GB1456771A - Sledgehammer - Google Patents

Sledgehammer

Info

Publication number
GB1456771A
GB1456771A GB4380874A GB4380874A GB1456771A GB 1456771 A GB1456771 A GB 1456771A GB 4380874 A GB4380874 A GB 4380874A GB 4380874 A GB4380874 A GB 4380874A GB 1456771 A GB1456771 A GB 1456771A
Authority
GB
United Kingdom
Prior art keywords
piston
movement
oct
crank
air cushions
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
GB4380874A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1456771A publication Critical patent/GB1456771A/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
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons

Abstract

1456771 Sledgehammers ROBERT BOSCH GmbH 9 Oct 1974 [12 Oct 1973] 43808/74 Heading B4C A crank driven hammer has a movable cylinder 2 with a piston 4 therein which provides air cushions 13, 14, movement of the crank causing movement of cylinder 2 and piston 4 such that a passageway 12 and a port 11 in piston rod 7 are periodically opened to allow movement of air to and from the air cushions 13, 14.
GB4380874A 1973-10-12 1974-10-09 Sledgehammer Expired GB1456771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732351242 DE2351242A1 (en) 1973-10-12 1973-10-12 MOTOR-DRIVEN HAMMER WITH AIR SUSPENSION

Publications (1)

Publication Number Publication Date
GB1456771A true GB1456771A (en) 1976-11-24

Family

ID=5895227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4380874A Expired GB1456771A (en) 1973-10-12 1974-10-09 Sledgehammer

Country Status (2)

Country Link
DE (1) DE2351242A1 (en)
GB (1) GB1456771A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105435888A (en) * 2016-01-20 2016-03-30 嘉善鑫强钢业有限公司 Breaking hammer and shattering machine with same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844109A1 (en) * 1978-10-10 1980-04-24 Bosch Gmbh Robert HAND MACHINE, IN PARTICULAR DRILLING AND / OR HAMMER
AT368801B (en) * 1980-12-19 1982-11-10 Ver Edelstahlwerke Ag STRIKING, HAND-HOLDED AIR TOOL
CN110000933B (en) * 2017-10-26 2020-09-25 天长市盛林水电建设有限公司 Convenient wall body perforating device for construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105435888A (en) * 2016-01-20 2016-03-30 嘉善鑫强钢业有限公司 Breaking hammer and shattering machine with same
CN105435888B (en) * 2016-01-20 2018-10-02 嘉善鑫强钢业有限公司 A kind of quartering hammer and the shatter machine with the quartering hammer

Also Published As

Publication number Publication date
DE2351242A1 (en) 1975-04-17

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Legal Events

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