Closure fasteners – Bolts – Spring arm
Patent
1979-06-15
1981-07-28
Moore, Richard E.
Closure fasteners
Bolts
Spring arm
E05C 1906
Patent
active
042807247
ABSTRACT:
A one piece spring latch having a camming surface engageable by the edge of a cooperating latching aperture to deflect the latch element until it passes through the aperture to latching position, the latch element then snapping into overlying latching engagement with the material forming the bounding edge of the latching aperture.
The latch is particularly suitable for latching together substantially co-planar panels disposed closely adjacent to one another, as for example the diffuser frame and housing of a fluorescent lighting fixture, a portion of the latching device being of thin cross section and extending between the edges of the panels so that very little clearance between the adjacent panel edges is required. The latch includes release tabs which are physically small and are easily operable by finger pressure. The latch element is securable by means of a single fastener and includes a tail projection which is extendable through a cooperating aperture to render the latch element non-rotatable if the fastener element should become loosened so that the latch element cannot jam or twist under extended use conditions.
REFERENCES:
patent: 417619 (1889-12-01), Woodard
patent: 2007866 (1935-07-01), Lang
patent: 2084717 (1937-06-01), Wiley
patent: 2144885 (1939-01-01), MacFadden
patent: 2159445 (1939-05-01), Murphy
patent: 2451591 (1948-10-01), Tinnerman et al.
patent: 2520725 (1950-08-01), Judd
patent: 2698472 (1955-01-01), Knohl
patent: 2809413 (1957-10-01), Wootton
patent: 3063115 (1962-11-01), Van Buren, Jr.
patent: 3205546 (1965-09-01), Nelson
patent: 3556572 (1971-01-01), Olsson
Keystone Lighting Corp.
Moore Richard E.
Udell Walter B.
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