Excavating – Snow or ice removing or grooming by portable device – Scraper blade
Reexamination Certificate
2007-05-11
2009-06-02
Beach, Thomas A (Department: 3671)
Excavating
Snow or ice removing or grooming by portable device
Scraper blade
C037S231000, C037S280000, C037S266000, C172S786000, C172S445200
Reexamination Certificate
active
07540103
ABSTRACT:
The invention is related to an attachment to a front end loader. The invention comprises a dual blades having a rear frame which is fixed to the movable arm means at the front of the front end\ loader. The rear frame has a pivotal left arm and a pivotal right arm with a left blade mounting frame pivotal mounted to the forward end of the left arm and a left blade spring mounted to the forward end of the left mounting frame. A right blade mounting frame is pivotally mounted to the forward end of the right arm and a right blade spring mounted to the forward end of the right blade mounting frame. A pair of hydraulic cylinders with one mounted between the left arm and the rear frame and with the other mounted between the left arm and the left blade mounting means. A pair of hydraulic cylinders with one mounted between the right arm and the rear frame and the other mounted between the right arm and the right blade mounted means whereby the hydraulic cylinders may actuated to move the right and left blades and their associated right and left mounting blades to various angles independently of one another.
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Beach Thomas A
Kleve Robert E.
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