US4014080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for automatically separating two sections of a strap
Assignee: Individual
•
Filing: 1975-03-13
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Granted: 1977-03-29
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Expires: 1995-03-13
Abstract
Abstract Device for automatically separating two sections of a strap in response to heat or the presence of water comprises a box connected to an end of each section, one end being connected by catch means spring-biased toward its open position, but blocked against movement to the open position by a tablet which disintegrates in response to heat or water.
Inventors
- 👤 Alain Caradec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:46
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/32; B60R22/322; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45461
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
173 words
Device for connecting two strap sections, each of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end members; blocking means blocking release of each end member when said blocking means and end member are in a first position relative to each other but permitting the release of either one of said end members when said one end member and said blocking means are in a second position relative to each other; spring means biasing one of said end members away from said first relative position toward said second relative position; and two tablets, one positioned to prevent movement of each end member away from said first relative position, one of said tablets being adapted to disintegrate in response to a predetermined ambient temperature and the other in response to a predetermined degree of humidity, thereby permitting the end member associated with the disintegrated tablet to move away from said first position and be released from said box.
Claim 2
Dependent Claim
173 words
Device for connecting two strap sections, each of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end members; blocking means blocking release of each end member when said blocking means and end member are in a first position relative to each other but permitting the release of either one of said end members when said one end member and said blocking means are in a second position relative to each other; spring means biasing one of said end members away from said first relative position toward said second relative position; and two tablets, one positioned to prevent movement of each end member away from said first relative position, one of said tablets being adapted to disintegrate in response to a predetermined ambient temperature and the other in response to a predetermined degree of humidity, thereby permitting the end member associated with the disintegrated tablet to move away from said first position and be released from said box.
Claim 3
Dependent Claim
158 words
Device for connecting two strap sections, at least one of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end member; a blocking member blocking release of said end member when said blocking member and end member are in a first position relative to each other but permitting the release of said end member when said members are in a second position relative to each other; spring means biasing one of said members away from said first relative position toward said second relative position; and a tablet positioned to prevent movement of said one member away from said first relative position, said tablet being a composite tablet adapted to disintegrate at a given temperature and at a given degree of humidity, thereby permitting movement of said one member away from said first position and the release of said end member from said box.
Claim 4
Dependent Claim
158 words
Device for connecting two strap sections, at least one of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end member; a blocking member blocking release of said end member when said blocking member and end member are in a first position relative to each other but permitting the release of said end member when said members are in a second position relative to each other; spring means biasing one of said members away from said first relative position toward said second relative position; and a tablet positioned to prevent movement of said one member away from said first relative position, said tablet being a composite tablet adapted to disintegrate at a given temperature and at a given degree of humidity, thereby permitting movement of said one member away from said first position and the release of said end member from said box.
Claim 5
Dependent Claim
247 words
Device for connecting two strap sections, at least one of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end member; a blocking member blocking release of said end member when said blocking member and end member are in a first position relative to each other but permitting the release of said end member when said members are in a second position relative to each other; spring means biasing one of said members away from said first relative position toward said second relative position, and at least one tablet positioned to prevent movement of said one member away from said first relative position, said at least one tablet being adapted to disintegrate in response to predetermined ambient conditions, thereby permitting movement of said one member away from said first position and the release of said end member from said box, said blocking member comprising an end of said box which defines a T-shaped opening, and said end member comprising transverse projecting means located in the box in abutment against the portion of said box end defining the stem of said T-shaped opening when said members are in said first relative position, said projecting means being dimensioned to pass through the transverse part of said T-shaped opening when said strap end is moved from said first position to a second position in which said projecting means is in alignment with said transverse part.
Claim 6
Dependent Claim
247 words
Device for connecting two strap sections, at least one of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end member; a blocking member blocking release of said end member when said blocking member and end member are in a first position relative to each other but permitting the release of said end member when said members are in a second position relative to each other; spring means biasing one of said members away from said first relative position toward said second relative position, and at least one tablet positioned to prevent movement of said one member away from said first relative position, said at least one tablet being adapted to disintegrate in response to predetermined ambient conditions, thereby permitting movement of said one member away from said first position and the release of said end member from said box, said blocking member comprising an end of said box which defines a T-shaped opening, and said end member comprising transverse projecting means located in the box in abutment against the portion of said box end defining the stem of said T-shaped opening when said members are in said first relative position, said projecting means being dimensioned to pass through the transverse part of said T-shaped opening when said strap end is moved from said first position to a second position in which said projecting means is in alignment with said transverse part.
Claim 7
Dependent Claim
269 words
Device for connecting two strap sections, at least one of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end member; a blocking member blocking release of said end member when said blocking member and end member are in a first position relative to each other but permitting the release of said end member when said members are in a second position relative to each other; spring means biasing one of said members away from said first relative position toward said second relative position, and at least one tablet positioned to prevent movement of said one member away from said first relative position, said at least one tablet being adapted to disintegrate in response to predetermined ambient conditions, thereby permitting movement of said one member away from said first position and the release of said end member from said box, said box being provided at one end with a slot for receiving said end member, which end member defines a hole passing therethrough, and said blocking member being a pin attached to a plate located inside the box and pivotally mounted near the other end of the box, said plate being gripped between said at least one tablet and said spring means so that in the first position of said end member said pin traverses said hole, but when said at least one tablet disintegrates, the spring means automatically lifts the plate and releases the pin from the hole in the end of the end member, thus releasing the end member from the box.
Claim 8
Dependent Claim
269 words
Device for connecting two strap sections, at least one of which terminates in an end member, said device being adapted to permit the automatic separation of said sections and comprising: a box receiving said end member; a blocking member blocking release of said end member when said blocking member and end member are in a first position relative to each other but permitting the release of said end member when said members are in a second position relative to each other; spring means biasing one of said members away from said first relative position toward said second relative position, and at least one tablet positioned to prevent movement of said one member away from said first relative position, said at least one tablet being adapted to disintegrate in response to predetermined ambient conditions, thereby permitting movement of said one member away from said first position and the release of said end member from said box, said box being provided at one end with a slot for receiving said end member, which end member defines a hole passing therethrough, and said blocking member being a pin attached to a plate located inside the box and pivotally mounted near the other end of the box, said plate being gripped between said at least one tablet and said spring means so that in the first position of said end member said pin traverses said hole, but when said at least one tablet disintegrates, the spring means automatically lifts the plate and releases the pin from the hole in the end of the end member, thus releasing the end member from the box.
Claim 9
Dependent Claim
35 words
Device as claimed in claim 4 in which said slot has dimensions equal to or slightly greater than those of said end member in order to avoid any gripping during release of said end member.
Claim 10
Dependent Claim
54 words
Device according to claim 4 in which the bottom of the box is provided with a hole so positioned that when a tablet and the strap end having a hole therein are in place in the box, the pin fixed to the plate passes through the strap end and the bottom of the box.
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) | 1980-03-28 | 1980-09-27 | 1981-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-28 | 1984-09-27 | 1985-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-28 | 1988-09-27 | 1989-03-29 | $7700.00 | Window Closed / Lapsed |