GB177891A - Improvements in hand pneumatic hammers - Google Patents

Improvements in hand pneumatic hammers

Info

Publication number
GB177891A
GB177891A GB190921A GB190921A GB177891A GB 177891 A GB177891 A GB 177891A GB 190921 A GB190921 A GB 190921A GB 190921 A GB190921 A GB 190921A GB 177891 A GB177891 A GB 177891A
Authority
GB
United Kingdom
Prior art keywords
pneumatic hammers
hand pneumatic
barrel
handle
screwed
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
GB190921A
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.)
HARRY WATERHOUSE
Original Assignee
HARRY WATERHOUSE
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 HARRY WATERHOUSE filed Critical HARRY WATERHOUSE
Priority to GB190921A priority Critical patent/GB177891A/en
Publication of GB177891A publication Critical patent/GB177891A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Abstract

177,891. Waterhouse, H. Jan. 12, 1921. Percussive hand tools. - The handle of a pneumatic hammer is screwed directly on to the barrel, or (as shown) is attached by means of a bush 52 on which the handle is screwed, and which by means of ratchet teeth engages a collar 53 keyed to the barrel and is held by a spring clip 53a.
GB190921A 1921-01-12 1921-01-12 Improvements in hand pneumatic hammers Expired GB177891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB190921A GB177891A (en) 1921-01-12 1921-01-12 Improvements in hand pneumatic hammers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190921A GB177891A (en) 1921-01-12 1921-01-12 Improvements in hand pneumatic hammers

Publications (1)

Publication Number Publication Date
GB177891A true GB177891A (en) 1922-04-12

Family

ID=9730152

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190921A Expired GB177891A (en) 1921-01-12 1921-01-12 Improvements in hand pneumatic hammers

Country Status (1)

Country Link
GB (1) GB177891A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104828166A (en) * 2015-05-26 2015-08-12 中国人民解放军装甲兵工程学院 Corrosion crawler dismounting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104828166A (en) * 2015-05-26 2015-08-12 中国人民解放军装甲兵工程学院 Corrosion crawler dismounting device
CN104828166B (en) * 2015-05-26 2024-02-20 中国人民解放军装甲兵工程学院 Rust track dismounting device

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