Tool driving or impacting – With means engaged by part of human other than hand
Patent
1984-06-08
1989-04-04
Yost, Frank T.
Tool driving or impacting
With means engaged by part of human other than hand
173171, 175 18, F25C 504
Patent
active
048177350
ABSTRACT:
An ice auger driven manually by foot power through the instrumentality of a foot driven ratchet drive rotatably affixed to a set of bevel gears permanently mounted in a framework affixed to a stable base. An assymetrically shaped auger shaft with a rotatably mounted handle assembly and a permanently attached auger head is positioned vertically through, but not affixed to, the assymetrical bore of the horizontally positioned bevel gear permitting vertical movement of the shaft within the bore during operation. The combination of rotation created by the operation of the ratchet, the constant rotational force point on the auger shaft at the assymetrical bore of the horizontal bevel gear, combined with the simultaneous vertical movement of the auger shaft, results in a constantly changing point on the shaft where the bevel gear imparts rotational force. The vertical movement of the auger shaft is facilitated by the operator's downward pressure on the handle.
REFERENCES:
patent: 68362 (1867-09-01), Grimshaw
patent: 357182 (1887-02-01), Darling
patent: 825791 (1906-07-01), Young
patent: 1191588 (1916-07-01), Groom
patent: 3731751 (1973-05-01), Rusco
patent: 4116284 (1978-09-01), Cox
Wolfe James L.
Yost Frank T.
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