Patents by Inventor Martin Achenbach
Martin Achenbach 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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Publication number: 20150291246Abstract: A fork component is provided for an at least partially muscle-powered vehicle and in particular a bicycle having a fork column unit of a fibrous composite material. The fork column unit includes a fork column and a fork crown configured as two separate parts connected with one another by form-fit to form the fork column unit.Type: ApplicationFiled: April 8, 2015Publication date: October 15, 2015Inventors: Martin Achenbach, Martin Walthert, Valentin Wendel
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Patent number: 8960385Abstract: A pull shock damper for a bicycle comprising a spring device and a damper device, the spring device comprising a positive spring and a gas-operated negative chamber. The damper device comprises a first oil chamber and a second oil chamber connected therewith. The negative chamber abuts the first oil chamber via a piston. A tubular structure extends from the piston through the negative chamber interior up to the end of the negative chamber. The piston rod of the piston extends through the first oil chamber to the exterior.Type: GrantFiled: May 11, 2011Date of Patent: February 24, 2015Assignee: DT Swiss Inc.Inventor: Martin Achenbach
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Patent number: 8944422Abstract: A spring system in particular for bicycles includes a gas suspension spring with adjustable progression and a housing element for movably receiving the suspension piston of the gas suspension spring. The gas suspension spring has a spring volume including a first spring chamber and at least a second spring chamber separated from one another by a partitioning member. The first spring chamber is arranged within the housing element and the second spring chamber extends internal of the housing portion consecutive to the housing element.Type: GrantFiled: August 27, 2010Date of Patent: February 3, 2015Assignee: DT Swiss, Inc.Inventor: Martin Achenbach
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Patent number: 8783790Abstract: An axle system, and a two-wheeler component with a first dropout and a second dropout and an axle system with an axle for receiving a wheel of a two-wheeler, wherein a clamping mechanism with a tightening device and an end device is provided and equipped to clampingly attach the axle received at the dropouts between the tightening device and the end device. The clamping force is independent of a possibly possible rotary movement of the axle.Type: GrantFiled: June 15, 2011Date of Patent: July 22, 2014Assignee: DT Swiss Inc.Inventor: Martin Achenbach
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Publication number: 20120161503Abstract: Axle system and two-wheeler component having an axle system for a two-wheeler with an axle and a clamping mechanism comprising a tightening device at a first end portion of the axle and an end portion at a second end portion of the axle. The clamping mechanism is equipped to clampingly attach to a two-wheeler component a wheel received between the tightening device and the end device. The tightening device comprises an externally threaded, inner tightening member interacting with an internal threaded, outer tightening member which are axially displaceable relative to one another for tightening by way of rotating, an external diameter of the inner tightening member being larger than an external diameter of the axle at the second end portion.Type: ApplicationFiled: June 21, 2011Publication date: June 28, 2012Inventor: Martin Achenbach
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Patent number: 8196947Abstract: A suspension fork for a bicycle includes at least one stanchion tube and at least one slider tube interacting therewith and a wheel receiving space adjacent thereto. The suspension fork includes a damper system with a damper chamber divided into a first chamber and a second chamber by a movable piston. The suspension fork further includes a damping device for the rebound stage and a damping device for the compression stage are provided. A shut-off valve is provided for selectively locking the rebound stage. The damper chamber comprises a connecting duct with a flow damper that connects the second chamber with the first chamber when the stanchion tube and the slider tube interacting therewith are compressed more than a predefined distance such that in the case of a forceful compression and with the shut-off valve of the rebound stage activated, slow decompression is allowed up to a damper position as defined by the predetermined distance.Type: GrantFiled: November 12, 2009Date of Patent: June 12, 2012Assignee: DT Swiss Inc.Inventors: Martin Achenbach, Christian Mueller
