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US3650073A Expired / Lapsed US ⏱️ 0.0 years remaining

Iceskate blade sharpening machine and method of using said machine for sharpening iceskate blades

Assignee: Individual
•
Filing: 1970-02-16
•
Granted: 1972-03-21
•
Expires: 1990-02-16
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Abstract

Abstract A pair of iceskate blades are aligned with a templet in a jig. The templet is brought to bear against a rigid fence that is mounted on a structure that includes adjustably positioned endless abrasive belts that are arranged to contact and abrade the bottom surface of the iceskate blades.

Inventors

  • 👤 Charles Weisman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:15
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/002; B24B17/00; B24B3/00; B24B3/003

Claims Analysis

Total Claims: 31
Claim 1
Independent Claim 165 words
An apparatus for sharpening an iceskate blade, said apparatus comprising the combination of: a. first frame means; b. a motor mounted on said first frame means, said motor having rotatable output means; c. at least one endless, abrasive belt driven by said motor output means; d. means on said first frame means for supporting said belt whereby at least a portion thereof traverses a substantially linear path; e. second frame means for removably supporting at least one iceskate blade in opposition to said belt; and f. template means and template follower means, one of said last two mentioned means being secured to said first frame means, the other of said last two mentioned means being secured to said second frame means, said template follower means being in opposition to said template means and arranged to be contacted by the surface thereof whereby the iceskate blade is placed in contact with and is abraded by said belt in accordance with the contour of said template means.
Claim 2
Independent Claim 165 words
An apparatus for sharpening an iceskate blade, said apparatus comprising the combination of: a. first frame means; b. a motor mounted on said first frame means, said motor having rotatable output means; c. at least one endless, abrasive belt driven by said motor output means; d. means on said first frame means for supporting said belt whereby at least a portion thereof traverses a substantially linear path; e. second frame means for removably supporting at least one iceskate blade in opposition to said belt; and f. template means and template follower means, one of said last two mentioned means being secured to said first frame means, the other of said last two mentioned means being secured to said second frame means, said template follower means being in opposition to said template means and arranged to be contacted by the surface thereof whereby the iceskate blade is placed in contact with and is abraded by said belt in accordance with the contour of said template means.
Claim 3
Dependent Claim 37 words
The apparatus in accordance with claim 1 wherein said belt supporting means comprises elongated platen means having a convex transverse cross section, said belt being flexible and adapted to conform to the shape of said platen means.
Claim 4
Dependent Claim 24 words
The apparatus in accordance with claim 2 further includes means for adjusting the position of said platen means relative to said blade supporting means.
Claim 5
Dependent Claim 58 words
The apparatus in accordance with claim 3 wherein said means for adjusting the position of said platen means comprises a screw journaled in said first frame means and threaded through said pLaten means whereby rotation of said screw moves said platen means relative to the blade and in a direction perpendicular to the longitudinal plane of the blade.
Claim 6
Dependent Claim 61 words
The apparatus in accordance with claim 3 wherein said means for adjusting the position of said platen means comprises a tongue and groove arrangement for coupling said platen means and said first frame whereby said platen means is moveable in a direction perpendicular to the longitudinal plane of the blade and means for retaining said platen means in its adjusted position.
Claim 7
Dependent Claim 60 words
The apparatus in accordance with claim 3 wherein said means for adjusting the position of said platen means comprises means for moving said platen means in a plane parallel to the longitudinal plane of the blade, said movement of said platen means being relative to said first frame means, and means for retaining said platen means in its adjusted position.
Claim 8
Dependent Claim 31 words
The apparatus in accordance with claim 1 wherein said belt has an abrasive surface only in the central portion thereof, the longitudinal edges of said belt being free of said abrasive.
Claim 9
Dependent Claim 23 words
The apparatus in accordance with claim 7 further including means for retaining the longitudinal edges of said belt on said belt supporting means.
Claim 10
Dependent Claim 44 words
The apparatus in accordance with claim 1 further including a pair of spaced apart idler pulleys positioned at the ends of said belt support means, said pulleys together with said motor output means providing means for guiding said belt along a substantially triangular path.
Claim 11
Dependent Claim 20 words
The apparatus in accordance with claim 1 further including means for releasably clamping the blade on said second frame means.
Claim 12
Dependent Claim 21 words
The apparatus in accordance with claim 1 wherein said template means has an arcuate surface conforming to the desired blade rock.
Claim 13
Dependent Claim 21 words
The apparatus in accordance with claim 11 further including means for releasably clamping said template means in said second frame means.
Claim 14
Dependent Claim 23 words
The apparatus in accordance with claim 1 wherein said template follower means has a substantially flat surface adapted to abut said template means.
Claim 15
Dependent Claim 22 words
The apparatus in accordance with claim 13 further including means for releasably clamping said template follower means in said first frame means.
Claim 16
Dependent Claim 27 words
The apparatus in accordance with claim 1 wherein said second frame means comprises first and second support members and means for adjusting the lateral spacing there between.
Claim 17
Independent Claim 202 words
An apparatus for simultaneously sharpening a pair of iceskate blades, said apparatus comprising the combination of: a. first frame means; b. a motor mounted on said first frame means, said motor having rotatable output means; c. a pair of endless abrasive belts driven by said motor output means, said belts being spaced apart in a direction parallel to the rotational axis of said motor output means; d. means on said first frame means for supporting said pair of belts whereby at least a portion of each of said belts traverses a substantially linear path; e. second frame means for removably supporting the pair of iceskate blades in substantially the same spaced apart relation and in opposition to said pair of belts; and f. template means and template follower means, one of said last two mentioned means being secured to said first frame means, the other of said last two mentioned means being secured to said second frame means, said template follower means being in opposition to said template means and arranged to be contacted by the surface thereof whereby the iceskate blades are placed in contact with and are abraded by said belt in accordance with the contour of said template means.
Claim 18
Independent Claim 202 words
An apparatus for simultaneously sharpening a pair of iceskate blades, said apparatus comprising the combination of: a. first frame means; b. a motor mounted on said first frame means, said motor having rotatable output means; c. a pair of endless abrasive belts driven by said motor output means, said belts being spaced apart in a direction parallel to the rotational axis of said motor output means; d. means on said first frame means for supporting said pair of belts whereby at least a portion of each of said belts traverses a substantially linear path; e. second frame means for removably supporting the pair of iceskate blades in substantially the same spaced apart relation and in opposition to said pair of belts; and f. template means and template follower means, one of said last two mentioned means being secured to said first frame means, the other of said last two mentioned means being secured to said second frame means, said template follower means being in opposition to said template means and arranged to be contacted by the surface thereof whereby the iceskate blades are placed in contact with and are abraded by said belt in accordance with the contour of said template means.
Claim 19
Dependent Claim 42 words
The apparatus in accordance with claim 16 wherein said belt supporting means comprises a pair of spaced elongated platen means each having a convex transverse cross section, said belts being flexible and adapted to conform to the shape of said platen means.
Claim 20
Dependent Claim 25 words
The apparatus in accordance with claim 17 further includes means for adjusting the position of each saId platen means relative to said blade supporting means.
Claim 21
Dependent Claim 58 words
The apparatus in accordance with claim 18 wherein said means for adjusting the position of said platen means comprises a screw journaled in said first frame means and threaded through said platen means whereby rotation of said screw moves said platen means relative to the blades and in a direction perpendicular to the longitudinal plane of the blades.
Claim 22
Dependent Claim 61 words
The apparatus in accordance with claim 18 wherein said means for adjusting the position of said platen means comprises a tongue and groove arrangement for coupling said platen means and said first frame whereby said platen means is moveable in a direction perpendicular to the longitudinal plane of the blade and means for retaining said platen means in their adjusted position.
Claim 23
Dependent Claim 59 words
The apparatus in accordance with claim 18 wherein said means for adjusting the position of said platen means comprises means for moving said platen means in planes parallel to the longitudinal plane of the blades said movement of said platen means being relative to said first frame means, and means for retaining said platen means in its adjusted position.
Claim 24
Dependent Claim 32 words
The apparatus in accordance with claim 16 wherein said belts have an abrasive surface only in the central portion thereof, the longitudinal edges of each said belt being free of said abrasive.
Claim 25
Dependent Claim 23 words
The apparatus in accordance with claim 22 further including means for retaining the longitudinal edges of said belts on said belt supporting means.
Claim 26
Dependent Claim 44 words
The apparatus in accordance with claim 16 further including a pair of spaced apart idler pulleys positioned at the ends of said belt support means, said pulleys together with said motor output means providing means for guiding said belts along a substantially triangular path.
Claim 27
Dependent Claim 20 words
The apparatus in accordance with claim 16 further including means for releasably clamping the blade on said second frame means.
Claim 28
Dependent Claim 26 words
The apparatus in accordance with claim 16 wherein said template means has an arcuate surface conforming to the desired blade rock of each of the blades.
Claim 29
Dependent Claim 21 words
The apparatus in accordance with claim 26 further including means for releasably clamping said template means in said second frame means.
Claim 30
Dependent Claim 46 words
The apparatus in accordance with claim 16 wherein said template follower means has a substantially flat surface adapted to abut said template means. 29. The apparatus in accordance with claim 28 further including means for releasably clamping said template follower means in said first frame means.
Claim 31
Dependent Claim 27 words
The apparatus in accordance with claim 16 wherein said second frame means comprises first and second support members and means for adjusting the lateral spacing there between.

References Cited (Backward Citations)

US2406689A Cited
US2772522A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-03-21 1975-09-20 1976-03-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-03-21 1979-09-20 1980-03-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-03-21 1983-09-20 1984-03-21 $7700.00 Window Closed / Lapsed

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