GB190917941A - Improvements in Ratchet Drills. - Google Patents

Improvements in Ratchet Drills.

Info

Publication number
GB190917941A
GB190917941A GB190917941DA GB190917941A GB 190917941 A GB190917941 A GB 190917941A GB 190917941D A GB190917941D A GB 190917941DA GB 190917941 A GB190917941 A GB 190917941A
Authority
GB
United Kingdom
Prior art keywords
ratchet
feed
operating
drills
sleeve
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
Inventor
Ernst Neumann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190917941A publication Critical patent/GB190917941A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/06—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power
    • B23B45/12—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power by using a ratchet brace

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Earth Drilling (AREA)

Abstract

17,941. Neumann, E. Aug. 3. No Patent granted (Sealingfee not paid). Ratchet braces.-A ratchet drill is made doubleacting by the use of two operating-levers b, c, one of which, c, has means for operating the feed, consisting of a spring-pressed sleeve d with a rod e, the front end f of which is adapted to engage the teeth g of the screwed sleeve h receiving the feed-screw i. Reference has been directed by the Comptroller to Specifications 4891/78, 12,488/90, 6129/92, 8098/92, and 14,718/96.
GB190917941D 1909-08-03 1909-08-03 Improvements in Ratchet Drills. Expired GB190917941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190917941T 1909-08-03

Publications (1)

Publication Number Publication Date
GB190917941A true GB190917941A (en) 1910-07-28

Family

ID=32444794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190917941D Expired GB190917941A (en) 1909-08-03 1909-08-03 Improvements in Ratchet Drills.

Country Status (1)

Country Link
GB (1) GB190917941A (en)

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