| Patent Number |
Title Of Patent |
Date Issued |
| 7533889 |
Fitting device for a machine tool with a tool holder, and a tool holder |
May 19, 2009 |
| A fitting device for a machine tool has a tool holder for a hand-guided machine tool, for receiving insertion tools. The tool holder forms a releasable sliding fit with a drive tube. |
| 7518281 |
Electric motor with a housing for at least two carbon brushes |
April 14, 2009 |
| An electric motor includes carbon brushes (5) disposed in a holder (6) that are pressed by means of a spring force (7) in a radial direction against a jacket face of a cylindrical collector (4) that is fixed to an armature shaft (2) of the motor. The holder (6) for the carbon brushes |
| 7070008 |
Drill or chisel hammer |
July 4, 2006 |
| The invention is based on a power tool having a beater mechanism (14) and a coupling device (12, 100), which can be engaged and disengaged in order to make and break a drive connection (16, 102) of the beater mechanism (14).It is proposed that the coupling device (12, 100) has a sync |
| 7036607 |
Electric hand tool |
May 2, 2006 |
| An electric hand tool is disclosed which has a gt (15), received in a housing (10), with a gear shaft (20) and also has at least one radial bearing (30) for rotary support of the gear shaft (20), the inner bearing ring (301) of the radial bearing being fixed on the gear shaft (20) and |
| 6930431 |
Electric machine and manual machine tool comprising the same |
August 16, 2005 |
| The invention is based on an electrical machine with a rotatable brush plate (10, 12), which is held in its end positions by means of at least one holding mechanism (16, 18) that acts in the circumference direction (14).The invention proposes that the holding mechanism (16, 18) have at l |
| 6918450 |
Electric hand power tool |
July 19, 2005 |
| An electric hand power tool formed as a hammer drill or an impact hammer drill has a housing, a drive transmission received in the housing and having an intermediate transmission for turning a tool, an impact mechanism with a swinging drive for delivering axially oriented impacts to |
| 6854740 |
Tool mounting for a hand machine tool |
February 15, 2005 |
| The tool mount has a body (12) with means for housing a tool with grooves, whereby the body (12) is equipped with a damping mechanism (14, 16, 18, 20) with which the tool can be clamped in position in the body (12), and an operating element (24) for unclamping the tool is provided.A wear |
| 6739406 |
Machine tool with a chamber for lubricating agent and a pressure equalization device for said ch |
May 25, 2004 |
| The present invention is directed to a machine tool, in particular to a hand-operated hammer drill, having a compartment (10) containing lubricant in which at least one rotationally drivable component (12) is mounted and having a device (14) for compensating the pressure in the compartme |
| 6722449 |
Machine tool with a chamber for lubricant agent and a pressure equalization device for said cham |
April 20, 2004 |
| A machine tool, in particular to a hand-operated hammer drill, having a compartment containing lubricant and a device for compensation of the pressure in the compartment in the area of a bearing of a component able to be driven so as to allow rotation. It is proposed that the bearing for |
| 6536780 |
Hand power tool |
March 25, 2003 |
| A hand power tool has a tool holder with a base body; a drive part; at least one locking body for connecting the base body of the tool holder with the drive part; a securing body which radially fixes the at least one locking body in an engaging position; an actuating element operative fo |
| 6179300 |
Tool holder |
January 30, 2001 |
| A tool holder for coupling of rotating and striking tools with hand power tools has a coupling sleeve, a drive member connectable to a hand power tool and transmitting a drive movement, the coupling sleeve being connected with the drive member, a tool shaft provided with groove-shaped |
| 5470084 |
Hand drill, in particular hammer drill |
November 28, 1995 |
| A hand drill, in particular a hammer drill has a combination tool holder provided with a first tool receptacle with clamping jaws displaceable relative to a base body and adjustable by a rotatable adjusting ring to different diameters of tool shafts, and a second separate tool receptacle |
| 5174588 |
Automatically locking chuck for drill or the like |
December 29, 1992 |
| A chuck for use in a percussion drill or the like has a unit for securing the chuck jaws against unintentional loosening during operation. The securing unit moves from an unlocked position in which a tool can be received by the chuck jaws to a locked position automatically for drilling |
| 4406334 |
Drilling tool |
September 27, 1983 |
| A drilling tool has a drilling shaft member, a crown drilling member with an annular wall provided with a plurality of cutting edges and detachably mounted on the shaft member, a center drilling member detachably mounted on the shaft member inside the crown drilling member and having a f |
| 4288187 |
Arrangement for producing grooves |
September 8, 1981 |
| An arrangement for producing grooves in walls, ceilings and the like with the use of a hand-held processing machine, has a rotatable material-removing tool driven in rotation by the machine, and a housing surrounding the tool. The housing has a guiding piece through which the tool ex |
