US3850464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slam-latch
Assignee: Individual
•
Filing: 1974-06-03
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Granted: 1974-11-26
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Expires: 1994-06-03
Abstract
Abstract A sliding-action slam latch for securing a door panel, especially a hinged door panel, in closed position is constructed of one piece and is installed in a single opening in the door panel and is self-retained therein. The latch operates by springbiased sliding action to engage the door frame or striker plate. In one form, the spring bias is provided by the resilience of the plastic material of which the latch is made. Modified embodiments are shown in which the spring bias is provided by a separate spring member. Several forms of separate spring members are shown.
Inventors
- 👤 R Bisbing
- 👤 J Vickers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:37
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/10; E05B; E05B15/00; E05B15/16; E05B15/1635; E05B5/00; E05B9/00; E05B9/08; E05B15/04; E05B2015/0472; Y; Y10; Y10S; Y10S292/00; Y10S292/38; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0997
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
257 words
A latch of the sliding-action slam type for installation in an opening in a door panel for releasably retaining said door panel relative to a frame, said latch comprising: a. a latch body having a shaped recess at its forward end for receiving cooperatively the edge of the panel at the forward edge of the panel opening; b. said latch body at its forward end having a first portion which projects forwardly beyond said recess for retaining said latch body in said panel and for guiding said latch body in its back-and-forth sliding movements; c. said latch body at its forward end having a second portion which projects forwardly beyond said first portion, said second portion being adapted to cooperate with said frame when said latch body is in its forward position to maintain said door panel in latched position relative to said frame; d. said latch body having a flexible leg element at its rearward end, the upper end of said leg element being spaced rearwardly from the main portion of said latch body and adapted to flex forwardly during snap-in insertion of the latch body into the panel opening and to thereafter snap back into said spaced position; e. the upper end of said flexible leg element being shaped to receive the rearward edge of the panel opening for spring biasing the latch body forwardly toward latching position; f. the upper end of said leg element being also shaped for engaging the under-surface of the panel for retaining the latch body within said panel opening.
Claim 2
Dependent Claim
257 words
A latch of the sliding-action slam type for installation in an opening in a door panel for releasably retaining said door panel relative to a frame, said latch comprising: a. a latch body having a shaped recess at its forward end for receiving cooperatively the edge of the panel at the forward edge of the panel opening; b. said latch body at its forward end having a first portion which projects forwardly beyond said recess for retaining said latch body in said panel and for guiding said latch body in its back-and-forth sliding movements; c. said latch body at its forward end having a second portion which projects forwardly beyond said first portion, said second portion being adapted to cooperate with said frame when said latch body is in its forward position to maintain said door panel in latched position relative to said frame; d. said latch body having a flexible leg element at its rearward end, the upper end of said leg element being spaced rearwardly from the main portion of said latch body and adapted to flex forwardly during snap-in insertion of the latch body into the panel opening and to thereafter snap back into said spaced position; e. the upper end of said flexible leg element being shaped to receive the rearward edge of the panel opening for spring biasing the latch body forwardly toward latching position; f. the upper end of said leg element being also shaped for engaging the under-surface of the panel for retaining the latch body within said panel opening.
Claim 3
Dependent Claim
29 words
A latch according to claim 1 wherein said flexible leg element is a single element having a retaining protrusion near its upper end and thereabove a panel-edge engaging portion.
Claim 4
Dependent Claim
41 words
A latch according to claim 1 wherein said flexible leg element has a plurality of segments at least one of which engages the under-surface of said panel and at least another of which engages the rear edge of the panel opening.
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |