Forklift truck

Details Forklift truck Forklift truck

1993-03-23

1997-01-07

Werner, Frank E.

Motor vehicles

Special wheel base

Having only three wheels

16 19, 16 44, 280 4322, 280 4312, 414495, 414608, 187222, 254 2R, B62D 6300

Patent

active

055907350

ABSTRACT:
A forklift truck having a drive wheel and a plurality of support wheels and a mounting arrangement for independently adjusting the vertical position of each support wheel. The mounting arrangement includes a cylindrical pivot sleeve attached to the forklift truck and a cylindrical pivot member coaxial with the cylindrical pivot sleeve and longitudinally and rotatably adjustable in the cylindrical pivot sleeve. A support wheel is pivotally mounted on the lower end of the cylindrical pivot member and a pin is provided adjacent to the lower end of the cylindrical pivot member for locking the cylindrical pivot member in one of at least two vertical positions in the cylindrical pivot sleeve.

REFERENCES:
patent: 1161007 (1915-11-01), Overmyer
patent: 1247827 (1917-11-01), Hansen
patent: 1482953 (1924-02-01), Tideman
patent: 2172973 (1939-09-01), Hays et al.
patent: 2793875 (1957-05-01), Quayle
patent: 3372769 (1968-03-01), Jung et al.
patent: 4166516 (1979-09-01), Thurmond, Jr.
patent: 4575896 (1986-03-01), Nakao et al.
patent: 4750579 (1988-06-01), Jarl et al.

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