GB325479A - Improvements in or relating to percussive hand tools - Google Patents

Improvements in or relating to percussive hand tools

Info

Publication number
GB325479A
GB325479A GB3380428A GB3380428A GB325479A GB 325479 A GB325479 A GB 325479A GB 3380428 A GB3380428 A GB 3380428A GB 3380428 A GB3380428 A GB 3380428A GB 325479 A GB325479 A GB 325479A
Authority
GB
United Kingdom
Prior art keywords
hand tools
relating
percussive hand
tool holder
spindle
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
GB3380428A
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
Priority to GB3380428A priority Critical patent/GB325479A/en
Publication of GB325479A publication Critical patent/GB325479A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/10—Means for driving the impulse member comprising a cam mechanism

Landscapes

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

Abstract

325,479. Horwell, A. E. Nov. 17, 1928. Percussive hand tools. - A hammer lever i' with an adjustable recoil spring q is raised by a multiple-step cam o driven through step-up gearing u, v and a crank handle m. The cam abutment p on the hammer lever is chamfered. The tool holder e is rotated bv means of a worm l on the crankdriven spindle engaging a worm wheel i on a spindle f attached to the tool holder e.
GB3380428A 1928-11-17 1928-11-17 Improvements in or relating to percussive hand tools Expired GB325479A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3380428A GB325479A (en) 1928-11-17 1928-11-17 Improvements in or relating to percussive hand tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3380428A GB325479A (en) 1928-11-17 1928-11-17 Improvements in or relating to percussive hand tools

Publications (1)

Publication Number Publication Date
GB325479A true GB325479A (en) 1930-02-17

Family

ID=10357649

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3380428A Expired GB325479A (en) 1928-11-17 1928-11-17 Improvements in or relating to percussive hand tools

Country Status (1)

Country Link
GB (1) GB325479A (en)

Similar Documents

Publication Publication Date Title
GB325479A (en) Improvements in or relating to percussive hand tools
GB386458A (en) Improvements in or relating to tubular magazine spanners
GB396140A (en) Improvements relating to percussive hand tools
GB420266A (en) Improvements in or relating to percussive tools
GB341483A (en) Improvements in or relating to percussive hand tools
GB177891A (en) Improvements in hand pneumatic hammers
GB256118A (en) Improvements in and relating to hand braces, and like tools
GB316933A (en) Improvements in pneumatic percussive tools
GB268216A (en) A tool for use in conjunction with a spanner
GB389464A (en) Improvements in, or relating to, hand-operated boring and similar appliances
GB225709A (en) A hand-operated adjustable cutter, for cutting blanks or holes of various diameters in metal plates of various thicknesses
GB279258A (en) Improvements in and relating to percussion, descaling and like hand tools
GB338884A (en) Improvements in percussive hand tools
SU57941A1 (en) Manual gauge for rulers
GB269653A (en) Improvements in, and relating to, hand tools for compressing valve springs, and for analogous purposes
GB471133A (en) An attachment for use in centreless grinding, turning and like machining operations
GB180402A (en) Improvements in or relating to percussive tools
GB428630A (en) Improvements in abrasive hand dressing tools
GB333103A (en) Improvements in and connected with wrenches, spanners or the like
GB296365A (en) Improvement in steel retainer for rock drills
GB358790A (en) Improvements in feeding devices for percussive tools
GB265649A (en) Improvements in or relating to rock drills and like percussive tools
GB348271A (en) Improvements in or relating to percussion tools
GB153384A (en) Improvements in pneumatic hammers
GB406989A (en) Improvements in valve grinding tools