JPS631896U - - Google Patents

Description

[Brief explanation of the drawing]

FIGS. 1A and 1B are a side view of the main part of a forklift showing the first embodiment of the present invention, and a sectional view of the part,
FIG. 2 is a sectional view of the corresponding portion of the second embodiment, and FIGS. 3A and 3B are a side view and a front view of the conventional example. 1: Outer mast, 2: Inner mast, 3: Lift cylinder, 4: Connecting plate, 5: Chain wheel, 7: Tilt cross member, 9: Top cross member, 20, 30: Stopper, 25: Intermediate cross member, 26, 30 :protrusion.

Claims (1)

[Scope of utility model registration request] The left and right inner masts are disposed inside the left and right outer masts so as to be movable up and down, and a connecting plate supporting a chain wheel is fixed between the upper ends of both piston rods of the left and right lift cylinders standing upright behind the masts. In a mast device that has a free lift amount until the connecting plate comes into contact with the top cross member between them, a stopper for preventing the inner mast from falling, which holds the upper end of the inner mast at the same height as the upper end of the outer mast, is bolted to the tilt cross member of the outer mast. 1. A forklift cargo handling device, characterized in that a protrusion is provided on an intermediate cross member of an inner mast for abutting against the stopper.