Handle structure of walk-behind working machine

Handle structure of walk-behind working machine

  • CN 101,438,640 B
  • Filed: 11/21/2008
  • Issued: 06/19/2013
  • Est. Priority Date: 11/21/2007
  • Status: Active Grant
First Claim
Patent Images

1. the handle arrangement (20) of a walk-behind working machine (10), this handle arrangement comprises:

  • Handle (22), this handle has;

    from left back end and right rear end upwardly extending upper left ascending part (31) and the upper right ascending part (32) of handle frame (21), this handle frame tilts to extend to the back upper place from the rear portion of the machine body (11) of described workover rig;

    With across section (33), should interconnect across corresponding upper end of section and described upper left ascending part and upper right ascending part;

    Andmain clutch bar (23), this main clutch bar is connected to described handle frame, be used for moving pivotally between clutch open position and clutch position, described main clutch bar can by move into backward be resisted against described upper and transform to described clutch position from described clutch open position across section (33), described main clutch bar forms by this way, that is;

    when described main clutch bar be resisted against described across section on the time, guarantee a space (S) between described upper left ascending part and described upper right ascending part and described main clutch bar, this space makes operating personnel can grasp described upper left ascending part and described upper right ascending part,Wherein, described main clutch bar (23) pivotally is arranged on the left installation bracket (35) and right mounting bracket (45) of the downside that is welded in described handle frame (21), and the profile that has generally'"'"'S '"'"'-shaped when observing from the side;

    Be provided with latch (36) on the inboard (27d) of the left back horizontal part (27) of described handle frame (21),Each roughly is inverted U-shaped described left installation bracket (35) and described right mounting bracket (45), comprises upper wall portions (37), madial wall section (38) and the lateral wall section (39) of extending from the inner and the outer end of this upper wall portions (37),left support pin (42) pivotally is arranged in the described madial wall section (38) and lateral wall section (39) of described left installation bracket (35), left-hand screw spring (43) is arranged on described left support pin (42), described left-hand screw spring (43) has by an end (43a) of described upper wall portions (37) maintenance of described left installation bracket (35) and the other end (43b) that is kept by left stop pin (44), the lower end of the left shank (56) of described main clutch bar (23) has left boss (61), and described left support pin (42) is assemblied in the pilot hole (62) of described left boss (61), described left boss (61) and described left support pin (42) are fixed together by another left stop pin (63), described left stop pin (44) is arranged on left elongator (64) from from described left boss (61) to downward-extension.

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