US3830535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure
Assignee: AJAX HARDWARE CORP
•
Filing: 1973-03-29
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Granted: 1974-08-20
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Expires: 1993-03-29
Abstract
Abstract A closure for utilization with doors for vehicles or cabinets and the like wherein a positive latching function is obtained by unique design of the components making up the closure which is practically maintenance free, easily and economically produced and wherein a simple pulling movement unlatches the closure and permits opening of a door with which it is used in a single movement.
Inventors
- 👤 G Read
- 👤 F Tintary
- 👤 Shane R Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:38
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/14; Y; Y10; Y10S; Y10S292/00; Y10S292/38; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0976; Y10T292/57; Y10T292/62
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
149 words
A closure comprising the combination of a housing member having spaced, opposed walls forming a guide path and being provided with mounting means comprising tab portion cut outs of said spaced, opposed walls to affix said closure; a latch member captively disposed within said housing for linear movement along said guide path and having one end adapted to engage a cooperating strike and having a V-like shaped and curvilinear cam surface portion, said one end of said latch member normally projecting exteriorly of said housing and being quadrant-shaped; a pull member having an actuator portion disposed adjacent said cam surface portion and being adapted for movement normal to said guide path; and resilient means to urge said latch member to a terminus of said guide path, said cam surface portion coacting with said actuator portion of said pull member to retract said latch member inwardly of said housing member.
Claim 2
Dependent Claim
149 words
A closure comprising the combination of a housing member having spaced, opposed walls forming a guide path and being provided with mounting means comprising tab portion cut outs of said spaced, opposed walls to affix said closure; a latch member captively disposed within said housing for linear movement along said guide path and having one end adapted to engage a cooperating strike and having a V-like shaped and curvilinear cam surface portion, said one end of said latch member normally projecting exteriorly of said housing and being quadrant-shaped; a pull member having an actuator portion disposed adjacent said cam surface portion and being adapted for movement normal to said guide path; and resilient means to urge said latch member to a terminus of said guide path, said cam surface portion coacting with said actuator portion of said pull member to retract said latch member inwardly of said housing member.
Claim 3
Dependent Claim
25 words
A closure in accordance with claim 1 wherein said housing member has lateral walls coacting with said spaced, opposed walls to form said guide path.
Claim 4
Dependent Claim
25 words
A closure in accordance with claim 2 wherein said housing member has an open end and said one end of said latch member projects therethrough.
Claim 5
Dependent Claim
23 words
A closure in accordance with claim 3 wherein said latch member, in cooperation with said housing member, forms a resilient means retaining area.
Claim 6
Dependent Claim
31 words
A closure in accordance with claim 4 wherein said resilient means retaining area is formed between an end wall of said housing member and an intermediate wall of said latch member.
Claim 7
Dependent Claim
15 words
A closure in accordance with claim 5 wherein said resilient means is a compression spring.
Claim 8
Dependent Claim
21 words
A closure in accordance with claim 6 wherein said housing member is formed of metal and said latch member is plastic.
Claim 9
Dependent Claim
26 words
A closure in accordance with claim 1 wherein said pull member has a stem portion extending through said latch member and a wall of said housing.
Claim 10
Dependent Claim
38 words
A closure in accordance with claim 8 wherein said housing member has at least a pair of opposed walls forming said guide path and have opposed slots forming a track guide for the movement of said pull member.
Claim 11
Dependent Claim
34 words
A closure in accordance with claim 9 wherein the end of said pull member adjacent said stem is T-shaped and the ends of the crossbar of the T are disposed in said opposed slots.
Claim 12
Dependent Claim
21 words
A closure in accordance with claim 10 wherein said pull member is cooperatively guided in said housing by said opposed slots.
Claim 13
Dependent Claim
13 words
A closure in accordance with claim 11 wherein said housing is integrally formed.
Claim 14
Dependent Claim
24 words
A closure in accordance with claim 12 wherein said latch member is prevented from movement outward of said housing member by said pull member.
Claim 15
Dependent Claim
19 words
A closure in accordance with claim 13 wherein said housing member is metal and said latch member is plastic.
Claim 16
Dependent Claim
29 words
A closure in accordance with claim 14 wherein a spring means is positioned within said housing to act against said latch member and an end wall of said housing.
Claim 17
Dependent Claim
39 words
A closure in accordance with claim 15 wherein the terminus of said stem is threaded to receive a knob or pull member whereby said pull member may be moved normal to the path of travel of said latch member.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |