GB555186A - Improvements in or relating to drilling machines - Google Patents

Improvements in or relating to drilling machines

Info

Publication number
GB555186A
GB555186A GB1596442A GB1596442A GB555186A GB 555186 A GB555186 A GB 555186A GB 1596442 A GB1596442 A GB 1596442A GB 1596442 A GB1596442 A GB 1596442A GB 555186 A GB555186 A GB 555186A
Authority
GB
United Kingdom
Prior art keywords
spring
relating
drilling machines
anchored
recess
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
GB1596442A
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.)
ARTHUR LAWRENCE COTTON
Original Assignee
ARTHUR LAWRENCE COTTON
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 ARTHUR LAWRENCE COTTON filed Critical ARTHUR LAWRENCE COTTON
Priority to GB1596442A priority Critical patent/GB555186A/en
Publication of GB555186A publication Critical patent/GB555186A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B23B47/26—Liftable or lowerable drill heads or headstocks; Balancing arrangements therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

555,186. Drilling. GRAFTON, H., and COTTON, A. L. Nov. 11. 1942, No. 15964. [Class 83 (iii)] A drilling machine has the feed handle returned by a coiled-spring energy - storing device wherein one end of the spring is anchored, the other being releasable under excessive tension. As shown, the spring D is anchored to a central member C while the other, fitted with a pin E, fits into a recess B in the housing A from which recess it escapes on excessive tension being applied.
GB1596442A 1942-11-11 1942-11-11 Improvements in or relating to drilling machines Expired GB555186A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1596442A GB555186A (en) 1942-11-11 1942-11-11 Improvements in or relating to drilling machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1596442A GB555186A (en) 1942-11-11 1942-11-11 Improvements in or relating to drilling machines

Publications (1)

Publication Number Publication Date
GB555186A true GB555186A (en) 1943-08-09

Family

ID=10068747

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1596442A Expired GB555186A (en) 1942-11-11 1942-11-11 Improvements in or relating to drilling machines

Country Status (1)

Country Link
GB (1) GB555186A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408009A (en) * 2003-11-14 2005-05-18 Rexon Co Ltd Drilling device for left-handed and right-handed users

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408009A (en) * 2003-11-14 2005-05-18 Rexon Co Ltd Drilling device for left-handed and right-handed users
GB2408009B (en) * 2003-11-14 2005-12-14 Rexon Co Ltd Drilling device for left-handed and right-handed users

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