GB642131A - Improvements relating to chucks - Google Patents

Improvements relating to chucks

Info

Publication number
GB642131A
GB642131A GB1906547A GB1906547A GB642131A GB 642131 A GB642131 A GB 642131A GB 1906547 A GB1906547 A GB 1906547A GB 1906547 A GB1906547 A GB 1906547A GB 642131 A GB642131 A GB 642131A
Authority
GB
United Kingdom
Prior art keywords
outer casing
body section
jaw members
teeth
stem
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
GB1906547A
Inventor
Frank Linton-Gay
Frank Kirby
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.)
DENIS MCQUEEN POTTER
Original Assignee
DENIS MCQUEEN POTTER
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 DENIS MCQUEEN POTTER filed Critical DENIS MCQUEEN POTTER
Priority to GB1906547A priority Critical patent/GB642131A/en
Publication of GB642131A publication Critical patent/GB642131A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • B23B31/16004—Jaws movement actuated by one or more spiral grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Abstract

642,131. Chucks. POTTER, D. M. July 17, 1947, No. 19065. [Class 83 (iii)] A self-tightening chuck comprises a positivelydriven outer casing A, a body section B which is turnable relatively tothe outer casing but which is restrained from axial movement relative thereto, and jaw members 25 which are slidably mounted within the body section so as to be capable only of radial movement, the jaw members being moved to grip the tool or work by rotating the outer casing in the direction of drive. The outer casing is provided with cam surfaces 17 which co-operate with complementary cam surfaces 25b on the jaw members. The body section is held in the outer casing by means of a locking pin 21. In a modification, Figs. 6 and 7 (not shown), the upper end of the stem of the body section is formed with teeth which mesh with the teeth of an idle pinion, carried by the outer casing, which also mesh with the internal teeth of a cap turnably associated with the outer casing. The jaw members are loosened by gripping the cap and turning the outer casing. In another modification, Figs. 8 and 9 (not shown), the stem of - the body section is formed with ratchet teeth engaged by teeth provided on one of the limbs of a U-shaped locking pin. In a further modification, Figs. 10 and 11 (not shown), the jaw members are formed with oppositelydisposed projections which engage with oppositely-arranged cam grooves formed in the outer casing. The body section is formed with a stepped tapered hole for centring the tool or work. In a still further modification, Figs. 12 and 13 (not shown), the jaw members are screw-threaded and mounted within tapped walls of the slots in the body section, the jaw members also having axially-arranged teeth carried by the outer casing. The body section is secured to the outer casing by means of a locking pin having teeth co-operating with holes in the stem of the body section.
GB1906547A 1947-07-17 1947-07-17 Improvements relating to chucks Expired GB642131A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1906547A GB642131A (en) 1947-07-17 1947-07-17 Improvements relating to chucks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1906547A GB642131A (en) 1947-07-17 1947-07-17 Improvements relating to chucks

Publications (1)

Publication Number Publication Date
GB642131A true GB642131A (en) 1950-08-30

Family

ID=10123185

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1906547A Expired GB642131A (en) 1947-07-17 1947-07-17 Improvements relating to chucks

Country Status (1)

Country Link
GB (1) GB642131A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553017A1 (en) * 1983-10-08 1985-04-12 Roehm Guenter H TIGHTENING CHUCK
FR2557008A1 (en) * 1983-12-22 1985-06-28 Roehm Guenter H TIGHTENING CHUCK, PARTICULARLY TIGHTENING CHUCK FOR PUNCHING HAMMER

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553017A1 (en) * 1983-10-08 1985-04-12 Roehm Guenter H TIGHTENING CHUCK
FR2557008A1 (en) * 1983-12-22 1985-06-28 Roehm Guenter H TIGHTENING CHUCK, PARTICULARLY TIGHTENING CHUCK FOR PUNCHING HAMMER

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