4-rod mechanism driven by dual L-shaped pedal levers for manually driven vehicle

4-rod mechanism driven by dual L-shaped pedal levers for manually driven vehicle

  • CN 1,137,832 C
  • Filed: 03/16/1999
  • Issued: 02/11/2004
  • Est. Priority Date: 03/16/1999
  • Status: Active Grant
First Claim
Patent Images

1. , the four-bar mechanism of the two L shaped pedal rod driven of a kind of rickshaw, it is characterized in that:

  • contain axis (7), following chain stay (2), assembly (3) is connected, treadle axle or treadle cover (4,4 '"'"'), crank (5,5 '"'"'), L shaped treadle (6,6 '"'"'), connecting rod (11,11 '"'"'), L shaped treadle is by treadle axle on the assembly that is connected (3) or treadle cover (4,4 '"'"') be fixed on down on the chain stay (2), the dual mode that is fixedly connected with of the L shaped treadle and the assembly that is connected;

    a kind of is to be connected and fixed with the treadle axle running-fit on the hole and the assembly that is connected, another kind is to be connected and fixed with the treadle cover running-fit on the axle and the assembly that is connected, the long limit of L shaped treadle last be treadle, pedal (8 is established in the outer end, 8 '"'"'), minor face is being down a rocking bar, rocking bar Xiao (12 is established in the outer end, 12 '"'"'), and the junction point of treadle and rocking bar both had been the heart that revolves of L shaped treadle, on the interaxle chain stay (2) down in back or bottom in can being located at, also can be located on the chain stay, a left side, right crank (5,5 '"'"'), be fixed on axis two outer ends symmetry each other, fixing crank Xiao (9 is established in its outer end, 9 '"'"'), connecting rod (11,11 '"'"') two stomidiums by bearing respectively with rocking bar Xiao (12,12 '"'"') and crank Xiao (9,9 '"'"') be connected, crank starts the angle and is not less than 15 degree.

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