Handle operated draw latch with safety catch

Details Handle operated draw latch with safety catch Handle operated draw latch with safety catch

1994-07-20

1995-08-29

Kannan, Philip C.

Closure fasteners

Bolts

Loops

292250, 292262, 292282, E05C 1914

Patent

active

054454220

ABSTRACT:
A handle operated, toggle type draw latch assembly is mountable on one of two members and is operable to selectively engage and disengage a latch-engageable formation connected to the other of the two members. The latch assembly includes a complexly configured operating handle that is pivotally connected near one end to a mounting base for movement relative to the base between closed and open positions, that provides a hand grip near its opposite end, and that, at locations between its opposite ends pivotally mounts a drawbar for movement between extended and retracted positions, and defines not only a pair of stops but also a catch-engageable formation. One stop engages the base when the handle is closed. The other stop engages the drawbar when the drawbar is retracted. When the handle is open, the drawbar can be pivoted into and out of extended positions for selectively embracing the latch-engageable formation. If the handle is pivoted to its closed position while the drawbar is extended to embrace the latch-engageable formation, the drawbar exerts force on the latch-engageable formation that tends to draw the two members relatively toward each other. A base-carried safety catch pivots between latched and unlatched positions for receiving and releasably retaining the catch-engageable formation of the handle when the handle is closed. Other features include a selection of drawbar embodiments and a choice of pivotal connections for use in coupling a selected drawbar to the latch handle.

REFERENCES:
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Nielsen Hardware Corp. Catalog (1986) p. 30 Entitled "Adjustable Catch".
De--Sta--Co Advertising Sheet, Series MA50 "Pull Action Clamps," De--Sta--Co Company, Troy, Mich. 48007 (Date Unknown, But is Prior to May of 1992).
De--Sta--Co Catalog "The World of Clamping," pp. 23-28, 42-44 & 49-51, DE--Sta--Co Company, Troy, Mich. 48007 (Believed to Have Been Published Mar., 1993).

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