Excavating – Snow or ice removing or grooming by portable device – Motorized rotary excavating tool
Patent
1989-06-22
1992-12-29
Taylor, Dennis L.
Excavating
Snow or ice removing or grooming by portable device
Motorized rotary excavating tool
37248, E01H 509
Patent
active
051740532
ABSTRACT:
A snow thrower incorporating a device fixed relative to the auger housing around the auger shaft for generating a downward thrust on the auger shaft which opposes and balances the upward thrust caused on the auger shaft by the cooperation of the auger with the snow. The downward thrust is provided by shaping a portion of the housing for the drive of the auger shaft in such a way so as to create a static downward thrust.
REFERENCES:
patent: 2632263 (1953-03-01), Cooper
patent: 3673715 (1972-07-01), Lines
"Snapper" brochure, McDonough Power Equipment, McDonough Ga.
Olsen Arlen L.
Taylor Dennis L.
Yamaha Hatsudoki Kabushiki Kaisha
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