GB1080657A - Improvements in or relating to pneumatically operated percussion driving tools - Google Patents

Improvements in or relating to pneumatically operated percussion driving tools

Info

Publication number
GB1080657A
GB1080657A GB5481865A GB5481865A GB1080657A GB 1080657 A GB1080657 A GB 1080657A GB 5481865 A GB5481865 A GB 5481865A GB 5481865 A GB5481865 A GB 5481865A GB 1080657 A GB1080657 A GB 1080657A
Authority
GB
United Kingdom
Prior art keywords
piston
cylinder
air
chamber
insert
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
GB5481865A
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.)
Joh Friedrich Behrens AG
Original Assignee
Joh Friedrich Behrens AG
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
Priority to DEB79920A priority Critical patent/DE1285959B/en
Application filed by Joh Friedrich Behrens AG filed Critical Joh Friedrich Behrens AG
Publication of GB1080657A publication Critical patent/GB1080657A/en
Application status is Expired legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00Hand-held nailing tools; Nail feeding devices
    • B25C1/04Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
    • B25C1/044Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure with movable main cylinder

Abstract

1,080,657. Nailing and stapling. JOH. FRIEDRICH BEHRENS. Dec. 24, 1965 [Dec. 28, 1964], No. 54818/65. Heading B4C. A pneumatically-operated percussion tool for driving fasteners, such as nails or staples 15, comprises a driving piston 80, reciprocable in a cylinder 30 which is displaceably mounted in a casing 20, inlet openings 37 being provided in the cylinder wall for pressurized air under the control of a piston valve 40 mechanically coupled to the cylinder. The cylinder 30 is formed with a flange 43 slidable in a chamber 44 and provided with a seal 45 adapted to contact the upper edge of the casing part in which the cylinder moves. A control piston insert 41 is movable within the flange 43 and is formed with an extension 42 arranged to abut a seal 55 in a head portion 11 of the easing. In operation, with the tool in the position shown, air is fed from a reservoir 13 through a port 116, passages 105, 109 into the chamber 44 to thereby maintain the flanges 43 and insert 41 in the closed position, air above the piston escaping through a bore 49 in the insert and ports 52 in the head 11. Upon actuating a valve 123, 124, the flow of air to the chamber 44 is prevented, thereby allowing air in a chamber 23 to raise the flange and insert so as to permit the piston to be driven downwardly on its working stroke. During this stroke, air in front of the piston is exhausted via an annular passage 65 and ports 28 in the casing; air is also forced through ports 36 in the cylinder, into a chamber 25. Towards the end of the stroke, the piston strikes a resilient member 60 sealingly held in the cylinder and thereby moves the latter downwardly so that the bottom end of the cylinder closes the outlet ports 28. When a trigger 125 is released the valve 123, 124 is opened and the piston returned by the air compressed in the chamber 25. In order to prevent the tool from being used until it is pressed against a workpiece, a feeler 135 is connected to rod 100 via a lever 132 such that when the tool contacts a workpiece the rod is moved into a position in which a pin 128 on the trigger can enter a recess 104 in the rod. A magnet 47 is mounted on the valve insert 41 in order to retain the piston in its raised position.
GB5481865A 1964-12-28 1965-12-24 Improvements in or relating to pneumatically operated percussion driving tools Expired GB1080657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB79920A DE1285959B (en) 1964-12-28 1964-12-28 Druckluftbetaetigtes tool for driving nails, staples od. Like.

Publications (1)

Publication Number Publication Date
GB1080657A true GB1080657A (en) 1967-08-23

Family

ID=6980504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5481865A Expired GB1080657A (en) 1964-12-28 1965-12-24 Improvements in or relating to pneumatically operated percussion driving tools

Country Status (4)

