US3711140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cabinet door latch
Assignee: INTERNATIONAL FOODSERVICE EQUIPMENT SYSTEMS Inc A CORP OF
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Filing: 1971-04-09
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Granted: 1973-01-16
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Expires: 1991-04-09
Abstract
Abstract This device is intended for readily latching and releasing the door of a cabinet, particularly of a portable cabinet such as used commercially in restaurants, bakeries, cafeterias, hospitals, etc., with removable racks or trays. It consists of a keeper plate which is secured to the side of the latch door jamb and a raised boss for cooperating with a complimentary aperture in a latch plate member which is secured in cooperating position on the door. The latch plate member consists of an angle iron member, one angle face of which is secured on the front face of the door with its other angle face abutting the edge face of the door and having a stepped latch plate extending therefrom, with a boss cooperating aperture, and sliding over the boss on the keeper plate by means of an angle lip, which lip terminates in a tongue handle for manually lifting the latch plate to release position when opening the door.
Inventors
- 👤 B Onori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:00
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; E05C19/063; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0895; Y10T292/0902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
247 words
A door latch assembly (10) for use on a container (16) having a door (12) hinged (20, 22) to one door jamb of the container and latchable to the other door jamb (14), the vertical surface (24) of the door (12) in closed position abutting the front surface (26) of the latching jamb (14), and the end edge surface (28) of the door (12) substantially aligning with the outer side surface (30) of said latching door jamb (14); the improvement comprising a keeper plate member (32) having an elongate, narrow, vertically extending boss (34) extending outwardly from the outer surface thereof (32) in combination with a right angle latch member (40), one leg (42) of said right angle latch member (40) providing a mounting member, a latch plate (52) connected to the end of the other leg (48) of said right angle latch member (40) in offset and parallel relation thereto by a step (50) complementary to the thickness of said keeper plate member (32), said latch plate (52) having an elongate aperture (54) therein complementary to said keeper plate boss (34), a lip (56) angled outwardly from said latch plate (52) for sliding over said boss (34) and lifting said apertured latch plate (52) over said boss (34) as the door (12) is moved to the closed position, and a handle tongue (58) extending from said lip (56) for manually lifting said latch plate (54) to release position for permitting the door (12) to be opened.
Claim 2
Dependent Claim
247 words
A door latch assembly (10) for use on a container (16) having a door (12) hinged (20, 22) to one door jamb of the container and latchable to the other door jamb (14), the vertical surface (24) of the door (12) in closed position abutting the front surface (26) of the latching jamb (14), and the end edge surface (28) of the door (12) substantially aligning with the outer side surface (30) of said latching door jamb (14); the improvement comprising a keeper plate member (32) having an elongate, narrow, vertically extending boss (34) extending outwardly from the outer surface thereof (32) in combination with a right angle latch member (40), one leg (42) of said right angle latch member (40) providing a mounting member, a latch plate (52) connected to the end of the other leg (48) of said right angle latch member (40) in offset and parallel relation thereto by a step (50) complementary to the thickness of said keeper plate member (32), said latch plate (52) having an elongate aperture (54) therein complementary to said keeper plate boss (34), a lip (56) angled outwardly from said latch plate (52) for sliding over said boss (34) and lifting said apertured latch plate (52) over said boss (34) as the door (12) is moved to the closed position, and a handle tongue (58) extending from said lip (56) for manually lifting said latch plate (54) to release position for permitting the door (12) to be opened.
References Cited (Backward Citations)
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US333405A
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US1412176A
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US1732940A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |