Patents by Inventor Gerd Berner
Gerd Berner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6810970Abstract: A hand power tool has housing, a motor arranged in the housing and having a drive shaft with two opposite ends, bearings each supporting one of the ends of the drive shaft in at least one component, an insert tool, a drive element through which the drive shaft is operatively connected with the insert tool, at least one of the bearings of the drive shaft being supported on the component over one part of its length in a radial direction through a sliding seat, and also being supported on the component over another part of its length in the radial direction through a synthetic plastic ring.Type: GrantFiled: August 16, 2000Date of Patent: November 2, 2004Assignee: Robert Bosch GmbHInventors: Ernst Kraenzler, Gerd Berner, Monika Renner, Joachim Mueller
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Patent number: 6419569Abstract: A hand-held belt sander has a housing, an on-off switch and a power supply conductor supported by the housing, a motor and a transmission received in the housing, a sanding belt, a driving roller driven by the motor and driving the sanding belt, a sliding shoe provided with a base, a deviating roller arranged so that said sanding belt is guidable over the deviating roller and the base of the sliding shoe, a unit for centering the sanding belt, a unit for clamping the sanding belt, the deviating roller and the driving roller have different diameters so that the sanding belt is guided inclinedly, the housing being elongated and the sanding belt being guided on guiding parts which are introduced in a rear region of the elongated housing so that with together with the sanding belt in a front region of the elongated housing a centrally forwardly extending, freely projecting, wedge tip-shaped contour is formed so that the hand-held belt sander as a whole has a lance-like contour.Type: GrantFiled: September 27, 2000Date of Patent: July 16, 2002Assignee: Robert Bosch GmbHInventors: Alfred Frech, Gerd Berner, Reiner Silberer, Michael Behrendes, Michael A Gabold, Joachim Schadow, Rudolf Fuchs, Sinisa Andrasic, Thomas Palaver, Juergen Koellner
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Publication number: 20010014577Abstract: A hand-held belt sander has a housing, an on-off switch and a power supply conductor supported by the housing, a motor and a transmission received in the housing, a sanding belt, a driving roller driven by the motor and driving the sanding belt, a sliding shoe provided with a base, a deviating roller arranged so that said sanding belt is guidable over the deviating roller and the base of the sliding shoe, a unit for centering the sanding belt, a unit for clamping the sanding belt, the deviating roller and the driving roller have different diameters so that the sanding belt is guided inclinedly, the housing being elongated and the sanding belt being guided on guiding parts which are introduced in a rear region of the elongated housing so that with together with the sanding belt in a front region of the elongated housing a centrally forwardly extending, freely projecting, wedge tip-shaped contour is formed so that the hand-held belt sander as a whole has a lance-like contour.Type: ApplicationFiled: November 29, 2000Publication date: August 16, 2001Inventors: Alfred Frech, Gerd Berner, Reiner Silberer, Michael Behrendes, Michael A. Gabold, Joachim Schadow, Rudolf Fuchs, Sinisa Andrasic, Thomas Palaver, Juergen Koellner
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Patent number: 6174226Abstract: A hand-held belt sander has a housing, an on-off switch and a power supply conductor supported by the housing, a motor and a transmission received in the housing, a sanding belt, a driving roller driven by the motor and driving the sanding belt, a sliding shoe provided with a base, a deviating roller arranged so that said sanding belt is guidable over the deviating roller and the base of the sliding shoe, a unit for centering the sanding belt, a unit for clamping the sanding belt, the deviating roller and the driving roller have different diameters so that the sanding belt is guided inclinedly, the housing being elongated and the sanding belt being guided on guiding parts which are introduced in a rear region of the elongated housing so that with together with the sanding belt in a front region of the elongated housing a centrally forwardly extending, freely projecting, wedge tip-shaped contour is formed so that the hand-held belt sander as a whole has a lance-like contour.Type: GrantFiled: January 26, 1998Date of Patent: January 16, 2001Assignee: Robert Bosch GmbHInventors: Alfred Frech, Gerd Berner, Reiner Silberer, Michael Behrendes, Michael A Gabold, Joachim Schadow, Rudolf Fuchs, Sinisa Andrasic, Thomas Palaver, Juergen Koellner
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Patent number: 5398454Abstract: A surface grinding machine has a transmission housing, a grinding disc arranged movably on the transmission housing, a rotating drive which oscillatingly drives the grinding disc,and an angular transmission for transmitting a rotation of the rotating drive to the grinding disc and formed as a bendable shaft.Type: GrantFiled: May 14, 1993Date of Patent: March 21, 1995Assignee: Robert Bosch GmbHInventor: Gerd Berner
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Patent number: 5161334Abstract: For a hand power tool (1) with a multi-part manually operable quick-action chuck (2) for a disc-shaped tool (3) which is held on a shoulder (4) of a drive spindle (5) and onto which a force can be loaded from the other side by a pressure plate (7), with the pressure plate (7) concentrically embracing a threaded part (13) and being arranged positionally secured in relation to the threaded part and rotatable, with a hand screw part (11) embracing the threaded part (13) and th pressure plate (7) like a sleeve, and forming an annulus (14) with these, which contains at least a rolling contact bearing (9) and a drive which couples together the hand screw part (11), the threaded part (13), and the pressure plate (7), for improved function and a simplified design, and for a limitation of the maximum clamping pressure on the tool, a rolling planetary drive is formed from at least one of the rolling contact bearings (9, 12) in conjunction with a springly element (10), the drive which couples the pressure plate (7), theType: GrantFiled: May 24, 1991Date of Patent: November 10, 1992Assignee: Robert Bosch GmbHInventors: Gunter Schaal, Walter Barth, Gerd Berner