Elevator – industrial lift truck – or stationary lift for vehicle – Industrial lift truck or required component thereof – Having specific guide means for load support
Reexamination Certificate
2007-03-13
2007-03-13
Lillis, Eileen D. (Department: 3654)
Elevator, industrial lift truck, or stationary lift for vehicle
Industrial lift truck or required component thereof
Having specific guide means for load support
C187S222000, C187S230000, C187S234000
Reexamination Certificate
active
10937028
ABSTRACT:
An extractable mast structure for a fork-lift truck, including an outer mast fixed to the carriage, the spaced columns being interconnected via upper and lower traverses, an extractable inner mast guided by said outer mast on which a load-carrying means is guided to be movable up and down and the columns of which are interconnected via upper or lower traverses or a cross-beam, one mast lift cylinder for each column of said inner mast supported on said outer mast, piston rods of which are adapted to be connected to said cross-beam, and setting means between said piston rods and cross-beam for an equalization of the lift, wherein a male-threaded setting component is attached to the upper end of said piston rod of one of said two mast lift cylinders and a female-threaded bushing is screwed onto the male thread of said setting component and has supporting surfaces for said cross-beam.
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Jungheinrich Aktiengesellschaft
Lillis Eileen D.
Pico Eric E.
Vidas Arrett & Steinkraus
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