Digging implement and blade therefor

Details Digging implement and blade therefor Digging implement and blade therefor

E - Fixed Constructions

01

H

262/16

E01H 5/09 (2006.01) E01H 5/04 (2006.01)

Patent

CA 1315810

- 11 - ABSTRACT OF THE DISCLOSURE A blade is provided for a digging implement, especially a snowthrower. The implement is of the type having an auger blade arranged for advancement sideways into a body of material to be removed. The blade con- sists of a band with a leading edge wound along a blade axis, preferably helically, and a tapered body that slopes towards the axis away from the material discharge of the device. In the case of a snowthrower, where the material discharge is at the center, the blade will have two sections, wound oppositely around the blade axis and tapering in opposite directions towards the axis, away from the centre discharge. The blade performs a slicing action on the material to be removed rather than scraping material from its face as is the case with the conven- tional snowthrower and analogous implements. The blade is thus aggressive and draws itself into the material, reducing the power requirements of both the blade and the system for propelling it into the material.

575033

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