Boring or penetrating the earth – Ice boring
Patent
1988-08-10
1989-10-10
Novosad, Stephen J.
Boring or penetrating the earth
Ice boring
30122, 144 1F, 144 35A, 175 87, 384453, 408 20, B25F 300, F25C 504
Patent
active
048725188
ABSTRACT:
A conversion apparatus for use in combination with a chain saw is set forth wherein a housing includes a rotatable shaft for attachment of a left-hand helical flight ice auger wherein the shaft includes a plurality of bearings secured within either side of the housing with the shaft extending through the housing and formed with a sprocket housing for mating engagement with the chain saw sprocket. A depending extension of the housing includes a plurality of through extending apertures for accepting a plurality of spaced threaded connectors associated with a chain saw.
REFERENCES:
patent: 2526131 (1950-10-01), Harnish et al.
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patent: 2846192 (1958-08-01), Ostling
patent: 3025917 (1962-03-01), Knoblauch
patent: 3096832 (1963-07-01), Westre
patent: 3198266 (1965-08-01), Mishler
patent: 3731751 (1973-05-01), Rusco
patent: 3736991 (1973-06-01), Maine
patent: 4487271 (1984-12-01), Pomeroy et al.
patent: 4603715 (1986-08-01), Muehlhauser
Bagnell David J.
Gilden Leon
Novosad Stephen J.
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