US3718014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burglar-proof locking device
Assignee: Individual
•
Filing: 1971-02-16
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Granted: 1973-02-27
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Expires: 1991-02-16
Abstract
Abstract A burglar-proof locking device for securing, with a conventional padlock, first and second members wherein a padlock-receiving staple is secured to the first member. The device comprises a unitary, hollow, box-like structure having top, front, back and first and second side walls of dimensions suitable for containing the padlock therein. The back wall is adapted to be connected to the second member and has a staple-receiving slot therein. The structure has an open bottom for insertion of the padlock so that it may engage the staple. The structure also has an opening in the front wall thereof which faces and is aligned with the staple-receiving slot for providing access for a padlockactuating key.
Inventors
- 👤 F Delgadillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:21
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/38; Y; Y10; Y10T; Y10T292/00; Y10T292/31; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/493; Y10T70/498; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7921
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
231 words
A locking device for use, in combination with a padlock including a shackle extending from the top thereof and a key hole in the body thereof, in securing first and second members wherein a padlock-receiving staple is secured to said first member, comprising: a unitary, box-like, hollow member having dimensions suitable for containing said padlock therein, said unitary member having a back wall, one portion of said back wall being connected to said second member, another portion of said back wall abutting against said first member, said another portion of said back wall having a staple-receiving slot therein, adjacent the top thereof, said unitary member having top, front, and first and second side walls in addition to said back wall, said structure having an open bottom for insertion of said padlock for engagement with said staple, said structure having an opening in the front wall thereof facing and aligned with said staplereceiving slot in said back wall for providing access for a padlock-actuating key, the height of said member being great enough to require the insertion through said open bottom of a significant portion of a forearm in order to grasp said padlock, the depth of said member being great enough to permit rotation of said padlock to align the bottom thereof with said opening in said front wall when said key hole in said padlock is in the bottom thereof.
Claim 2
Dependent Claim
231 words
A locking device for use, in combination with a padlock including a shackle extending from the top thereof and a key hole in the body thereof, in securing first and second members wherein a padlock-receiving staple is secured to said first member, comprising: a unitary, box-like, hollow member having dimensions suitable for containing said padlock therein, said unitary member having a back wall, one portion of said back wall being connected to said second member, another portion of said back wall abutting against said first member, said another portion of said back wall having a staple-receiving slot therein, adjacent the top thereof, said unitary member having top, front, and first and second side walls in addition to said back wall, said structure having an open bottom for insertion of said padlock for engagement with said staple, said structure having an opening in the front wall thereof facing and aligned with said staplereceiving slot in said back wall for providing access for a padlock-actuating key, the height of said member being great enough to require the insertion through said open bottom of a significant portion of a forearm in order to grasp said padlock, the depth of said member being great enough to permit rotation of said padlock to align the bottom thereof with said opening in said front wall when said key hole in said padlock is in the bottom thereof.
Claim 3
Dependent Claim
228 words
A locking device for use, in combination with a padlock including a shackle extending from the top thereof and a key hole in the body thereof, in securing first and second relatively movable members wherein a conventional staple is secured to said first member, comprising: a planar back plate, one side of said back plate adapted to be connected to said second relatively movable member, the other side of said back plate adapted to abut against said first member and having a slot therein positioned adjacent the top thereof and adapted to receive and straddle said staple, said plate being elongated in a direction parallel to said one and other sides so that said staple and said padlock secured thereto are spaced substantially from the bottom of said back plate; and a housing connected to said back plate and entirely enclosing and surrounding said slot and said staple on the top, sides, and front thereof whereby access to said staple may be gained only through the open, bottom of said housing, said housing having a key-opening in one of the top, sides, or front thereof, said key-opening facing and being aligned with said slot, the dimensions of said housing being great enough to permit rotation of said padlock to align the bottom thereof with said key-opening when said key hole in said padlock is in the bottom thereof.
Claim 4
Dependent Claim
228 words
A locking device for use, in combination with a padlock including a shackle extending from the top thereof and a key hole in the body thereof, in securing first and second relatively movable members wherein a conventional staple is secured to said first member, comprising: a planar back plate, one side of said back plate adapted to be connected to said second relatively movable member, the other side of said back plate adapted to abut against said first member and having a slot therein positioned adjacent the top thereof and adapted to receive and straddle said staple, said plate being elongated in a direction parallel to said one and other sides so that said staple and said padlock secured thereto are spaced substantially from the bottom of said back plate; and a housing connected to said back plate and entirely enclosing and surrounding said slot and said staple on the top, sides, and front thereof whereby access to said staple may be gained only through the open, bottom of said housing, said housing having a key-opening in one of the top, sides, or front thereof, said key-opening facing and being aligned with said slot, the dimensions of said housing being great enough to permit rotation of said padlock to align the bottom thereof with said key-opening when said key hole in said padlock is in the bottom thereof.
Claim 5
Dependent Claim
17 words
A locking device according to claim 1 wherein said key-opening is in the front of said housing.
Claim 6
Dependent Claim
89 words
A locking device according to claim 1 wherein said housing comprises: a top plate connected along and extending outwardly from the top edge of said back plate; first and second side plates connected to and extending outwardly from said back plate, on either side of said slot, the top edges of said side plates being cOnnected to said top plate; and a front plate connected to the outermost edges of said top and side plates whereby access to said staple may be gained through the bottom of said housing.
Claim 7
Dependent Claim
30 words
A locking device according to claim 4 wherein said top plate extends along only that portion of the top edge of said back plate which abuts against said first member.
Claim 8
Dependent Claim
22 words
A locking device according to claim 4 wherein said back, top, front, and first and second side plates are made from steel.
Claim 9
Dependent Claim
39 words
A locking device according to claim 6 wherein said back, top, front, and first and second side plates are welded together and wherein said one side of said back plate is adapted to be welded to said second member.
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) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |