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US3839828A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for sharpening skates

Assignee: Individual
•
Filing: 1973-02-21
•
Granted: 1974-10-08
•
Expires: 1993-02-21
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Abstract

Abstract A method and apparatus for sharpening skates in which one skate of a pair is used as a guide for sharpening the other skate and the sharpened skate is then used as a guide for sharpening the unsharpened skate. All types of skates may be sharpened.

Inventors

  • 👤 R Arnold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 15:11
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/003

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 246 words
An ice skate sharpener comprising first and second members guided for linear reciprocation relative to each other, means for holding a pair of skates in fixed relation to each other on one of the members with the skating edges oriented lengthwise in said direction of reciprocation, said holding means for at least one of said skates having independently adjustable front and rear supporting means engaginG the edge of said one skate opposite its skating edge so that by adjustment of said supporting means the position of the skating edge of said one skate may be matched to the position of the skating edge of the other skate, means on the other member for carrying a follower riding on the skating edge of one of the skates and a grinding wheel supported on an arbor rotatable on an axis in alignment with the skating edge of the other skate, means for mounting the holding and carrying means for relative movement toward and away from the skating edges for positioning the follower on its skating edge and for positioning the grinding wheel in a corresponding position with respect to its skating edge so that upon relative reciprocation of said members, the follower traces the outline of its skating edge and the grinding wheel duplicates the outline of the follower''s skating edge, and means for adjusting the relative positions of the follower and grinding wheel to adjust the depth of cut taken by the grinding wheel on its edge.
Claim 2
Dependent Claim 246 words
An ice skate sharpener comprising first and second members guided for linear reciprocation relative to each other, means for holding a pair of skates in fixed relation to each other on one of the members with the skating edges oriented lengthwise in said direction of reciprocation, said holding means for at least one of said skates having independently adjustable front and rear supporting means engaginG the edge of said one skate opposite its skating edge so that by adjustment of said supporting means the position of the skating edge of said one skate may be matched to the position of the skating edge of the other skate, means on the other member for carrying a follower riding on the skating edge of one of the skates and a grinding wheel supported on an arbor rotatable on an axis in alignment with the skating edge of the other skate, means for mounting the holding and carrying means for relative movement toward and away from the skating edges for positioning the follower on its skating edge and for positioning the grinding wheel in a corresponding position with respect to its skating edge so that upon relative reciprocation of said members, the follower traces the outline of its skating edge and the grinding wheel duplicates the outline of the follower''s skating edge, and means for adjusting the relative positions of the follower and grinding wheel to adjust the depth of cut taken by the grinding wheel on its edge.
Claim 3
Dependent Claim 29 words
The sharpener of claim 1 in which at least one of said skates is supported by two eccentric pins respectively at the front and rear ends of the skate.
Claim 4
Dependent Claim 20 words
The sharpener of claim 1 in which the holding means for said one skate has magnets for gripping the skate.

References Cited (Backward Citations)

FR899499A Cited
US2383008A Cited
US2381458A Cited
GB608207A Cited
US2841930A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-07 1978-04-08 1978-10-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-07 1982-04-08 1982-10-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-07 1986-04-08 1986-10-08 $7700.00 Window Closed / Lapsed

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