GB614526A - Improvements in or relating to semi-automatic hand punches - Google Patents

Improvements in or relating to semi-automatic hand punches

Info

Publication number
GB614526A
GB614526A GB2158246A GB2158246A GB614526A GB 614526 A GB614526 A GB 614526A GB 2158246 A GB2158246 A GB 2158246A GB 2158246 A GB2158246 A GB 2158246A GB 614526 A GB614526 A GB 614526A
Authority
GB
United Kingdom
Prior art keywords
punch
semi
relating
hammer member
automatic hand
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
GB2158246A
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.)
GEORGE HORACE ADAMS
Original Assignee
GEORGE HORACE ADAMS
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 GEORGE HORACE ADAMS filed Critical GEORGE HORACE ADAMS
Priority to GB2158246A priority Critical patent/GB614526A/en
Publication of GB614526A publication Critical patent/GB614526A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D5/00—Centre punches
    • B25D5/02—Automatic centre punches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

614,526. Centre punches. ADAMS, G. H. July 19, 1946, No. 21582. [Class 61 (ii)] A semi-automatic centre punch comprises a punch bit 10 and an aligned hammer member 14 connected to the punch by a tension spring 15 adapted to be tensioned when the hammer member is extended and to deliver a blow on the punch when the hammer member is released, the coned part 13 striking in the hollow end 17, or a loose impact member 19a may be interposed. A pocket clip 18 is provided. In a modification the spring is enclosed in an outside sheath screwed to a nose part carrying the punch member.
GB2158246A 1946-07-19 1946-07-19 Improvements in or relating to semi-automatic hand punches Expired GB614526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2158246A GB614526A (en) 1946-07-19 1946-07-19 Improvements in or relating to semi-automatic hand punches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2158246A GB614526A (en) 1946-07-19 1946-07-19 Improvements in or relating to semi-automatic hand punches

Publications (1)

Publication Number Publication Date
GB614526A true GB614526A (en) 1948-12-16

Family

ID=10165332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2158246A Expired GB614526A (en) 1946-07-19 1946-07-19 Improvements in or relating to semi-automatic hand punches

Country Status (1)

Country Link
GB (1) GB614526A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2402099A (en) * 2003-05-31 2004-12-01 Richard James Mathias Jones Bolt head centre marker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2402099A (en) * 2003-05-31 2004-12-01 Richard James Mathias Jones Bolt head centre marker

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