Rotary ice shaving machine

Solid material comminution or disintegration – Processes – Miscellaneous

Patent

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Details

241 375, 241100, 2411999, 2412853, 241DIG17, B02C 1912

Patent

active

060126604

ABSTRACT:
A vertically-oriented rotary ice shaving machine in which the drive head assembly (including the ice-engaging mechanism, upper drive linkage, and housing) descend toward the table from the raised position at substantially the same rate. The drive head assembly is supported on telescoping columns, and a telescoping drive shaft connects the motor to the upper drive linkage. Alternately, the motor may be mounted on a carriage which moves reciprocally with the drive head assembly. The drive head assembly may exert downward pressure on the ice block via tension exerted by the telescoping drive shaft and support columns, or due to the weight of the drive head components and motor. Mechanical and electrical interlocks prevent the blade from being raised to an exposed position, and similarly interrupt rotation of the ice block, until the protective doors are closed. The protective doors are secured in the closed position while the blade is extended. The blade is cammed from the exposed to a retracted position to protect the operator from injury when inserting a block of ice or removing a remnant. The extended blade height may be manually adjusted, independently of the camming mechanism. The blade is spaced radially from the axis of rotation of the ice block to maintain a stability during the shaving process. The angled face forming the sharp edge of the blade is further oriented away from the lower surface of the ice block so as to chisel the ice surface more effectively.

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Gold Medal 1997 Catalog, front cover, pp. 39-41, 43-45.
Hatsuyuki Model HC-8E and HF-500E Ice Shaver promotional flyer, updated, one page.
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