Vehicle cab or vehicle seat comprising a height-adjustment device
US10065533B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 15, 2017 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Dec 15, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D33/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a vehicle cab or a vehicle seat comprising an upper part and a lower part which are vertically spring-mounted relative to one another by means of at least one height-adjustable scissor-action frame comprising two scissor arms which are pivotable about a common axis, and at least one air spring having a variable air volume, it being possible for movements of the scissor-action frame to be transmitted to a switching element, by means of a transmission element that is mechanically operatively connected to the scissor-action frame, in order to control the air volume of the air spring, wherein a height-adjustment device for the scissor-action frame, comprising a manually actuable control lever element and a guide element that is mechanically operatively connected thereto, the switching element being able to be pivoted about a first axis of rotation and the transmission element being able to be pivoted about the first axis of rotation in the opposite direction to the switching element by means of the guide element, in order to change a neutral position of the switching element that is between two switches provided for controlling an air volume of the air spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.