Country Link
US (1) US3320860A (en)
DE (1) DE1285959B (en)
FR (1) FR1473961A (en)
GB (1) GB1080657A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172224A (en) * 1965-12-29 1969-11-26 Gaston E Marbaix Ltd Improvements relating to Pneumatic Devices for Driving Fasteners or like purposes
DE1286469B (en) * 1966-02-26 1969-01-02 Haubold Ind Nagelgeraete D Safety device in a compressed air-operated handtools for driving fasteners
US3567098A (en) * 1966-12-23 1971-03-02 Bostitch Div Of Textron Fastener driving apparatus operable under pressure conditions greater than line pressure
DE1301767B (en) * 1967-01-28 1969-08-21 Behrens Friedrich Joh Entlueftungseinrichtung for the foot-side cylinder space of a druckluftbetaetigten thrust piston drive for staple or nail devices
DE1301766B (en) * 1967-02-01 1969-08-21 Behrens Friedrich Joh od permanent magnet, the working piston of a druckluftbetaetigten device for driving staples, nails, or the like. retaining in the upper dead center position holding device
DE1603829A1 (en) * 1967-02-24 1971-06-16 Haubold Ind Nagelgeraete D Ausloesesperre for a contained air handtools for driving fasteners
US3496840A (en) * 1968-01-29 1970-02-24 Fastener Corp Fastener driving apparatus
DE1801162A1 (en) * 1968-10-04 1970-04-16 Haubold Ind Nagelgeraete D contained air Schlaggeraet, especially staples or Nagelgeraet
US3622062A (en) * 1970-03-02 1971-11-23 Spotnails Fastener-driving apparatus
DE2037815B2 (en) * 1970-07-30 1975-06-26 Fa. Joh. Friedrich Behrens, 2070 Ahrensburg
US4030655A (en) * 1971-12-22 1977-06-21 Senco Products, Inc. Improved fastener applying device
BE789035A (en) * 1971-12-22 1973-01-15 Senco Products pneumatic tool to drive fasteners
US3760695A (en) * 1972-03-01 1973-09-25 Senco Products Resilient piston stop construction
US3807281A (en) * 1972-03-27 1974-04-30 Spotnails Fastener-driving tool with sound-deadening features
US3961564A (en) * 1973-03-05 1976-06-08 Parker-Hannifin Corporation Fluid motor and combination bumper and sealing ring therefor
DE2339163C2 (en) * 1973-08-02 1975-01-30 Karl M. Reich, Maschinenfabrik Gmbh, 7440 Nuertingen
DE3047662C2 (en) * 1980-12-18 1985-02-21 Karl M. Reich Maschinenfabrik Gmbh, 7440 Nuertingen, De
DE9216394U1 (en) * 1992-12-02 1993-02-11 Joh. Friedrich Behrens Ag, 2070 Ahrensburg, De
DE29508658U1 (en) * 1995-05-24 1995-07-27 Behrens Ag Friedrich Joh A fastener driving device
DE10253670A1 (en) * 2002-11-19 2004-06-03 Hilti Ag Internal combustion-operated setting tool
US20060108391A1 (en) * 2003-12-31 2006-05-25 Leasure Jeremy D Pneumatic fastener
TW200600288A (en) * 2004-02-20 2006-01-01 Black & Decker Inc Adjustable exhaust system for pneumatic nailers and staplers
WO2005081986A2 (en) * 2004-02-24 2005-09-09 Black & Decker Inc. Pneumatic fastener
US7988025B2 (en) * 2004-02-24 2011-08-02 Black & Decker Inc. Pneumatic fastener
JP5748104B2 (en) * 2011-09-30 2015-07-15 日立工機株式会社 Driving machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081740A (en) * 1955-11-14 1963-03-19 Modernair Corp Pneumatically operated fastener driving machine
US2944522A (en) * 1957-02-25 1960-07-12 Fastener Corp Fastener driving apparatus
US3094043A (en) * 1958-02-10 1963-06-18 Powers Wire Products Company I Self returning drive piston and valve therefor
US3043272A (en) * 1959-02-16 1962-07-10 Fastener Corp Fastener driving apparatus
US2983922A (en) * 1959-04-27 1961-05-16 Senco Products Portable stapler with pneumatic drive and return
US3152519A (en) * 1961-06-26 1964-10-13 Fastener Corp Fastener driving apparatus
DE1246622B (en) * 1962-07-06 1967-08-03 Haubold Dieter operated with compressed air Geraet for driving staples, nails and aehnlichenBefestigungsmitteln
BE647880A (en) * 1963-05-13

Also Published As

Publication number Publication date
US3320860A (en) 1967-05-23
FR1473961A (en) 1967-03-24
DE1285959B (en) 1968-12-19

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