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Curling Ice Shaver (Patent No: 662457)

Inventor: Olson, Elias B.

Location: Edmonton

Comments: b Manitoba; moved to Saskatchewan; homesteaded; ice-making, managing curling rinks; invented ice-making and maintenance equipment; hand curling stone sharpener; Olson Curling Manufacturing and Supplies Ltd. founded in the 1930s; see Edmonton Journal, December 27, 1980; invented rubber curling hack; first to paint circles found at each end of a curling rink

Description: Issued May 7, 1963

Elias B. Olson, Edmonton, Alberta, Canada. Application November 4, 1958. Serial No. 761,814
6 Claims— Class 37-0.5

1. An ice shaving machine for resurfacing ice comprising a supporting frame adapted to rest directly on the surface of the ice and to travel thereover on runners extending along the bottoms of each side of the frame, a rotatable shaving means mounted on the frame, motor means mounted on the frame and adapted to rotate the shaving means; said shaving means comprising a central shaft journalled in the frame and forming the axis of roation of the shaving means, a pluraliy of helical cutting blades associated with the shaft and having all points on their cutting surfaces equidistant from the shaft; said shaft being transverse to the line of travel of the machine and parallel to the ice surface thereby permitting engagement of each of said blades with the ice surface for at least the lowermost part of their rotary path and in which the forward end of each runner is bevelled to provide a sharp edge adjacent the ice surface whereby to prevent the runners from riding over irregularities on the ice surface causing the shaving means to be lifted out of contact with the ice surface.

6. An ice shaving machine for resurfacing ice comprising a supporting frame adapted to travel over the surface of the ice, said supporting frame forming a receptacle to collect the shaved ice and having a hinge door at the rear thereof to facilitate removal of the ice shavings collected therein, a rotatable shaving means mounted on the frame, motor means mounted on the frame and adapted to rotate the shaving means; said shaving means comprising a central shaft journalled in the frame and forming the axis of rotation of the shaving means, a plurality of cutting blades associated with the shaft and having all points on their cutting surfaces equidistant from the shaft; said shaft being transverse to the line of travel of the machine and parallel to the ice surface thereby permitting engagement of each of said blades with the ice surface for at least the lowermost part of their rotary path.

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