CPC A47B 88/437 (2017.01) [A47B 88/473 (2017.01); F16C 29/045 (2013.01); F16C 29/10 (2013.01)] | 11 Claims |
1. A roller carriage for displaceable linear guidance in a longitudinal direction on a rail element, comprising:
a carrier;
a first roller;
a second roller; and
a third roller;
wherein every one of the first roller, the second roller and the third roller is mounted on the carrier such that each can rotate about a rotating axle,
wherein the rotating axles are substantially parallel to one another, and
wherein the first roller, the second roller and the third roller are disposed on the roller carriage such that the first roller can be brought into engagement with a first track of the rail element and the second roller and the third roller can be brought into engagement with a second track of the rail element,
wherein the first roller is mounted such that it can move in a transverse direction perpendicular to the longitudinal direction relative to the carrier,
wherein the movably mounted first roller is resiliently pretensioned in the transverse direction by a first spring element,
wherein the roller carriage comprises a lever which can be pivoted relative to the carrier about a pivot axis,
wherein the lever comprises a first arm,
wherein the movably mounted first roller is mounted on the first arm such that it can rotate about the rotating axle,
wherein the lever is resiliently pretensioned in a pivoting direction by the first spring element,
wherein the lever comprises a second arm,
wherein the pivot axis divides the lever into the first arm and the second arm, and
wherein a brake shoe which can be brought into engagement with the first track is disposed on the second arm so that the movably mounted first roller can be pivoted from a guiding position into a free position and at the same time the brake shoe can be pivoted from a released position into a braking position.
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