Closure fasteners – Bolts – Swinging
Patent
1985-09-30
1987-07-14
Moore, Richard E.
Closure fasteners
Bolts
Swinging
E05C 306
Patent
active
046798358
ABSTRACT:
A cabinet latch has a generally cylindrical body that is mountable on a closure panel or the like. A passage is formed through the body along a center axis, and opens through forward and rearward end regions of the body. Operating components are protectively nested within the body passage, including a primary operating element that is formed as a three-piece assembly including a generally cylindrical tool-receiving core and a pair of semi-circular sleeve halves that are journaled for rotation within the forward end region of the body passage. An elongate shank has a portion that projects from the rearward end of the body passage and carries a pawl. The shank and the pawl are rotatable about and movable axially along the center axis to position the pawl among unlatched, latched and latched-clamped positions for selectively releasing, retaining, and securely clamping the closure in a closed position relative to an associated cabinet or the like. Movement of the pawl is effected in response to rotation of the primary operating element, and is controlled by the interactive operating components that are carried within the body passage. A half turn rotation of the primary operating element in one direction of rotation causes the pawl to move in sequence (1) by rotating a quarter turn about the center axis from an unlatched position to a latched position, and (2) by translating axially along the center axis from the latched position to a latched-clamped position. A half turn rotation of the primary operating element in the opposite direction reverses the pawl's movements. A snap ring holds the operating components in place within the body.
REFERENCES:
patent: 19588 (1858-03-01), Scripture
patent: 366756 (1887-07-01), Barnes
patent: 1907625 (1933-05-01), Vogt
patent: 2269264 (1942-01-01), Haim
patent: 2581816 (1952-01-01), Schlueter
patent: 3402958 (1968-09-01), Barry
patent: 4556244 (1985-12-01), Bisbing
Vargus Joel T.
Weinerman Lee S.
Burge David A.
Moore Richard E.
The Eastern Company
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