Hand drill powered mini chain saw

Details Hand drill powered mini chain saw Hand drill powered mini chain saw

1992-04-20

1993-08-31

Yost, Frank T.

Cutlery

Implements adapted to be driven by detachable portable...

30122, 30383, 83824, B23B 5100

Patent

active

052397580

ABSTRACT:
A sawing device is attachable to an electric hand drill. The hand drill can be operated by either alternating current or direct current, using a battery. The battery operated drill eliminates the need for electrical cords, so it can be used anywhere. The saw bar may be made of material such as plastic that requires no lubricating oil, is lighter and less abrasive than conventional metal saw bars. There is also a non-metallic insert that will attach to a metal saw bar. This insert may go into the conventional metal saw bars with the same advantages as above. The hand drill rotation is transferred through a connecting shaft to the sprocket that drives the cutting chain, which travels on a chain bar with a single sprocket.

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patent: 4819335 (1989-04-01), Alexander
patent: 4837934 (1989-06-01), Krohn
patent: 4996774 (1991-03-01), Burger et al.

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