Patents for B24B 23 - Portable grinding machines, e.g. hand-guided; Accessories therefor (6,273)
02/1992
02/26/1992CN2097062U Abrasive belt grinding machine with single grinding head
02/18/1992US5088242 Polishing device
02/18/1992US5088241 Polishing device
02/18/1992CA2023578A1 Pneumatic astro-orbital sander adaptor for power tools
02/18/1992CA1295834C In-track rail base grinding apparatus and method
02/11/1992US5086750 Skid plate for concrete saw
02/10/1992CA2023039A1 Sanding machine adaptor
02/06/1992WO1992001535A1 Hand-held electrical machine tool, in particular angle grinding machine
02/04/1992US5085012 Reciprocating abrading or polishing tool with improved suction system
01/1992
01/23/1992DE4023054A1 Internal corners grinding machine - has mechanism to convert vertical oscillation of grinding head into horizontal oscillation
01/23/1992DE4022668A1 Elektrische handwerkzeugmaschine, insbesondere winkelschleifmaschine Electric hand power tool, in particular angle grinder
01/07/1992US5077942 Vibration damped hand held rotary grinding machine
12/1991
12/31/1991US5076025 Land grinder mount
12/30/1991CA2020154A1 Vacuum sander
12/24/1991US5074081 Sander with removable auxiliary handle
12/18/1991EP0461112A1 Eccentric grinding machine.
12/11/1991EP0460133A1 Eccentric grinder.
11/1991
11/21/1991EP0457740A1 A vibrator damped hand held rotary grinding machine
11/21/1991EP0339027B1 Clamping device for releasably holding a tool, in particular a disk
11/19/1991US5065476 Handle arrangement for a handheld portable tool
11/06/1991EP0455618A1 A vibration damped hand held rotary grinding machine
10/1991
10/22/1991US5058909 Adapter for attachment of a supplementary tool
10/17/1991DE4011761A1 Orbital sander with exchangeable tools - which have backplate with bracket keying into guides on machine drive plate
10/15/1991US5056499 Apparatus for cutting concrete
10/15/1991US5056268 Accessory device for angle grinder
10/15/1991US5056265 Tube end abrading tool
10/10/1991DE4012774C1 Manual eccentric grinder with rotation reverser - which is used for grinding wheel switching on and off, with eccentric spindle hub centring machine gear
10/09/1991CN2086183U Multi-purpose file grinding machine
10/03/1991WO1991014537A1 Tool support
10/01/1991US5052500 Vibroisolating handle joint structure for power tool
09/1991
09/26/1991DE4032069A1 Angle grinder with dust extracting guard - has suction passage for escape of dust laden air from guard incorporated in handle
09/04/1991EP0444349A1 Cleaning device for pins and pin sockets
08/1991
08/29/1991DE3943491C1 Cold gas generator and feeder to grinding and polishing tool(s) - has gas mixt. container in line from liquefied gas reservoir to tool(s)
08/20/1991US5040340 Random orbital sander adapter
08/20/1991US5040339 Double drum polisher
08/13/1991US5038526 Method and apparatus for profiling
08/13/1991US5038523 Seawater hydraulic rotary disk tool
08/08/1991WO1991011297A1 Hand machine-tool with radial fan
08/08/1991DE4100979A1 Angle grinder oil seal - has dynamic and static portions functionally when running and stopped respectively
08/08/1991DE4003029A1 Handgefuehrte werkzeugmaschine mit radialgeblaese Guided hand machine tools with radialgeblaese
07/1991
07/31/1991CN1053384A Sanding method and apparatus
07/30/1991US5035684 Pad sander paper punch assembly and method
07/23/1991US5033238 Dental technician's work station
07/16/1991US5031363 Hand held non-directional disc brake rotor finishing device
07/16/1991US5031362 Grinding attachment for a hand-held power-operable rotary tool
07/16/1991US5031325 Hand-held tool with a cutting or grinding disk
07/11/1991WO1991009705A1 Eccentric grinder
07/10/1991EP0341242B1 Eccentric grinder
06/1991
06/27/1991DE3942784A1 Tool for cleaning concrete shuttering parts - consists of corner grinder, coacting with top and slide parts, and guide frame
06/11/1991US5022192 Conduit grinding apparatus
06/11/1991US5022190 Portable
06/11/1991US5022189 Sander extension device
06/11/1991US5022188 Clamping fixture for detachably fixing a tool, in particular a disc
06/05/1991WO1991007963A1 Glycyl-p-amino-pyridine for the treatment of senile dementia states
06/05/1991CA2070376A1 Glycyl-p-amino-pyridine for the treatment of senile dementia states
06/04/1991US5020281 High speed rotary hand tool with adjustable head coupling
06/04/1991US5020280 Grinding tool and spacer assembly for use therein
05/1991
05/30/1991WO1991007253A1 Process for machining the surfaces of plane commutators
05/28/1991US5018314 Sander
05/16/1991DE3937305A1 Guide rail for portable cut-off tool - has blade passing through slot in top hat section rail so that dust can be extracted from rail
05/16/1991DE3937182A1 Verfahren zur bearbeitung der oberflaeche von plankommutatoren A method for fabricating the surface of commutators
05/08/1991CN1012563B Grinding machine
05/02/1991EP0424720A1 Attachement for angle grinder
05/02/1991EP0424388A1 Device for axially clamping a tool, in particular a grinding wheel.
04/1991
04/24/1991CA2022421A1 Accessory device for angle grinder
04/16/1991US5007205 Tensioner release and mechanism for belt sanders
04/11/1991DE3933141A1 Vibratory polishing tool for car bodies - has interchangeable heads with passages for polishing media and cushioning air film
04/10/1991CN2074697U Hand polishing machine with load indicator
03/1991
03/27/1991CN2073789U Flat grinding machine of rail end
03/26/1991US5001869 Reciprocating abrading or polishing tool with balancing counterweights
03/21/1991DE4021277A1 Hand operated machine tool unit
03/06/1991EP0415871A1 Dust control system for an abrasive grinder
02/1991
02/27/1991EP0413956A2 Hand tool with grinding disc
02/19/1991US4993192 Power sanding device
02/13/1991EP0412439A2 Grinding tool and spacer assembly for use therein
02/06/1991CN2070660U Portable belt type drinding machine
02/05/1991US4989374 Portable machine tool with automatic locking of the work spindle
01/1991
01/29/1991US4987700 Mechanical scarfing apparatus
01/22/1991US4986036 Portable
01/17/1991DE3922552A1 Electrically-driven hand tool - incorporates vibration-damping components between spindle and motor
01/17/1991DE3921752A1 Angle grinder machine - has detachable handle with spring-loaded ends to clip on to machine
01/16/1991EP0407782A2 Accessory for hand power drill and angle grinder in the form of a file
01/10/1991WO1991000163A1 Hand sander
01/09/1991EP0407337A1 Hand device with a wheel for cutting-off or grinding
01/09/1991EP0406247A1 Eccentric grinding machine.
01/03/1991DE3921003A1 Handbandschleifmaschine Hand belt sander
12/1990
12/20/1990DE3919701A1 Powered hand grinding or polishing machine - has cantilevered grinding roll with easy adjustment of guard
12/20/1990DE3919651A1 Belt type powered hand sanding tool - has additional small guide roller at front to allow sanding up to wall
12/20/1990DE3919649A1 Quick adjusting guard for angle grinder - has clamping ring secured by stud with left and right threaded ends
12/18/1990US4977708 Portable handheld tool machine having a tensioning device for a belt drive
12/11/1990US4976176 Use with a portable lathe
12/04/1990US4974371 Dry-wall sander
11/1990
11/29/1990WO1990014535A1 Portable tool comprising a drive housing with packing ring
11/29/1990DE3917345A1 Non-slip wheel clamping device for angle grinder - has serrated collar and wheel flange faces to increase clamping according to wheel loading
11/28/1990EP0399973A1 An arrangement in hand-held button-bit grinding machines
11/27/1990US4972589 Cutting and sanding attachments for a hand drill
11/19/1990CA2017198A1 Portable gem faceting kit
10/1990
10/16/1990US4962617 Portable handheld power-driven tool
10/10/1990EP0391148A2 Polishing or grinding device
10/04/1990DE3910590A1 Cold-gas working apparatus
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