GB716914A - Self-sharpening safety razor - Google Patents

Self-sharpening safety razor

Info

Publication number
GB716914A
GB716914A GB1111452A GB1111452A GB716914A GB 716914 A GB716914 A GB 716914A GB 1111452 A GB1111452 A GB 1111452A GB 1111452 A GB1111452 A GB 1111452A GB 716914 A GB716914 A GB 716914A
Authority
GB
United Kingdom
Prior art keywords
blade
roller
spring
slot
sharpening
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
GB1111452A
Inventor
Benton Montgomery Ewing
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.)
EWING SELF SHARPENING RAZOR CO
Original Assignee
EWING SELF SHARPENING RAZOR CO
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 EWING SELF SHARPENING RAZOR CO filed Critical EWING SELF SHARPENING RAZOR CO
Priority to GB1111452A priority Critical patent/GB716914A/en
Publication of GB716914A publication Critical patent/GB716914A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/50—Means integral with, or attached to, the razor for stropping the blade

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

716,914. Razors. EWING SELF - SHARPENING RAZOR CO. May 2, 1952, No. 11114/52. Class 30 [Also in Group XXIIIj A self-sharpening safety razor comprises a handle, a head, in which a blade holder containing a blade, is pivotally mounted, and a roller, having a sharpening surface, is rotatably mounted, the roller being longitudinally slotted to receive the cutting edge of the blade so that the blade is swung about the pivotal mounting of the holder to present alternate sides to the sharpening surface when the roller is rotated in alternate directions, yieldable means to position the blade in a plane radial with respect to the roller axis when the blade lies in the slot and resisting, equally, swinging movement of the blade in either direction, and releasable means to secure the roller against rotation and to lock the blade in shaving position being provided. As shown, a blade 25 is a friction fit or is riveted in a blade holder 24, pivotally mounted by a shaft 22 and having a flat face 32 against which one end 34 of a spring 36 presses. The other end cf the spring is secured by a nut 38 and spring 42 against a fulcrum 40 in the throat of the razor head. A solid aluminium roller 46 mounted by a shaft 44 between side walls 16, 18 of the razor head has a spiral ridge 48 and is slotted at 47, the base of the slot being cut back arcuately at 50, 52. Axial play of the shaft 44 allows its offset end 56 to be released from a seat 54 in the roller is that the roller is free to rotate when run across the hand in either direction to sharpen alternate sides of the cutting edge as shown in Fig. 5. When the roller is locked against rotation the lip of the roller slot forms or guard and may be provided with spaced projections. In a modification the razor head is formed by a bifurcation of the handle which supports the side walls, pivotal movement of the blade holder being dimited by the engagement of a pin extending from the flat of the blade holder with a slot in the spring 36.
GB1111452A 1952-05-02 1952-05-02 Self-sharpening safety razor Expired GB716914A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1111452A GB716914A (en) 1952-05-02 1952-05-02 Self-sharpening safety razor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1111452A GB716914A (en) 1952-05-02 1952-05-02 Self-sharpening safety razor

Publications (1)

Publication Number Publication Date
GB716914A true GB716914A (en) 1954-10-20

Family

ID=9980297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1111452A Expired GB716914A (en) 1952-05-02 1952-05-02 Self-sharpening safety razor

Country Status (1)

Country Link
GB (1) GB716914A (en)

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