Invention Grant
- Patent Title: Vehicle seat having a roller guide
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Application No.: US16903687Application Date: 2020-06-17
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Publication No.: US11267371B2Publication Date: 2022-03-08
- Inventor: Hubert Wittmann
- Applicant: GRAMMER AG
- Applicant Address: DE Amberg
- Assignee: GRAMMER AG
- Current Assignee: GRAMMER AG
- Current Assignee Address: DE Amberg
- Agency: Sheridan Ross P.C.
- Priority: DE102019116787.6 20190621
- Main IPC: B60N2/07
- IPC: B60N2/07 ; B60N2/02 ; B60N2/16

Abstract:
The invention relates to a vehicle seat having a roller guide which has at least one guide rail which is at least partially sideways open and at least one running roller rolling in the guide rail, connected to parts of the vehicle seat via an axle member, wherein a running surface of the running roller is rollable along a roller-underside inner wall of the guide rail arranged parallel or at an angle to a middle axle of the running roller, wherein the running roller comprises at least a first area and a second area, wherein the first area forms at least a part of the running surface and the second area is arranged in a radial direction of the running roller at least partially between the axle member and the first area and in contact with both. According to the invention, an electrical conductivity of the first area is lower than an electrical conductivity of the second area.
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