Adaptor spindle

Details Adaptor spindle Adaptor spindle

1996-05-24

1997-11-11

Lindsey, Rodney M.

Closure fasteners

Latch spindles

292348, E05B 300

Patent

active

056855842

ABSTRACT:
An adaptor spindle having a square cross-sectional center, dimensioned to fit and operate a standard European lock set, eight-sided opposed ends, formed to accept standard American door knobs and levers, and a tension pin, for centering the adaptor spindle in the lock set during assembly and for preventing tampering with the lock set.

REFERENCES:
patent: 18911 (1857-12-01), Kellogg
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patent: 467039 (1892-01-01), Mathesen
patent: 481519 (1892-08-01), Ashley
patent: 714466 (1902-11-01), Fader
patent: 1015765 (1912-01-01), Spring
patent: 1308325 (1919-07-01), Bird
patent: 1414207 (1922-04-01), Reed
patent: 1970758 (1934-08-01), Lyons et al.
patent: 2128144 (1938-08-01), Heinen
patent: 2134096 (1938-10-01), Andrie
patent: 2702204 (1955-02-01), Collier
patent: 4123097 (1978-10-01), Allemann
patent: 4183565 (1980-01-01), Allemann
patent: 4667994 (1987-05-01), Foshee
patent: 4728133 (1988-03-01), Valley

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