US3585827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Security lock
Assignee: Individual
•
Filing: 1970-03-05
•
Granted: 1971-06-22
•
Expires: 1990-03-05
Abstract
Abstract The present invention provides a security lock for door locks which includes a knob member. A casing, preferably including a spring-biased cover is adapted to accept the knob portion of the lock therein with the casing secured in fixed position by an elongated portion extending from the casing which is firmly emplaced. The present invention further includes adjustment means so that the orientation of the casing and the securing portion can be adapted for use with locks having knobs of different locked positions and arrangements where the door handle and knob member are at various orientations to each other.
Inventors
- 👤 Domingo Dominguez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:31
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/04; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7915
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
101 words
A security locking device for a door lock having a shaft mounted pivotal actuating knob comprising, a knob retention member including a substantially hollow casing having an opening along one side thereof, said casing having internal dimensions slightly in excess of the periphery dimensions of said actuating knob, said casing adapted to receive said actuating knob therein, said casing including cover means for said opening, said cover means in closed position adapted to fit about said knob shaft and means to link said knob retention portion to a door portion buttressed against torsional movement of said shaft mounted pivotal actuating knob.
Claim 2
Dependent Claim
101 words
A security locking device for a door lock having a shaft mounted pivotal actuating knob comprising, a knob retention member including a substantially hollow casing having an opening along one side thereof, said casing having internal dimensions slightly in excess of the periphery dimensions of said actuating knob, said casing adapted to receive said actuating knob therein, said casing including cover means for said opening, said cover means in closed position adapted to fit about said knob shaft and means to link said knob retention portion to a door portion buttressed against torsional movement of said shaft mounted pivotal actuating knob.
Claim 3
Dependent Claim
20 words
The invention as claimed in claim 1 wherein said cover is spring biased to a closed position on said casing.
Claim 4
Dependent Claim
44 words
The invention as claimed in claim 1 wherein said cover includes a first section adapted to overlie one side of said Casing and a second section at substantially a right angle to said first section adapted to overlie a portion of said casing opening.
Claim 5
Dependent Claim
83 words
The invention as claimed in claim 3 further comprising cover mounting means, said cover mounting means including at least one vertical post on said first section of said cover means, said vertical post extending through said casing; a moveable retention member vertically aligned for reciprocal movement within said casing; said vertical post fixedly mounted to said retention member; and spring means within said casing adapted to bias said retention member away from said side of said casing juxtaposed to said first cover section.
Claim 6
Dependent Claim
22 words
The invention as claimed in claim 4 wherein said retention member is of a height greater than the width of said casing.
Claim 7
Dependent Claim
31 words
The invention as claimed in claim 1 wherein said casing includes a cutaway area on each of two opposed sides thereof, said cutaway areas juxtaposed to said opening on said casing.
Claim 8
Dependent Claim
52 words
The invention of claim 1 including means to link said knob retention portion to a door handle, said linking means including an elongated forked member fixedly mounted to said knob retention portion, said forked member adapted to fit about a portion of said door handle to deter rotational movement of said casing.
Claim 9
Dependent Claim
14 words
The invention as claimed in claim 7 wherein said elongated forked member is arcuate.
Claim 10
Dependent Claim
20 words
The invention as claimed in claim 8 including means to adjustably affix said elongated member to said knob retention member.
Claim 11
Dependent Claim
50 words
The invention as claimed in claim 9 wherein said adjustable affixation means includes a flanged portion on a side of said casing, a mated opening on said elongated member adapted to receive said flanged portion therein and securing means adapted to secure said knob retention member and said elongated member.
Claim 12
Dependent Claim
17 words
The invention as claimed in claim 7 further including a flexible strap on said security locking device.
Claim 13
Dependent Claim
25 words
The invention of claim 1 including means to link said knob retention portion to a door edge said linking means including an elongated L-shaped member.
Claim 14
Dependent Claim
12 words
The invention of claim 12 wherein said L-shaped member is longitudinally adjustable.
Claim 15
Dependent Claim
18 words
The invention of claim 13 including means to adjustably affix said L-shaped member to said knob retention member.
Claim 16
Dependent Claim
48 words
The invention of claim 14 wherein said adjustable affixation means includes a flanged portion on one side of said casing, a mated opening on said L-shaped member adapted to receive said flanged portion therein and securing means adapted to secure said knob retention member and said L-shaped member.
References Cited (Backward Citations)
US1367813A
Cited
US1700135A
Cited
US2463195A
Cited
US2883850A
Cited
US3263462A
Cited
US3423974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |