim
16 words
The invention of claim 2 wherein said socket ejector head is a substantially round knurled head.
Claim 5
Dependent Claim
125 words
The invention of claim 1 wherein said first socket ejector channel and said second socket ejector channel include: a. a first socket ejector arm detent constructed in said first socket ejector channel adjacent said socket engaging stud, b. a second socket arm ejector detent constructed in said second socket ejector channel adjacent said socket engaging stud, c. a first socket ejector arm retainer constructed in said first socket ejector arm, said first socket ejector arm retainer constructed in a configuration adapted to nestle in said first socket ejector arm detent, and d. a second socket ejector arm retainer constructed in said second socket ejector arm, said second socket ejector arm retainer constructed in a configuration adapted to nestle in said second socket ejector arm detent.
Claim 6
Dependent Claim
127 words
The invention of claim 2 wherein said first socket ejector arm channel and said second socket ejector arm channel include: a. a first socket ejector arm detent constructed in said first socket ejector channel adjacent said socket engaging stud, b. a second socket ejector arm detent constructed in said second socket ejector channel adjacent said socket engaging stud, c. a first socket ejector arm retainer constructed in said first socket ejector arm, said first socket ejector arm retainer constructed in a configuration adapted to nestle in said first socket ejector arm detent, and d. a second socket ejector arm retainer constructed in said second socket ejector arm, said second socket ejector arm retainer constructed in a configuration adapted to nestle in said second socket ejector arm detent.
Claim 7
Dependent Claim
18 words
The invention of claim 1 including a spring loaded ball detent member mounted in said socket engaging stud.
Claim 8
Dependent Claim
18 words
The invention of claim 2 including a spring loaded ball detent member mounted in said socket engaging stud.
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |