US3574268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool sharpening apparatus
Assignee: Individual
•
Filing: 1969-02-19
•
Granted: 1971-04-13
•
Expires: 1989-02-19
Abstract
Abstract A scissor-sharpening apparatus wherein a vise holds a scissor blade to be sharpened and the vise is pivotally mounted on a carriage. Supporting the carriage are longitudinally spaced rollers which travel along a rod. The carriage travels along the rod in a rectilinear path and also is movable along an arcuate path about the axis of the rod. The rectilinear path for the carriage is parallel to the axis of a grinding wheel. In this manner, the scissor blade is brought into position parallel with the grinding wheel and is freely movable toward and away from the grinding wheel to effect the sharpening of the scissor blade.
Inventors
- 👤 Frederick A Buse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:37
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/02; B24B3/00; B24B3/36; B24B3/52
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
135 words
A tool-sharpening apparatus comprising a rod, longitudinally spaced rollers on said rod movable along a path in the axial direction of said rod and movable along an arcuate path about the axis of said rod, each of said rollers being formed with annular flanges defining an annular groove therebetween, whereby said rollers move along a path in the axial direction of said rod and move in an arcuate path about the axis of said rod, a carriage supported by said rollers for movement in a rectilinear path parallel to the axis of said rod and movable along an arcuate path about the axis of said rod, said carriage includes means for engaging said rod to prevent radial displacement of said carriage relative to said rod, and a toolholder mounted on said carriage for movement therewith.
Claim 2
Dependent Claim
135 words
A tool-sharpening apparatus comprising a rod, longitudinally spaced rollers on said rod movable along a path in the axial direction of said rod and movable along an arcuate path about the axis of said rod, each of said rollers being formed with annular flanges defining an annular groove therebetween, whereby said rollers move along a path in the axial direction of said rod and move in an arcuate path about the axis of said rod, a carriage supported by said rollers for movement in a rectilinear path parallel to the axis of said rod and movable along an arcuate path about the axis of said rod, said carriage includes means for engaging said rod to prevent radial displacement of said carriage relative to said rod, and a toolholder mounted on said carriage for movement therewith.
Claim 3
Dependent Claim
26 words
A tool-sharpening apparatus as claimed in claim 1 wherein said means included in said carriage for engaging said rod comprises a flange for engaging said rod.
Claim 4
Dependent Claim
22 words
A tool-sharpening apparatus as claimed in claim 1 wherein said means included in said carriage for engaging said rod supports said toolholder.
Claim 5
Dependent Claim
40 words
A tool-sharpening apparatus as claimed in claim 1 wherein said means included in said carriage for engaging said rod comprises a member with a lower flange for engaging said rod and and with an upper flange for supporting said toolholder.
Claim 6
Dependent Claim
51 words
A tool-sharpening apparatus as claimed in claim 1 and including a mounting plate with a base section and a support section, means mounting said grinding wheel on said support section for rotation, and means adjustably supporting said rod for moving the axis thereof relative to the axis of said grinding wheel.
Claim 7
Dependent Claim
28 words
A tool-sharpening apparatus as claimed in claim 5 wherein said toolholder is mounted on said carriage through a post and is pivotal about the axis of said post.
Claim 8
Dependent Claim
22 words
A tool-sharpening apparatus as claimed in claim 6 and comprising drive means for rotating said grinding wheel mounted on said support section.
Claim 9
Dependent Claim
26 words
A tool-sharpening apparatus as claimed in claim 7 wherein said drive means includes a motor and a drive mechanism interconnecting said motor with said grinding wheel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |