Height comparator

a comparator and height technology, applied in the direction of automatic grinding control, sport apparatus, skating parts, etc., can solve the problems of affecting the productivity of operators, affecting the efficiency of operators, and affecting the accuracy of operations
US20060223419A1Inactive Publication Date: 2006-10-05GUSPRO
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
GUSPRO
Publication Date
2006-10-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

A device is provided for measuring the centre of a grinding wheel for use in setting the height of a skate blade. The device has a base, a support extending from the base, a slider block slidable along the neck between the base and a head block secured to an upper end of the neck, a dial indicator supported by the head block for measuring the position of the slider block along the neck, a lower roller, and an upper roller. The lower roller and upper roller are rotatably attached to the slider block and radially aligned with each other such that a portion of each roller protrudes from the slider block, wherein a clockwise tangential force imparted on the upper roller causes the slider block to slide along the neck, and the dial indicator to record the movement of the slider block, which enables the height of an object to be set on the dial indicator with respect to a rest position of the slider block.
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Description

[0001] This application claims priority from U.S. Provisional Patent Application No. 60 / 667,689 filed Apr. 4, 2005.FIELD OF THE INVENTION

[0002] The present invention relates to devices for measuring, comparing, and setting the height of an object and has particular utility in centring the hollow of a skate blade with respect to the grinding wheel of a skate sharpener. DESCRIPTION OF THE PRIOR ART

[0003] The blade of an ice skate comprises a concave lower surface, providing a pair of edges at terminal ends of the concave surface. This concave surface is generally referred to as the “hollow” of the blade. To maintain the hollow, and thus the pair of edges, the skate is periodically sharpened using a skate sharpening machine.

[0004] A typical skate sharpening machine is generally comprised of a table-top or working surface, and a motor driven grinding wheel mounted on the surface. In order to restore a blade's hollow, the grinding wheel is oriented substantially parallel to the workin...

Claims

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