Excavating – Snow or ice removing or grooming by portable device – Combined or convertible
Patent
1990-03-26
1991-02-05
Reese, Randolph A.
Excavating
Snow or ice removing or grooming by portable device
Combined or convertible
37244, 280 327, 180 11, E01H 509
Patent
active
049893513
ABSTRACT:
A wheeled platform towable behind a snowthrower to apply a downward force on the traction wheels of the snowthrower. The person operating the snowthrower stands on the platform so that a portion of his/her weight is applied to a towbar that extends from the snowthrower to the platform. The front end of the towbar exerts a downward force on the rear end of the snowthrower.
REFERENCES:
patent: 773559 (1904-11-01), Freeman et al.
patent: 3336042 (1967-08-01), Southall
patent: 4010507 (1977-03-01), Johnson
patent: 4096920 (1978-06-01), Heyn
patent: 4756101 (1988-07-01), Friberg et al.
patent: 4828282 (1989-05-01), Pinto
Olsen Arlen L.
Reese Randolph A.
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