Closure fasteners – Bolts – Swinging
Patent
1981-06-18
1984-03-27
Smith, Gary L.
Closure fasteners
Bolts
Swinging
70149, 70208, 292173, 292207, 292217, 292DIG31, E05C 326, E05B 1310
Patent
active
044389647
ABSTRACT:
A rotary latch mechanism for engaging a latch post, for example to latch a vehicle door to its frame. The latch mechanism comprises a rotating cam having a recess to engage or release the latch post. A torsion spring or the like biases the cam for rotation toward the position in which it releases the latch post. A latch bar sliding perpendicular to the plane of rotation of the cam is biased for slidably engaging an abutment on the cam to latch the cam in its engaged position. A handle or other release is provided to retract the latch bar, freeing the cam for rotation to its disengaged position. The mechanism is quite simple and requires only a few moving parts, yet it provides the same functions as other more complex latch mechanisms.
REFERENCES:
patent: 157668 (1874-12-01), Allen et al.
patent: 2634147 (1953-04-01), Robertson
patent: 2668076 (1954-02-01), Troche et al.
patent: 2676047 (1954-04-01), Gould
patent: 2767007 (1953-06-01), Burke
patent: 3668907 (1972-06-01), Pastva
patent: 3709537 (1973-01-01), Kazaoka et al.
patent: 3767243 (1973-10-01), Yoshimura
Illich R.
Pierce Manufacturing Inc.
Smith Gary L.
Wheeler Allan B.
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