Closure fasteners – Bolts – Sliding
Patent
1982-09-03
1985-01-29
Smith, Gary L.
Closure fasteners
Bolts
Sliding
292337, E05C 112, E05B 900
Patent
active
044961782
ABSTRACT:
An extended latch tube housing comprises a standard deep-drawn tubular shell having a front mounting flange and rear end wall, and a coaxial second deep-drawn shell of equal diameter with its end wall fixed to the end wall of the standard shell. The standard shell of the extended housing contains a conventional latch bolt and deadlocking mechansim, and this is actuated by tailpiece means which extends to the rear of the extended housing for connection with the retractor of a cylinder lock chassis. The rear of the extended housing carries ears for connection with such chassis, preferably as part of a back plate which also locates and guides the tailpiece means. With a short housing extension, the tailpiece means may be a lengthened standard tailpiece. With a longer extension, the standard front shell assembly includes a standard tailpiece, and a second standard tailpiece member is attached thereto by a rotatably engaged connector. The back plate guides the second tailpiece member in a fixed orientation so as to maintain the connector in engagement.
REFERENCES:
patent: 309564 (1884-02-01), Best et al.
patent: 2250036 (1941-07-01), Schlage
patent: 2299181 (1942-10-01), Schlage
patent: 2444819 (1948-07-01), Freysinger
patent: 2719744 (1955-10-01), Schlage
patent: 2736597 (1956-02-01), Russell
patent: 2765187 (1956-10-01), Crandell
patent: 2768014 (1956-10-01), Golden et al.
patent: 2822202 (1958-02-01), Welch
patent: 3018651 (1962-01-01), Morrison
patent: 3300240 (1967-01-01), Tornoe et al.
patent: 4318558 (1982-03-01), Best et al.
Best Lock Corporation Catalog, pp. 3.10 and 6.10.
Best Lock Drawing A-53755 and Component Drawings A-53753, A-53754, and A-53814.
Best Walter E.
Foshee William R.
Best Lock Corporation
Illich Russell W.
Smith Gary L.
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