Excavating – Snow or ice removing or grooming by portable device – Including specific hydraulic control system to position...
Reexamination Certificate
2006-03-01
2009-12-15
Beach, Thomas A (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Including specific hydraulic control system to position...
C037S236000, C137S271000, C137S884000
Reexamination Certificate
active
07631442
ABSTRACT:
A modular hydraulic power mechanism provides hydraulic power to a snowplow system for use in moving a snowplow. The hydraulic power mechanism includes a base unit including a base plate, a hydraulic reservoir and a hydraulic pump unit. To the base unit may be added a first hydraulic module that can be mounted to the base plate and that is designed to meet a specific hydraulic need, such as up and down motion, for the snowplow of a first snowplow system. To the same base unit a second hydraulic module may be mounted that is designed to meet a different hydraulic need, such as side to side motion, for the first snowplow system. Alternately, to the same base unit one or more hydraulic modules can be mounted to the base plate in order to provide all the hydraulic needs of a second snowplow system, such as a V-plow.
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Kost James A.
Potak Robert L.
Beach Thomas A
Bennett Timothy
Emerson Roger
Emerson Thomson & Bennett
Louis Berkman Winter Products Company
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