US4022504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch receptacle
Assignee: Illinois Tool Works Inc
•
Filing: 1976-03-15
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Granted: 1977-05-10
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Expires: 1996-03-15
Abstract
Abstract A one-piece plastic latch receptacle mounted in an apertured panel and adapted to accept a shouldered strike. The latch includes a resilient oval tubular portion supported in spaced independently flexible relation to both the head and mounting legs and carries at least one shouldered rib positioned along each major dimension of the oval for engagement of the strike at a plurality of positions.
Inventors
- 👤 Bruce W. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:38
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; Y; Y10; Y10S; Y10S292/00; Y10S292/38; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817; Y10T292/082; Y10T292/0876; Y10T292/088; Y10T292/68
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
290 words
A one-piece plastic latch adapted to project through and be axially telescoped into and mounted in an opening in a panel and adapted to receive in said latch a projecting strike, said latch including an apertured head, a pair of spaced retaining legs extending axially from said head, said legs each having engaging means spaced from and in opposition to the head for engaging the panel, an oval axially disposed resilient tubular means located between and in spaced relation to said legs and spaced from said head and having an open oval bore positioned in alignment with said head aperture, said tubular means being supported in spaced relation to said head and legs by one or more spaced support means located at each of the opposite end walls of said oval tubular means, spaced means positioned within said tubular means for impinging on the strike when it projects through said head aperture into said tubular means, said tubular means being substantially flat along its elongated side walls which are interconnected by curved end walls, said support means including axially extending flanges which are angularly disposed relative to the long axis of said oval with at least one flange extending outwardly from adjacent an axial line on each of the curved end walls where each said curved end wall meets one of said elongated side walls, the end of said flanges having a limited connection to said head whereby said flanges can absorb a tortional stress at said connection thereby permitting deformation of said tubular member at its curved end walls as well as its elongated side walls during insertion of said strike, but said flanges maintaining the tubular means in relatively fixed spaced relation to said head and said legs.
Claim 2
Dependent Claim
290 words
A one-piece plastic latch adapted to project through and be axially telescoped into and mounted in an opening in a panel and adapted to receive in said latch a projecting strike, said latch including an apertured head, a pair of spaced retaining legs extending axially from said head, said legs each having engaging means spaced from and in opposition to the head for engaging the panel, an oval axially disposed resilient tubular means located between and in spaced relation to said legs and spaced from said head and having an open oval bore positioned in alignment with said head aperture, said tubular means being supported in spaced relation to said head and legs by one or more spaced support means located at each of the opposite end walls of said oval tubular means, spaced means positioned within said tubular means for impinging on the strike when it projects through said head aperture into said tubular means, said tubular means being substantially flat along its elongated side walls which are interconnected by curved end walls, said support means including axially extending flanges which are angularly disposed relative to the long axis of said oval with at least one flange extending outwardly from adjacent an axial line on each of the curved end walls where each said curved end wall meets one of said elongated side walls, the end of said flanges having a limited connection to said head whereby said flanges can absorb a tortional stress at said connection thereby permitting deformation of said tubular member at its curved end walls as well as its elongated side walls during insertion of said strike, but said flanges maintaining the tubular means in relatively fixed spaced relation to said head and said legs.
Claim 3
Dependent Claim
40 words
A plastic latch of the type claimed in claim 1 wherein said spaced means positioned within said tubular means includes at least one axially disposed rib extending into said oval bore from each opposed elongated wall of said tubular means.
Claim 4
Dependent Claim
52 words
A plastic latch of the type claimed in claim 2 wherein each of said ribs taper outwardly from their juncture with the wall of said bore adjacent said head to a point spaced from said head where they taper inwardly toward said wall to form shoulder means for resiliently engaging said strike.
Claim 5
Dependent Claim
48 words
A plastic latch of the type claimed in claim 3 wherein there are a plurality of transversely spaced ribs disposed on each elongated side wall forming said bore whereby said strike is afforded a plurality of positions within the resilient oval bore at which it can be accommodated.
Claim 6
Dependent Claim
48 words
A plastic latch of the type claimed in claim 3 wherein said portion of the rib which tapers out from the side wall presents a first surface having edges which diverge from each other in the direction from the juncture with the side wall towards said shoulder means.
Claim 7
Dependent Claim
50 words
A plastic latch of the type claimed in claim 5 wherein said first surface is generally triangular in shape and is joined to the tubular side wall by tapered sloping second surfaces, said first and second surfaces forming a substantially semi-pyramidal configuration on the rib down to said shoulder means.
Claim 8
Dependent Claim
75 words
A plastic latch of the type claimed in claim 1 wherein the free longitudinal edge of each of said flanges is tapered outwardly in a direction away from the free end of said latch entering the apertured panel to a point spaced from the head and then extends parallel to the axis of the latch up to the head to provide a bearing surface and locating means for positioning the latch in the panel aperture.
Claim 9
Dependent Claim
49 words
A plastic latch of the type claimed in claim 1 wherein said axially extending flanges are four in number and are angularly disposed relative to the latch axis with two flanges extending outwardly from adjacent the juncture of each of the curved end walls with said elongated side walls.
Claim 10
Dependent Claim
64 words
A plastic latch of the type claimed in claim 8 wherein said legs are each positioned between adjacent pairs of flanges located at opposite ends of said oval tubular means, said legs engaging means including a tapered lead-in and a intermediate shoulder means, said shoulder means extending laterally beyond said locating means whereby said latch is capable of limited float within the panel aperture.
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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) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |