GB1344182A - Percussive implement - Google Patents

Percussive implement

Info

Publication number
GB1344182A
GB1344182A GB1279671A GB1279671A GB1344182A GB 1344182 A GB1344182 A GB 1344182A GB 1279671 A GB1279671 A GB 1279671A GB 1279671 A GB1279671 A GB 1279671A GB 1344182 A GB1344182 A GB 1344182A
Authority
GB
United Kingdom
Prior art keywords
piston
air
valve member
port
liquid
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
GB1279671A
Other languages
English (en)
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.)
Nippon Pneumatic Manufacturing Co Ltd
Original Assignee
Nippon Pneumatic Manufacturing 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 Nippon Pneumatic Manufacturing Co Ltd filed Critical Nippon Pneumatic Manufacturing Co Ltd
Publication of GB1344182A publication Critical patent/GB1344182A/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
    • B25D9/04—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
    • 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
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • 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
    • B25D2250/035—Bleeding holes, e.g. in piston guide-sleeves

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB1279671A 1970-05-01 1971-05-03 Percussive implement Expired GB1344182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3849170A JPS4929801B1 (enExample) 1970-05-01 1970-05-01

Publications (1)

Publication Number Publication Date
GB1344182A true GB1344182A (en) 1974-01-16

Family

ID=12526718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1279671A Expired GB1344182A (en) 1970-05-01 1971-05-03 Percussive implement

Country Status (2)

Country Link
JP (1) JPS4929801B1 (enExample)
GB (1) GB1344182A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160288307A1 (en) * 2015-03-30 2016-10-06 Jhih Jhong Lin Automatic Air Inrtake Device for Pneumatic Tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160288307A1 (en) * 2015-03-30 2016-10-06 Jhih Jhong Lin Automatic Air Inrtake Device for Pneumatic Tool

Also Published As

Publication number Publication date
JPS4929801B1 (enExample) 1974-08-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee