GB271953A - Improvements in handles for percussion drills, jumpers or the like - Google Patents

Improvements in handles for percussion drills, jumpers or the like

Info

Publication number
GB271953A
GB271953A GB614226A GB614226A GB271953A GB 271953 A GB271953 A GB 271953A GB 614226 A GB614226 A GB 614226A GB 614226 A GB614226 A GB 614226A GB 271953 A GB271953 A GB 271953A
Authority
GB
United Kingdom
Prior art keywords
bit
cotter
jumpers
handles
percussion drills
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
GB614226A
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.)
Rawlplug Co Ltd
Original Assignee
Rawlplug Co Ltd
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 Rawlplug Co Ltd filed Critical Rawlplug Co Ltd
Priority to GB614226A priority Critical patent/GB271953A/en
Publication of GB271953A publication Critical patent/GB271953A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D3/00—Hand chisels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G3/00—Attaching handles to the implements
    • B25G3/02—Socket, tang, or like fixings
    • B25G3/12—Locking and securing devices
    • B25G3/26—Locking and securing devices comprising nails, screws, bolts, or pins traversing or entering the socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/105—Exchangeable tool components
    • B25D2250/111—Bits, i.e. inserts or attachments for hammer, chisel, pick

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Food-Manufacturing Devices (AREA)

Abstract

271,953. Rawlings, J. J., and Rawlplug Co., Ltd. March 4, 1926. Key wedges for socket fixings.- A percussion drill, chisel, or like bit c is retained in a handle a by an inclined cotter d passing through a hole substantially tan. gential to the bit and flatted to engage a flat f on the bit. the smaller end of the cotter being directed away from the end of the bit. The cotter hole may be arranged other than tangentially.
GB614226A 1926-03-04 1926-03-04 Improvements in handles for percussion drills, jumpers or the like Expired GB271953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB614226A GB271953A (en) 1926-03-04 1926-03-04 Improvements in handles for percussion drills, jumpers or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB614226A GB271953A (en) 1926-03-04 1926-03-04 Improvements in handles for percussion drills, jumpers or the like

Publications (1)

Publication Number Publication Date
GB271953A true GB271953A (en) 1927-06-07

Family

ID=9809177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB614226A Expired GB271953A (en) 1926-03-04 1926-03-04 Improvements in handles for percussion drills, jumpers or the like

Country Status (1)

Country Link
GB (1) GB271953A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137193A (en) * 1960-11-04 1964-06-16 Lawrence V Whistler Punch and die mounting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137193A (en) * 1960-11-04 1964-06-16 Lawrence V Whistler Punch and die mounting device

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