Apparatus and method for starting a chain saw

Internal-combustion engines – Starting device – Mechanical

Reexamination Certificate

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Reexamination Certificate

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07322334

ABSTRACT:
A chainsaw starting apparatus comprises a frame, a first crank arm, a second crank arm, and a locking mechanism. The frame is designed to occupy a fixed position relative to a floor surface. The first crank arm and the second crank arm are each rotationally supported by the frame and interconnected to produce rotational movement of one arm upon rotational movement of the other arm. The locking mechanism may be used for releasably attaching a chainsaw to the frame.

REFERENCES:
patent: 3018768 (1962-01-01), Thompson
patent: 4397274 (1983-08-01), Tarnedde
patent: 5070828 (1991-12-01), Chestnutt
patent: 6497210 (2002-12-01), Kattenhorn

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