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Title: Externally accessible adjuster for flush latches

Abstract: An externally accessible adjuster, particularly suited for adjusting the tension of a keeper shaft as applied to a hook type latch forming a part of a flush type latch assembly, the keeper shaft being screwthreaded and receiving a screwthreaded wheel having a set of radiating slots exposed in sequence through an access opening formed in the wall of the structure utilizing the flush type latch assembly. Two embodiments are illustrated, either one of which may use an opening which may be arranged to receive the latch handle, or a separate opening; also, either adjuster may be arranged to utilize a helically coiled frictional element or a yieldable detent.


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Inventors: Poe, L. Richard (Long Beach, CA, US)

Application Number: 882173
Filing Date: 1978-03-01
Publication_date: 1980-01-15
Assignee: Hartwell Corporation (Placentia, CA)
Primary Class(es): 292/113 292/DIG31
Other Classes:
US Patent Ref:
1119321Dec, 1914Schmidgall292/341.
1250574Dec, 1917Ferris292/113.
2089163Aug, 1937Hansen292/341.
2710214Jun, 1955Summers292/113.
2712955Jul, 1955Andrews292/113.
2732238Jan, 1956Dornberg292/341.
2904141Sep, 1959Henrichs292/341.
3664696May, 1972Poe292/DIG.
4025096May, 1977Geer292/341.
4040326Aug, 1977Breed151/14.

Other Refs: 461014
Dec, 1949IT

Primary Examiner: Foss, J. Franklin
Assistant Examiner:
Attorney: Lyon & Lyon