GB179668A - Improvements in or relating to cutting tool sharpening devices - Google Patents

Improvements in or relating to cutting tool sharpening devices

Info

Publication number
GB179668A
GB179668A GB499221A GB499221A GB179668A GB 179668 A GB179668 A GB 179668A GB 499221 A GB499221 A GB 499221A GB 499221 A GB499221 A GB 499221A GB 179668 A GB179668 A GB 179668A
Authority
GB
United Kingdom
Prior art keywords
hone
holder
knife
screws
supported
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB499221A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Noxet UK Ltd
Original Assignee
British United Shoe Machinery Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British United Shoe Machinery Ltd filed Critical British United Shoe Machinery Ltd
Priority to GB499221A priority Critical patent/GB179668A/en
Publication of GB179668A publication Critical patent/GB179668A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/48—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of razor blades or razors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)

Abstract

179,668. Gouldbourn, J., and British United Shoe Machinery Co., Ltd. Feb. 12, 1921. Block, rubber, and like apparatus ; cutting- edges, treating; gauges.-A cutting-tool having a bevelled edge, for example, the knife of a machine for splitting leather &c., is held in a clamp so as to present the bevelled face to a flat hone, and the tool is moved over the hone in a complex path, so that the hone is evenly worn down and does not glaze. The hone 1 is mounted in a horizontal holder 3, which has at its ends trunnions 4 supported on plungers 5. The plungers are supported by springs 7 located in bearings in the frame 6; the hone also may be fixed in position by plates 8 and screws 9. The knife 10 is mounted in a holder 11, in which it is positioned by screws 16 and pivoted gauge-bars 13, and secured by a screw 20; screws 14 clamp the gauges in the inoperative position and also clamp the screws 16 in adjusted position. The holder 11 is fulcrumed on a shaft 18. and has an arm 19 adapted to carry a weight, whereby the pressure of the knife on the hone is adjustably determined. The shaft 18 is mounted in lugs 21 extending upwardly from a member 22, which is supported by plates mounted on ball bearings 29, and has at one end a bearing for a crank-pin 23, and near its other end a slot 24 engaging a crankpin 25. The crank-pins are carried by shafts 27 and are driven at different speeds by spur gearing 32, 34. The member 22 thus moves in a continually varying path dependent upon the relative numbers of teeth in the spur-wheels carried bv the shafts 27; by these means, the whole surface of the hone is evenly worked over. The downward movement of the holder 11, and thus the extent to which the knife is ground, is determined by the engagement of a boss 42 on the holder with an adjustable screw 43 carried by the member 22. The holder 11 is supported in a raised position, during insertion and removal of a knife, by lugs 31 on the member 22, which engage with the holder. Specification 17808/09, [Class 31 (i), Cutting and severing machines &c.], is referred to.
GB499221A 1921-02-12 1921-02-12 Improvements in or relating to cutting tool sharpening devices Expired GB179668A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB499221A GB179668A (en) 1921-02-12 1921-02-12 Improvements in or relating to cutting tool sharpening devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB499221A GB179668A (en) 1921-02-12 1921-02-12 Improvements in or relating to cutting tool sharpening devices

Publications (1)

Publication Number Publication Date
GB179668A true GB179668A (en) 1922-05-12

Family

ID=9787677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB499221A Expired GB179668A (en) 1921-02-12 1921-02-12 Improvements in or relating to cutting tool sharpening devices

Country Status (1)

Country Link
GB (1) GB179668A (en)

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