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https://drivepatents.com/patents/1103078 · 17 Jul 2002
The vehicle loading platform system (10) has a platform (18), raised and lowered by a parallelogram mechanism. The lifting/lowering mechanism has two horizontal and spaced carrier arms (12,13), locked together by an elastically distorting force train. A li...
https://drivepatents.com/patents/1103215 · 10 Jul 2002
Lifting platform system (10) comprises a platform (18) and an essentially parallelogram-shaped lifting device with two horizontal support arms (12, 13) arranged a distance apart, an asymmetrically arranged lifting cylinder (15) for lifting and lowering the...
https://drivepatents.com/patents/1105908 · 20 Mar 2002
The platform device has a four-link mechanism (14) with upper arm (16) connected by the first joint (40) to the load platform and the second joint (42) to the carrier device (20); and a lower arm (18) connected to the platform by a third joint (50) and the...
https://drivepatents.com/patents/1105904 · 20 Mar 2002
The platform (1) has at least one parallelogram-form lifting and angling carrier unit (2) for the platform (3). The lower connecting rod (6) is pivoted to a fixing element (4) on the carrier unit and to the platform. Each fixing element has several pre-for...
https://drivepatents.com/patents/1112402 · 13 Jun 2001
The tailgate system includes a lifting mechanism(12) with at least one support arm(13), and with a compression spring(28) or hydraulic or pneumatic spring acting between the second end of the support arm and a rotational pivot(137) of the tailgate extendin...