Tools – Receptacle closure remover – Gripping type
Patent
1980-06-27
1981-12-15
Smith, James G.
Tools
Receptacle closure remover
Gripping type
29804, B25B 2700
Patent
active
043053149
ABSTRACT:
A partially cutaway circular cylindrical tool for changing the master pins in an Almont lock is presented. The tool is fixedly coupled at one end along its axis to a handle which may be a key handle. At the opposite end, the tool comprises a plug stop which prevents the tool from going too far into the Almont lock. The partially cutaway circular cylindrical surface defines a master pin slot, two wire slots, a wire slot ridge, a stationary pin slot, and a pin holding cam ridge, which includes a cam adjacent to the master pin slot all parallel to the axis. Perpendicular to the axis and disposed about halfway between the end of the plug stop inserted into the lock and the point of coupling between the handle and the balance of the tool is a perpendicular stationary pin slot which entends between the master pin slot and the stationary pin slot. In operation, the tool is inserted into the Almont lock and rotated so that the master pins, which are wafer tumblers, slide up the master pin slot. The tool is rotated about 90 degrees to the left. A wire is inserted into the first wire slot and the tool is removed, bringing with it the master pins, which just drop out and are retained by the tool. After removing the master pins, the top pins are still in the lock, and are not dropped. The operator next slides a wire back in through a wire slot and removes the pin dropper and then sets up the master pin system and puts the lock together. The lock now has a new set of tumblers matched to the new key.
REFERENCES:
patent: 2309677 (1943-02-01), Segal
patent: 2491288 (1949-12-01), Strangman
patent: 3264908 (1966-08-01), Moore
patent: 3816899 (1974-06-01), Kitts
E & M Enterprises
Smith James G.
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