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US4030795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for electrical plugs
Assignee: Individual
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Filing: 1976-03-05
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Granted: 1977-06-21
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Expires: 1996-03-05
Abstract
Abstract A locking device for male electrical plugs and which includes a body member with slots receptive of the contact making terminals of the electrical plug, first means in the body member projecting into the slots to engage and hold the body member to the contact terminals, and a second means insertable into the slots to hold the first means retracted and allow disassociation of the electrical plug from the body member.
Inventors
- 👤 John A. Niemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:32
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/60
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
127 words
A locking device for use with electrical plugs having extended terminals with holes provided in the ends thereof, and comprising; a body member having slots provided therein and which are receptive of the extended terminals of an electrical plug, a first means provided within said body member and biased to extend within said slots for latching engagement with said terminals upon the alignment of the holes in the ends of said terminals therewith, and a second means for holding said first means in a retracted disposition and allowing for the disassociation of said terminals from said body member, said second means being separate and apart from said body member and formed for insertion in said slots and to extend relatively between said terminals and said first means.
Claim 2
Dependent Claim
127 words
A locking device for use with electrical plugs having extended terminals with holes provided in the ends thereof, and comprising; a body member having slots provided therein and which are receptive of the extended terminals of an electrical plug, a first means provided within said body member and biased to extend within said slots for latching engagement with said terminals upon the alignment of the holes in the ends of said terminals therewith, and a second means for holding said first means in a retracted disposition and allowing for the disassociation of said terminals from said body member, said second means being separate and apart from said body member and formed for insertion in said slots and to extend relatively between said terminals and said first means.
Claim 3
Dependent Claim
37 words
The locking device of claim 1, said first means being formed and disposed for latching engagement with said terminals as only partially inserted within said slots and for retracted engagement therewith as fully inserted within said slots.
Claim 4
Dependent Claim
32 words
The locking device of claim 2, said first means being biased for relatching engagement with said terminals upon movement thereof from a fully inserted to a partially inserted disposition within said slots.
Claim 5
Dependent Claim
49 words
The locking device of claim 3, said first means being formed integrally with said body member and to include latching members disposed closely next adjacent said slots and which extend into said body member from one end thereof and project laterally into said slots relatively between the ends thereof.
Claim 6
Dependent Claim
18 words
The locking device of claim 4, said latching members being provided within said body member between said slots.
Claim 7
Dependent Claim
55 words
The locking device of claim 5, said second means including a U-shaped member separately associated and disassociated with said body member and having the legs thereof relatively sized and spaced for close fitted insertion within said slots between said terminals and said latching members from the end opposite that which is receptive of said terminals.
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) | 1980-06-20 | 1980-12-20 | 1981-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-20 | 1984-12-20 | 1985-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-20 | 1988-12-20 | 1989-06-21 | $7700.00 | Window Closed / Lapsed |