GB2115886B - Impact tools - Google Patents

Impact tools

Info

Publication number
GB2115886B
GB2115886B GB08206066A GB8206066A GB2115886B GB 2115886 B GB2115886 B GB 2115886B GB 08206066 A GB08206066 A GB 08206066A GB 8206066 A GB8206066 A GB 8206066A GB 2115886 B GB2115886 B GB 2115886B
Authority
GB
United Kingdom
Prior art keywords
impact tools
tools
impact
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
GB08206066A
Other versions
GB2115886A (en
Inventor
Michael Adrian Welch
William Rodney Aldridge
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB08206066A priority Critical patent/GB2115886B/en
Priority to FR8303269A priority patent/FR2522573B1/en
Priority to DE19838305714U priority patent/DE8305714U1/en
Priority to DE19833307113 priority patent/DE3307113A1/en
Priority to ZA831415A priority patent/ZA831415B/en
Publication of GB2115886A publication Critical patent/GB2115886A/en
Application granted granted Critical
Publication of GB2115886B publication Critical patent/GB2115886B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B11/00—Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
    • F01B11/04—Engines combined with reciprocatory driven devices, e.g. hammers
    • 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
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
GB08206066A 1982-03-02 1982-03-02 Impact tools Expired GB2115886B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB08206066A GB2115886B (en) 1982-03-02 1982-03-02 Impact tools
FR8303269A FR2522573B1 (en) 1982-03-02 1983-02-28 PERCUSSION TOOL
DE19838305714U DE8305714U1 (en) 1982-03-02 1983-03-01 PRESSURE DRILLED TOOL
DE19833307113 DE3307113A1 (en) 1982-03-02 1983-03-01 PRESSURE DRILLED TOOL
ZA831415A ZA831415B (en) 1982-03-02 1983-03-02 Impact tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08206066A GB2115886B (en) 1982-03-02 1982-03-02 Impact tools

Publications (2)

Publication Number Publication Date
GB2115886A GB2115886A (en) 1983-09-14
GB2115886B true GB2115886B (en) 1985-08-29

Family

ID=10528727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08206066A Expired GB2115886B (en) 1982-03-02 1982-03-02 Impact tools

Country Status (4)

Country Link
DE (2) DE8305714U1 (en)
FR (1) FR2522573B1 (en)
GB (1) GB2115886B (en)
ZA (1) ZA831415B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3242618B1 (en) 2015-01-09 2023-12-13 DePuy Synthes Products, Inc. Electric motor driven tool for orthopedic impacting

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1431835A (en) * 1965-01-28 1966-03-18 Montabert Ets Percussion device
GB1356022A (en) * 1971-02-10 1974-06-12 Dobson Park Ind Impact tools or apparatus
US4018135A (en) * 1973-12-26 1977-04-19 Construction Technology, Inc. Hydraulically powered impact device
JPS5432192B2 (en) * 1975-03-18 1979-10-12
GB1581441A (en) * 1976-01-29 1980-12-17 Dobson Park Ind Fluid powered impact tools
GB1587611A (en) * 1977-10-14 1981-04-08 Secretary Industry Brit Resilient mountings for fluid reciprocated tools
US4231434A (en) * 1978-02-21 1980-11-04 Justus Edgar J Hydraulic impact device

Also Published As

Publication number Publication date
DE8305714U1 (en) 1983-12-29
DE3307113A1 (en) 1983-09-22
ZA831415B (en) 1984-01-25
GB2115886A (en) 1983-09-14
FR2522573A1 (en) 1983-09-09
FR2522573B1 (en) 1986-03-28

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Legal Events

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