Stepless seat frame regulating structure

The utility model provides a stepless seat frame regulating structure mainly comprising a plate and a fixed frame, wherein, a stepless expansion regulating rod connected with a handle is arranged at an appropriate position in the center of the plate, two pulleys are respectively arranged on the doub...

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Bibliographic Details
Main Author MEIZHI CHEN
Format Patent
LanguageEnglish
Published 18.08.2004
Edition7
Subjects
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Summary:The utility model provides a stepless seat frame regulating structure mainly comprising a plate and a fixed frame, wherein, a stepless expansion regulating rod connected with a handle is arranged at an appropriate position in the center of the plate, two pulleys are respectively arranged on the double side, two rail slots corresponding to the pulleys are arranged on the two sides of the fixed frame, thereby a pulley of the plate is sleeved on the rail slot, and the front end of the regulating rod is connected with the advancing edge of the fixed frame. The rotation of the handle makes the regulating rod of an extending state, and makes the plate remove along the fixed frame back and forth. When the handle is released, the regulating rod is positioned. Therefore, the seat frame can be regulated back and forth.
Bibliography:Application Number: CN2003213668U