US3720082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination padlock
Assignee: Kidde Inc
•
Filing: 1971-09-13
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Granted: 1973-03-13
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Expires: 1991-09-13
Abstract
Abstract A combination padlock of the multiple dial type is constructed so that manipulation of the essential shackle enables changing or setting the combination, thereby eliminating additional elements to accomplish this function.
Inventors
- 👤 I Feinberg
- 👤 H Heine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:25
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/02; E05B37/025; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/417; Y10T70/422; Y10T70/424; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726; Y10T70/7305; Y10T70/7322; Y10T70/7328; Y10T70/7339
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
239 words
A combination padlock comprising a body having an internal cavity and a plurality of spaced slots in communication with the cavity, a dial positioned in each slot, a shackle movable to a first open position, a second closed position, and a third combination changing position, the shackle having a long portion and a short portion, the long portion extending into said internal cavity, means at one end of the body to receive the end of the short portion in the closed position of the shackle, a sleeve for each dial rotatably mounted on said long portion with the sleeves in abutting, end to end relation, means securing the sleeves against linear movement on said long portion while allowing the shackle to be rotated with respect to the sleeves, cooperable means provided by each dial and its respective sleeve to separably key them to one another, spaced blocking means provided by the body cooperable with each sleeve to prevent movement of the shackle, the sleeves having means for by-passing said blocking means to allow linear movement of the shackle and the sleeves therewith outwardly of the body to said first position; inwardly to said second position, and further inwardly to said third position, the rotation of the shackle about the axis of the long portion to where the axis of the short portion is located outside the perimeter of the body permitting the further inward movement to the third position.
Claim 2
Dependent Claim
239 words
A combination padlock comprising a body having an internal cavity and a plurality of spaced slots in communication with the cavity, a dial positioned in each slot, a shackle movable to a first open position, a second closed position, and a third combination changing position, the shackle having a long portion and a short portion, the long portion extending into said internal cavity, means at one end of the body to receive the end of the short portion in the closed position of the shackle, a sleeve for each dial rotatably mounted on said long portion with the sleeves in abutting, end to end relation, means securing the sleeves against linear movement on said long portion while allowing the shackle to be rotated with respect to the sleeves, cooperable means provided by each dial and its respective sleeve to separably key them to one another, spaced blocking means provided by the body cooperable with each sleeve to prevent movement of the shackle, the sleeves having means for by-passing said blocking means to allow linear movement of the shackle and the sleeves therewith outwardly of the body to said first position; inwardly to said second position, and further inwardly to said third position, the rotation of the shackle about the axis of the long portion to where the axis of the short portion is located outside the perimeter of the body permitting the further inward movement to the third position.
Claim 3
Dependent Claim
239 words
A combination padlock comprising a body having an internal cavity and a plurality of spaced slots in communication with the cavity, a dial positioned in each slot, a shackle movable to a first open position, a second closed position, and a third combination changing position, the shackle having a long portion and a short portion, the long portion extending into said internal cavity, means at one end of the body to receive the end of the short portion in the closed position of the shackle, a sleeve for each dial rotatably mounted on said long portion with the sleeves in abutting, end to end relation, means securing the sleeves against linear movement on said long portion while allowing the shackle to be rotated with respect to the sleeves, cooperable means provided by each dial and its respective sleeve to separably key them to one another, spaced blocking means provided by the body cooperable with each sleeve to prevent movement of the shackle, the sleeves having means for by-passing said blocking means to allow linear movement of the shackle and the sleeves therewith outwardly of the body to said first position; inwardly to said second position, and further inwardly to said third position, the rotation of the shackle about the axis of the long portion to where the axis of the short portion is located outside the perimeter of the body permitting the further inward movement to the third position.
Claim 4
Dependent Claim
239 words
A combination padlock comprising a body having an internal cavity and a plurality of spaced slots in communication with the cavity, a dial positioned in each slot, a shackle movable to a first open position, a second closed position, and a third combination changing position, the shackle having a long portion and a short portion, the long portion extending into said internal cavity, means at one end of the body to receive the end of the short portion in the closed position of the shackle, a sleeve for each dial rotatably mounted on said long portion with the sleeves in abutting, end to end relation, means securing the sleeves against linear movement on said long portion while allowing the shackle to be rotated with respect to the sleeves, cooperable means provided by each dial and its respective sleeve to separably key them to one another, spaced blocking means provided by the body cooperable with each sleeve to prevent movement of the shackle, the sleeves having means for by-passing said blocking means to allow linear movement of the shackle and the sleeves therewith outwardly of the body to said first position; inwardly to said second position, and further inwardly to said third position, the rotation of the shackle about the axis of the long portion to where the axis of the short portion is located outside the perimeter of the body permitting the further inward movement to the third position.
Claim 5
Dependent Claim
66 words
A combination padlock according to claim 1 wherein the means provided by each dial and its respective sleeve to separably key them to one another comprises a sleeve having a shank portion and a portion having teeth, the dial having grooves on its internal diameter to receive the teeth, a tooth on a sleeve being cooperable with a blocking means to prevent movement of the shackle.
Claim 6
Dependent Claim
38 words
A combination padlock according to claim 2 wherein the means for by-passing said blocking means comprises a by-pass segment within the portion having teeth, the segment having a diameter substantially equal to the diameter of said shank portion.
Claim 7
Dependent Claim
52 words
A combination padlock according to claim 3 wherein the spaced blocking means comprises a plurality of projections cooperable with the teeth and the by-pass segments; and wherein an additional projection provided by the body is in alignment with the aforementioned projections and is cooperable with the by-pass segment of the adjoining sleeve.
Claim 8
Dependent Claim
23 words
A combination padlock according to claim 1 including a spring member cooperable with the free end of the long portion of the shackle.
Claim 9
Dependent Claim
78 words
A combination padlock according to claim 1 wherein the body has an opening in communication with the cavity, a rib on the long portion of the shackle, and a pair of notches in communication with said opening to allow selective passage of the rib in the movement of the shackle from the first open position to the third combination changing position and vice versa, and from the first open position to the second closed position and vice versa.
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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |