Fuel injector puller

Details Fuel injector puller Fuel injector puller

1990-07-10

1991-05-14

Watson, Robert C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B25B 2716

Patent

active

050144090

ABSTRACT:
The tool of the present invention is especially well adapted for removing fuel injectors from the heads of diesel engines. A handle is attached to flat bar stock which is bent in the approximate shape of the letter J. Specific radii are used for the specific bends in order to provide clearance for the fuel injector and for clearing obstructions within the engine head area. A lower tool engagement portion as a semi-circular cut out for slipping about the body of the fuel injector. A pair of fingers extend about this semi-circular cut out for engaging a flange on the fuel injector body. Rocking the tool forces these extended fingers to lift the fuel injector out of its bore in the engine. The specific radii used in an intermediate portion between the tool engagement area and the handle are specifically adapted to provide clearance and sufficient leverage in order to remove the fuel injector from its bore.

REFERENCES:
patent: 3110959 (1963-11-01), Blackstone
patent: 3134574 (1964-05-01), Reuterfors
patent: 3670389 (1972-06-01), Shepanski
patent: 4110886 (1978-09-01), Wendler et al.
patent: 4202088 (1980-05-01), Hansen
patent: 4240192 (1980-12-01), Davis
patent: 4293992 (1981-10-01), Webb
patent: 4346518 (1982-08-01), Wood
patent: 4780942 (1988-11-01), Bernat

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