Glo-plug extractor

Details Glo-plug extractor Glo-plug extractor

1996-01-22

1998-09-08

Smith, James G.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29244, 29265, 29272, 29280, 81318, 81 5312, 81 532, B23P 1904

Patent

active

058026924

ABSTRACT:
A glo-plug extractor is disclosed. An internally threaded sleeve is threaded over an externally threaded bolt having a bolt head at one end and a set of jaws at the other. The jaws are fitted to lock onto the head of a fully unscrewed, yet bound glo-plug. After the jaws are locked onto the glo-plug, the sleeve is braced against the engine head either by screwing the sleeve down over the jaws until it contacts the engine head or by placing some bracing apparatus such as a spacer or a set of legs between the sleeve and the engine head. Once the sleeve is braced, it must be locked in place using a locking apparatus such as vice grips or a wrench. The bolt head is then used to rotate the bolt relative to the sleeve. This rotation causes the sleeve to exert a pulling force on the bound glo-plug which either extracts the glo-plug whole or breaks it.

REFERENCES:
patent: 134507 (1873-01-01), Baylis
patent: 155429 (1874-09-01), Devine
patent: 538571 (1895-02-01), Wilson
patent: 728096 (1903-05-01), Giltner
patent: 2900169 (1959-08-01), White
patent: 3529497 (1970-09-01), Brooks
patent: 3750500 (1973-08-01), Peterson

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