GB2230728B - Engine hammer - Google Patents

Engine hammer

Info

Publication number
GB2230728B
GB2230728B GB8908645A GB8908645A GB2230728B GB 2230728 B GB2230728 B GB 2230728B GB 8908645 A GB8908645 A GB 8908645A GB 8908645 A GB8908645 A GB 8908645A GB 2230728 B GB2230728 B GB 2230728B
Authority
GB
United Kingdom
Prior art keywords
hammer
engine
engine hammer
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 - Fee Related
Application number
GB8908645A
Other versions
GB8908645D0 (en
GB2230728A (en
Inventor
Akira Nagashima
Yoshiki Nakayama
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.)
Kioritz Corp
Original Assignee
Kioritz Corp
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 Kioritz Corp filed Critical Kioritz Corp
Priority to GB8908645A priority Critical patent/GB2230728B/en
Priority to DE19893913426 priority patent/DE3913426A1/en
Publication of GB8908645D0 publication Critical patent/GB8908645D0/en
Publication of GB2230728A publication Critical patent/GB2230728A/en
Application granted granted Critical
Publication of GB2230728B publication Critical patent/GB2230728B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B25D9/06—Means for driving the impulse member
    • B25D9/10—Means for driving the impulse member comprising a built-in internal-combustion engine
    • 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
    • B25D11/12—Means for driving the impulse member comprising a crank mechanism
    • B25D11/125—Means for driving the impulse member comprising a crank mechanism with a fluid cushion between the crank drive and the striking body
    • 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
    • B25D17/04—Handles; Handle mountings
    • B25D17/043—Handles resiliently mounted relative to the hammer housing
    • 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
    • B25D9/06—Means for driving the impulse member
    • B25D9/08—Means for driving the impulse member comprising a built-in air compressor, i.e. the tool being driven by air pressure
GB8908645A 1989-04-17 1989-04-17 Engine hammer Expired - Fee Related GB2230728B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8908645A GB2230728B (en) 1989-04-17 1989-04-17 Engine hammer
DE19893913426 DE3913426A1 (en) 1989-04-17 1989-04-24 MACHINE HAMMER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8908645A GB2230728B (en) 1989-04-17 1989-04-17 Engine hammer

Publications (3)

Publication Number Publication Date
GB8908645D0 GB8908645D0 (en) 1989-06-01
GB2230728A GB2230728A (en) 1990-10-31
GB2230728B true GB2230728B (en) 1992-10-21

Family

ID=10655166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8908645A Expired - Fee Related GB2230728B (en) 1989-04-17 1989-04-17 Engine hammer

Country Status (2)

Country Link
DE (1) DE3913426A1 (en)
GB (1) GB2230728B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103909499A (en) * 2014-03-18 2014-07-09 永康市嘉宏工具制造有限公司 Crushing pickaxe with gasoline engine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4006721A1 (en) * 1990-03-03 1991-09-19 Bosch Gmbh Robert ELECTRICALLY POWERED HAMMER
DE19955930B4 (en) 1999-11-20 2008-09-25 Andreas Stihl Ag & Co. Hand drill with a combustion engine
JP2003145446A (en) * 2001-11-09 2003-05-20 Yamada Kikai Kogyo Kk Engine breaker

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1379560A (en) * 1970-12-04 1975-01-02 Ross F W Impact device
GB1410140A (en) * 1972-12-05 1975-10-15 Maco Meudon Sa Percussive and rotary percussive devices
EP0194347A1 (en) * 1984-12-24 1986-09-17 Wacker-Werke GmbH & Co. KG Resilient mounting of a handles-carrying protective cover for a percussion tool

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7339194U (en) * 1972-11-06 1974-04-25 Partner Ab Hand-held machine for drilling, breaking, ramming or the like
DE2260365A1 (en) * 1972-12-09 1974-06-12 Bosch Gmbh Robert AIR CUSHION STRIKING
DE3405922A1 (en) * 1984-02-18 1985-08-22 Robert Bosch Gmbh, 7000 Stuttgart HAND MACHINE, ESPECIALLY DRILLING HAMMER
JPH0765516B2 (en) * 1987-07-01 1995-07-19 株式会社共立 Work machine internal combustion engine mounting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1379560A (en) * 1970-12-04 1975-01-02 Ross F W Impact device
GB1410140A (en) * 1972-12-05 1975-10-15 Maco Meudon Sa Percussive and rotary percussive devices
EP0194347A1 (en) * 1984-12-24 1986-09-17 Wacker-Werke GmbH & Co. KG Resilient mounting of a handles-carrying protective cover for a percussion tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103909499A (en) * 2014-03-18 2014-07-09 永康市嘉宏工具制造有限公司 Crushing pickaxe with gasoline engine
CN103909499B (en) * 2014-03-18 2016-06-29 永康市嘉宏工具制造有限公司 Gasoline engine breakup pick

Also Published As

Publication number Publication date
GB8908645D0 (en) 1989-06-01
GB2230728A (en) 1990-10-31
DE3913426A1 (en) 1990-10-25

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Legal Events

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

Effective date: 19980417