US 11,939,026 B2
Hydraulic master apparatus for a hydraulic brake or clutch of handlebar-guided vehicles and hydraulic brake of a handlebar-guided vehicle
Michael Ruopp, Berghülen (DE); Axel Wechsler, Sindelfingen (DE); and Philipp Rösing, Neuhausen (DE)
Assigned to Gustav Magenwirth GmbH & Co., Bad Urach (DE)
Filed by Gustav Magenwirth GmbH & Co. KG, Bad Urach (DE)
Filed on May 8, 2020, as Appl. No. 16/870,626.
Claims priority of application No. 10 2019 206 753.0 (DE), filed on May 9, 2019; and application No. 10 2019 208 990.9 (DE), filed on Jun. 19, 2019.
Prior Publication US 2020/0354015 A1, Nov. 12, 2020
Int. Cl. B62L 3/02 (2006.01); B60T 7/10 (2006.01); B60T 11/16 (2006.01); B60T 11/18 (2006.01); B62M 25/08 (2006.01); B60T 11/22 (2006.01)
CPC B62L 3/023 (2013.01) [B60T 7/102 (2013.01); B60T 11/165 (2013.01); B60T 11/18 (2013.01); B62M 25/08 (2013.01); B60T 11/22 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A hydraulic master apparatus for a hydraulic brake or clutch of handlebar-guided vehicles, the hydraulic master apparatus comprising:
a handlebar tube defining:
a longitudinal direction; and
a longitudinal axis within the handlebar tube extending in the longitudinal direction of the handlebar tube;
a support shaped to connect to the handlebar tube;
a lever pivotally mounted in the support; and
a hydraulic cylinder:
comprising a compensating chamber shaped to be disposed in the handlebar tube;
comprising a movable piston having disposed therein a central valve; and
being a master cylinder disposed between the support and the compensating chamber along the longitudinal axis.