Method and apparatus for pulling a nose plug from a lock

Details Method and apparatus for pulling a nose plug from a lock Method and apparatus for pulling a nose plug from a lock

1987-01-29

1987-11-24

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Disassembling

29258, 29804, 70337, 70371, B23P 1902

Patent

active

047079037

ABSTRACT:
A nose plug puller for a Mosler type lock allows the nose plug to be pulled without damaging the nose plug or the lock, thereby saving time and cost. A key pin is inserted in the key slot and rotated until the end thereof is out of registry with the key slot. The key pin is then shifted radially outwardly to allow a pull shaft to be inserted in the key slot. The key pin is then shifted toward the center of the nose plug into force transmitting engagement with the pull shaft. An outward force is applied to the pull shaft and, acting through the key pin, pulls the nose plug out of press fit with the cam operating the wafers.

REFERENCES:
patent: 93911 (1869-08-01), Searle
patent: 1665015 (1928-04-01), Benham
patent: 3599311 (1971-08-01), Ellis
patent: 3619887 (1971-11-01), McLaughlin
patent: 3816899 (1974-06-01), Kitts
patent: 3837196 (1974-09-01), Gartner et al.
patent: 4059883 (1977-11-01), Osborne
patent: 4261093 (1981-04-01), Steffen et al.
patent: 4307983 (1981-12-01), Blough et al.
patent: 4361944 (1982-12-01), Hamilton
patent: 4586233 (1986-05-01), Markisello

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