Cushion moving device of seat of train

The utility model relates to a cushion shifting device, disclosing a train chair cushion shifting device, including shifting frames, a pair of pulley connecting bar arms, guiding blocks and adjusting air cylinders. Sliding grooves are set on the shifting frames, sliding pulleys are set on the pulley...

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Bibliographic Details
Main Author CUIPING,SHEN MA
Format Patent
LanguageEnglish
Published 25.07.2007
Subjects
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Summary:The utility model relates to a cushion shifting device, disclosing a train chair cushion shifting device, including shifting frames, a pair of pulley connecting bar arms, guiding blocks and adjusting air cylinders. Sliding grooves are set on the shifting frames, sliding pulleys are set on the pulley connecting bar arms, the sliding pulleys are embedded in the sliding grooves to form a sliding pair, the guiding blocks are set under the shifting frame, the shifting frames can move forward and backward along the upper end surface of the guiding blocks, and one end of the adjusting air cylinder is movably connected with the shifting frame. The utility model adopts the combination of a shifting frame and a sliding pulley connecting bar arm can easily create the function of the cushion shifting, and the front end of the cushion upwarps slightly when the cushion is moved forward, meeting the requirements of human engineering. In addition, the utility model adopts a sliding pair arranged symmetrically and the shifting guide arranged symmetrically, to avoid the problems that the parts are damaged because of uneven stress and the service life of the chair framework is lowered, etc. The utility model meets the requirement of train chair comfort.
Bibliography:Application Number: CN2006243581U