Adjustable sleeper

Adjustable sleeper

  • CN 101,434,215 B
  • Filed: 12/25/2008
  • Issued: 05/13/2015
  • Est. Priority Date: 12/25/2008
  • Status: Active Grant
First Claim
Patent Images

1. an adjustable sleeper, comprise sleeping berth underframe and mattress, it is characterized in that:

  • the sleeping berth underframe below the human thigh of sleeping berth and shank crouch the mattress putting position is provided with a set of berth leg support mechanism, and berth leg support mechanism and a set of berth leg holder lifting drive are in transmission connection;

    Wherein, the quadrant that described berth leg holder lifting drive is coaxially fixedly assembled together by the rear end with thigh support plate and engage each other with this quadrant the hand wheel type driver train that transmission is assembled together and form;

    Described manual pulley driver train comprises output gear, housing, cover plate, torsion spring, driving wheel, input shaft and handle, driving wheel and input shaft are fixedly connected, output gear drives quadrant to rotate, and torsion spring, driving wheel are all arranged in housing, and cover plate is arranged on outside housing, when using driving handle, driving wheel and input shaft thereupon together with rotate, and drive torsion spring to rotate, and then driver output pinion rotation.

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