Handcart handle height adjusting mechanism

Details Handcart handle height adjusting mechanism Handcart handle height adjusting mechanism

1984-10-11

1986-05-06

Dorner, Kenneth J.

Machine element or mechanism

Control lever and linkage systems

Elements

24541, 280 4737R, 403330, 403108, B62K 2116, B62B 712, F16B 710

Patent

active

045863997

ABSTRACT:
A handle height adjusting mechanism includes a handle with an upper rod portion having a grip, and a lower rod portion for slidably supporting the upper rod portion. The upper rod portion has a lever turnably attached thereto. The lever has an engaging projection adapted to fit into engaging holes of the lower rod portion. The lever is constantly urged by springs in a direction which allows the engaging projection to fit in any one of the engaging holes. The upper rod portion has a stopper turnably attached thereto preventing a cancellation of the engagement between the engaging projection and an engaging hole. The stopper has a presser portion, and brake portions for contacting the lower rod portion when the presser portion covers the lever, so as to stop the turning movement of the stopper. Thus, when the engaging projection is in engagement with an engaging hole, the turning movement of the lever is inhibited and hence the engagement between the engaging projection and the engaging hole cannot be canceled.

REFERENCES:
patent: 627351 (1899-06-01), Raymond
patent: 846389 (1907-03-01), Blackburn
patent: 1954048 (1934-04-01), Jeffrey et al.
patent: 3026592 (1962-03-01), Dudley
patent: 4412689 (1983-11-01), Lee

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