System for chipping and moving ice

Details System for chipping and moving ice System for chipping and moving ice

1976-09-20

1977-08-16

Purser, Ernest R.

Mining or in situ disintegration of hard material

Ice-working devices

Relatively moving cutter

37 26, 37 43K, 172 59, 299 41, 299 86, 299 87, E01H 512

Patent

active

RE0293563

ABSTRACT:
An ice chipper comprising a pair of cylindrical drums each mounted for counter-rotation about parallel, generally vertical axes. Each drum includes an outwardly rounded, disk shaped bottom surface and an auger flight spiraled helically about the outer cylindrical surface thereof. The auger flights each include a plurality of spaced, outwardly extending teeth to chip the ice abutting the front of the system. The chipper is mounted to the front of a tractor and each drum includes a hydraulic motor which is operated by a hydraulic pump also carried by the tractor. Rotation of the drums causes the auger teeth to chip the ice and tends to pull the drums forwardly while the auger flights carry the ice particles up and out away from the cleared area. Tilting the system forwardly and rearwardly upon the rounded drum bottom surfaces varies the depth of cutting in the vertical direction.

REFERENCES:
patent: 536912 (1895-04-01), Boland et al.
patent: 1593523 (1926-07-01), Wright
patent: 3006624 (1961-10-01), Doxey
patent: 3148917 (1964-09-01), Thompson
patent: 3418023 (1968-12-01), Webster
patent: 3472555 (1969-10-01), Theermann et al.

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