Broken key extractor

Details Broken key extractor Broken key extractor

1999-02-22

2000-04-25

Watson, Robert C.

Metal working

Means to assemble or disassemble

Means comprising hand manipulatable tool

29278, B25B 2700

Patent

active

060528834

ABSTRACT:
An extractor for removing inaccessible broken key portions from keyways of tumbler locks wherein the extractor tool consists of a pair of thin elongated elements capable of being inserted into the lock on opposite sides of the broken key end portion and wherein twisting of the elements grips the broken key end to permit extraction from the lock. Extraction is aided by a pliers-like spreader tool having thin jaws inserted into the lock keyway for retracting lock tumblers, the dust shutter door and buzzer electric switches to prevent such items from interfering with the key extraction.

REFERENCES:
patent: 5938440 (1999-08-01), McSpadden
patent: 5967778 (1999-10-01), Riitano

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