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Patent number: 8181979Abstract: A suspension fork for a bicycle includes at least one stanchion tube and at least one slider tube interacting therewith and a wheel receiving space adjacent thereto. The suspension fork includes a damper system with a damper chamber divided into a first chamber and a second chamber by a movable piston. The suspension fork further includes a damping device for the rebound stage and a damping device for the compression stage are provided. A shut-off valve is provided for selectively locking the rebound stage. The damper chamber comprises a connecting duct with a flow damper that connects the second chamber with the first chamber when the stanchion tube and the slider tube interacting therewith are compressed more than a predefined distance such that in the case of a forceful compression and with the shut-off valve of the rebound stage activated, slow decompression is allowed up to a damper position as defined by the predetermined distance.Type: GrantFiled: November 12, 2009Date of Patent: May 22, 2012Assignee: DT Swiss Inc.Inventors: Martin Achenbach, Valentin Wendel
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Patent number: 8113529Abstract: A bicycle component with a wheel mount at which a wheel with a hub can be received, with the wheel mount including two tube components provided with a mounting device at each of its end portions. At the mounting device of at least one tube component a bushing device is arranged to be exchangeable and to be suitable and intended to receive and support a hub.Type: GrantFiled: March 10, 2009Date of Patent: February 14, 2012Assignee: DT Swiss Inc.Inventors: Stefan Spahr, Martin Achenbach
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Patent number: 8104782Abstract: A slider tube unit for a suspension fork of a bicycle, including two spaced-apart slider tubes and a wheel receiving space in-between, and at least one connector bracket connecting the two slider tubes above the wheel receiving space. The connector bracket includes a connector body which in its longitudinal extension from the one slider tube to the other slider tube is configured hollow wherein the connector body consists of an open basic profile and a reinforcing device closing the opening of the basic profile.Type: GrantFiled: October 28, 2009Date of Patent: January 31, 2012Assignee: DT Swiss Inc.Inventor: Martin Achenbach
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Publication number: 20110309671Abstract: An axle system, and a two-wheeler component with a first dropout and a second dropout and an axle system with an axle for receiving a wheel of a two-wheeler, wherein a clamping mechanism with a tightening device and an end device is provided and equipped to clampingly attach the axle received at the dropouts between the tightening device and the end device. The clamping force is independent of a possibly possible rotary movement of the axle.Type: ApplicationFiled: June 15, 2011Publication date: December 22, 2011Inventor: Martin Achenbach
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Publication number: 20110278776Abstract: A pull shock damper for a bicycle comprising a spring device and a damper device, the spring device comprising a positive spring and a gas-operated negative chamber. The damper device comprises a first oil chamber and a second oil chamber connected therewith. The negative chamber abuts the first oil chamber via a piston. A tubular structure extends from the piston through the negative chamber interior up to the end of the negative chamber. The piston rod of the piston extends through the first oil chamber to the exterior.Type: ApplicationFiled: May 11, 2011Publication date: November 17, 2011Inventor: Martin Achenbach
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Patent number: 8029010Abstract: A suspension fork for a bicycle includes at least one stanchion tube and at least one slider tube interacting therewith and a wheel receiving space, and a damper system. The damper system includes a damper chamber divided into a first chamber and a second chamber by a movable piston and a damping device for rebound damping and a damping device for compression damping. The damper system is disposed at the stanchion tube, the damping device for rebound damping and the damping device for compression damping are disposed above the movable piston.Type: GrantFiled: November 12, 2009Date of Patent: October 4, 2011Assignee: DT Swiss Inc.Inventor: Martin Achenbach
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Publication number: 20100320656Abstract: A spring system in particular for bicycles includes a gas suspension spring with adjustable progression and a housing element for movably receiving the suspension piston of the gas suspension spring. The gas suspension spring has a spring volume including a first spring chamber and at least a second spring chamber separated from one another by a partitioning member. The first spring chamber is arranged within the housing element and the second spring chamber extends internal of the housing portion consecutive to the housing element.Type: ApplicationFiled: August 27, 2010Publication date: December 23, 2010Inventor: Martin Achenbach
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Patent number: 7806390Abstract: A spring system in particular for bicycles includes a gas suspension spring with adjustable progression and a housing element for movably receiving the suspension piston of the gas suspension spring. The gas suspension spring includes a spring volume including a first spring chamber and at least a second spring chamber separated from one another by a partitioning member. The first spring chamber is arranged within the housing element and the second spring chamber extends internal of the housing portion consecutive to the housing element. One single adjustment element allows adjustment of both the damping system and the spring characteristics.Type: GrantFiled: December 27, 2005Date of Patent: October 5, 2010Assignee: DT Swiss, Inc.Inventor: Martin Achenbach
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Publication number: 20100117329Abstract: A suspension fork of a bicycle includes at least one stanchion tube and a slider tube interacting therewith and a wheel receiving space adjacent thereto, and a damper system. The damper system includes a shut-off valve to adjust a lockout in the rebound stage and a shut-off valve to adjust a lockout in the compression stage, and one joint adjusting element. Using the joint adjusting element, the locking of the rebound stage and locking of the compression stage can be adjusted.Type: ApplicationFiled: November 12, 2009Publication date: May 13, 2010Inventors: Martin Achenbach, Christian Mueller
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Publication number: 20100117321Abstract: A suspension fork for a bicycle includes at least one stanchion tube and at least one slider tube interacting therewith and a wheel receiving space, and a damper system. The damper system includes a damper chamber divided into a first chamber and a second chamber by a movable piston and a damping device for rebound damping and a damping device for compression damping. The damper system is disposed at the stanchion tube, the damping device for rebound damping and the damping device for compression damping are disposed above the movable piston.Type: ApplicationFiled: November 12, 2009Publication date: May 13, 2010Inventor: Martin Achenbach
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Publication number: 20100117322Abstract: A suspension fork for a bicycle includes at least one stanchion tube and at least one slider tube interacting therewith and a wheel receiving space adjacent thereto, and a damper system with a damper chamber divided into a first chamber and a second chamber by means of a movable piston. A damping device for the rebound stage and a damping device for the compression stage are provided. A shut-off valve is provided for selectively locking the rebound stage. The damper chamber comprises a connecting duct with a flow damper that connects the second chamber with the first chamber when the stanchion tube and the slider tube interacting therewith are compressed more than a predefined distance such that in the case of a forceful compression and with the shut-off valve of the rebound stage activated, slow decompression is allowed up to a damper position as defined by the predetermined distance.Type: ApplicationFiled: November 12, 2009Publication date: May 13, 2010Inventors: Martin Achenbach, Valentin Wendel
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Publication number: 20100102530Abstract: A slider tube unit for a suspension fork of a bicycle, including two spaced-apart slider tubes and a wheel receiving space in-between, and at least one connector bracket connecting the two slider tubes above the wheel receiving space. The connector bracket includes a connector body which in its longitudinal extension from the one slider tube to the other slider tube is configured hollow wherein the connector body consists of an open basic profile and a reinforcing device closing the opening of the basic profile.Type: ApplicationFiled: October 28, 2009Publication date: April 29, 2010Inventor: Martin Achenbach
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Publication number: 20090230653Abstract: A bicycle component with a wheel mount at which a wheel with a hub can be received. with the wheel mount including two tube components provided with a mounting device at each of its end portions. At the mounting device of at least one tube component a bushing device is arranged to be exchangeable and to be suitable and intended to receive and support a hub.Type: ApplicationFiled: March 10, 2009Publication date: September 17, 2009Inventors: Stefan Spahr, Martin Achenbach
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Publication number: 20090146390Abstract: A fork crown, fork for a bicycle and a method of manufacturing a fork crown including a body having a center portion and a center hole provided thereat for receiving and connection with a steering shaft. Furthermore the body includes two end portions, each of which has a mounting hole for receiving and connection with a fork shaft. The end portions are arranged symmetrically to the center portion and connected with the center portion through elongated legs provided with a hollow space. The legs are provided with a hollow space having an undercut at an accessible end thereof.Type: ApplicationFiled: December 3, 2008Publication date: June 11, 2009Inventor: Martin Achenbach