GB316933A - Improvements in pneumatic percussive tools - Google Patents

Improvements in pneumatic percussive tools

Info

Publication number
GB316933A
GB316933A GB21478/29A GB2147829A GB316933A GB 316933 A GB316933 A GB 316933A GB 21478/29 A GB21478/29 A GB 21478/29A GB 2147829 A GB2147829 A GB 2147829A GB 316933 A GB316933 A GB 316933A
Authority
GB
United Kingdom
Prior art keywords
percussive tools
pneumatic percussive
bolt
tools
pneumatic
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
GB21478/29A
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.)
Krupp Stahl AG
Fried Krupp AG
Original Assignee
Krupp Stahl AG
Fried Krupp AG
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 Krupp Stahl AG, Fried Krupp AG filed Critical Krupp Stahl AG
Publication of GB316933A publication Critical patent/GB316933A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit

Landscapes

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

Abstract

316,933. Krupp Akt.-Ges., F. Aug. 6, 1928, [Convention date] No Patent granted (Sealing fee not paid). Percussive tools.-The drill is prevented from dropping out by a notched bar E which is pivoted on a bolt B parallel to the axis of the tool and is pressed into position by a spring F which also keeps it up to the bolt head b<1>.
GB21478/29A 1928-08-06 1929-07-12 Improvements in pneumatic percussive tools Expired GB316933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE316933X 1928-08-06

Publications (1)

Publication Number Publication Date
GB316933A true GB316933A (en) 1930-05-08

Family

ID=6150615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21478/29A Expired GB316933A (en) 1928-08-06 1929-07-12 Improvements in pneumatic percussive tools

Country Status (1)

Country Link
GB (1) GB316933A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022769A (en) * 1960-05-18 1962-02-27 Skil Corp Universal tool element retainer for rotary-hammer devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3022769A (en) * 1960-05-18 1962-02-27 Skil Corp Universal tool element retainer for rotary-hammer devices

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