Seal puller

Handling: hand and hoist-line implements – Hand-hook type

Patent

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Details

254131, B65G 712

Patent

active

042114462

ABSTRACT:
The disclosure relates to a tool for pulling and removing annular or ring-shaped seals from an automobile transmission housing or the like. The overall tool includes an elongated main section having a first end and a second end, with a bifurcated fitting of special design mounted at a second end. The novel fitting includes a pair of spaced apart projections, and a pivotal member mounted therebetween. The pivotal member has a first end which includes a hook structure and is mounted for pivotal movement between the bifurcated fitting projections at a pivot point intermediate the ends thereof. The pivotal member is arranged to pivot between a first position substantially perpendicular to the main section to allow engagement of the hook structure with the seal and a second position substantially in line with the main section to allow the hook structure to encompass or wrap around the seal and firmly and securely engage the seal, with the pivotal member then adapted to be locked in place preparatory to the pulling of the seal. In addition, the pivotal member is comprised of a plurality of similar shaped segments mounted for articulated movement. Preferably three such segments are employed, with the outer segments fixed and the inner segment free to move slightly with respect to the outer segments. Accordingly, due to this segmented, articulated design, the pivotal member will conform to the surfaces encountered in engaging and using the tool to effect removal of a seal.

REFERENCES:
patent: 1542503 (1925-06-01), Haidle
patent: 3005651 (1961-10-01), Flaker
patent: 3026091 (1962-03-01), Oaks
patent: 3120701 (1964-02-01), Wilson
patent: 3908438 (1975-09-01), Norden

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