US3766758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination padlock
Assignee: Kidde Inc
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Filing: 1972-08-24
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Granted: 1973-10-23
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Expires: 1992-08-24
Abstract
Abstract A combination padlock of the multiple dial type is provided with a cam at the end of the long portion of the essential shackle for cooperation with the sleeves for the dials to enable setting or changing the combination. Also, the elements of the padlock are so related to one another that the device is suitable for heavy duty usage including the permanent connection thereto of a chain without increasing the size of the device to any appreciable degree.
Inventors
- 👤 H Heine
- 👤 R Wingert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:34
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; Y10T70/7322; Y10T70/7328; Y10T70/7339
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
219 words
A combination padlock comprising a body having an internal cavity and a plurality of spaced slots in communication with the cavity, a shaft mounted for reciprocation within the cavity, a dial positioned in each slot, a sleeve for each dial mounted on the shaft with the sleeves in abutting, end-to-end relationship, each sleeve having a flange and a flat portion, cooperable means provided by each dial and its respective sleeve for keying them together, spring means normally urging the sleeves into keyed relationship with their respective dials, a bolt, means for normally resiliently maintaining the bolt against the sleeves, a shackle having a long portion and a short portion, the long portion extending into said internal cavity, the shaft and the long portion of the shackle lying substantially in the same plane with the longitudinal axis of the long portion extending perpendicular to the longitudinal axis of the shaft, cooperable means provided by the shackle and the bolt whereby the shackle is prevented from longitudinal movement when the bolt is displaced by a flange on a sleeve in the closed position of the shackle, and cam means at the free end of the long portion of the shackle for cooperation with the end of the shaft to disengage the sleeves from their respective dials to enable changing the combination.
Claim 2
Dependent Claim
219 words
A combination padlock comprising a body having an internal cavity and a plurality of spaced slots in communication with the cavity, a shaft mounted for reciprocation within the cavity, a dial positioned in each slot, a sleeve for each dial mounted on the shaft with the sleeves in abutting, end-to-end relationship, each sleeve having a flange and a flat portion, cooperable means provided by each dial and its respective sleeve for keying them together, spring means normally urging the sleeves into keyed relationship with their respective dials, a bolt, means for normally resiliently maintaining the bolt against the sleeves, a shackle having a long portion and a short portion, the long portion extending into said internal cavity, the shaft and the long portion of the shackle lying substantially in the same plane with the longitudinal axis of the long portion extending perpendicular to the longitudinal axis of the shaft, cooperable means provided by the shackle and the bolt whereby the shackle is prevented from longitudinal movement when the bolt is displaced by a flange on a sleeve in the closed position of the shackle, and cam means at the free end of the long portion of the shackle for cooperation with the end of the shaft to disengage the sleeves from their respective dials to enable changing the combination.
Claim 3
Dependent Claim
58 words
A combination padlock according to claim 1, wherein the long portion of the shackle is moveable in a direction parallel to the longitudinal axis thereof and the shackle is rotatable about the longitudinal axis of its long portion, the cam means being cooperable with the end of the shaft in a selected rotated position of said long portion.
Claim 4
Dependent Claim
61 words
A combination padlock according to claim 2, wherein the cam means comprises a flat section at the end of the otherwise substantially round cross section of the shackle''s long portion, the end of the shaft providing an obstacle preventing inward movement of the shackle except when the flat section is oriented with a face thereof opposite the end of the shaft.
Claim 5
Dependent Claim
43 words
A combination padlock according to claim 3, including spring means and cooperable means provided by the long portion of the shackle to resiliently maintain the shackle in selected position when moved in a direction parallel to the longitudinal axis of the long portion.
Claim 6
Dependent Claim
118 words
A combination padlock according to claim 1, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
Claim 7
Dependent Claim
53 words
A combination padlock according to claim 5, wherein the means connecting the body members comprises a connecting stud integral with one casing member, the free end of the connecting stud extending through an opening in the other body member; and wherein the end link of the chain has the connecting stud extended therethrough.
Claim 8
Dependent Claim
118 words
A combination padlock according to claim 2, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
Claim 9
Dependent Claim
118 words
A combination padlock according to claim 3, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
Claim 10
Dependent Claim
118 words
A combination padlock according to claim 4, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening, a chain having one end thereof secured within the body and extending out from said opening, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
Claim 11
Dependent Claim
149 words
A combination padlock according to claim 2, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members including a connecting stud integral with one body member, the free end of the stud extending through an opening in the other body member, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening adjacent to said connecting stud, a chain having its end link positioned within the opening and the connecting stud extended through the link, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
Claim 12
Dependent Claim
149 words
A combination padlock according to claim 3, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members including a connecting stud integral with one body member, the free end of the stud extending through an opening in the other body member, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening adjacent to said connecting stud, a chain having its end link positioned within the opening and the connecting stud extended through the link, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
Claim 13
Dependent Claim
149 words
A combination padlock according to claim 4, wherein the body comprises a pair of body members each having a face portion, opposite side portions and opposite end portions, and means connecting the body members including a connecting stuD integral with one body member, the free end of the stud extending through an opening in the other body member, said plurality of spaced slots being provided in one of said face portions, one end of the body having an opening adjacent to said connecting stud, a chain having its end link positioned within the opening and the connecting stud extended through the link, the opposite end of the body being provided with an opening to allow the long portion of the shackle to extend therethrough and into the cavity and having means to receive the end of the short portion of the shackle in the closed position of the shackle.
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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |