Mobile storage and transport unit for use in a shelf storage sys

Details Mobile storage and transport unit for use in a shelf storage sys Mobile storage and transport unit for use in a shelf storage sys

1977-05-17

1979-09-18

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Extensible

280 791R, B62B 108

Patent

active

041680782

ABSTRACT:
A mobile storage and transport rectangular roller unit with a roller and drawbar device for use in a shelf storage system. Each unit is provided with four wheels, one adjacent each corner in a four sided frame. The roller bar is provided with pair of rollers and cooperates with a coupling member of substantially cubic shape which is pivotally mounted on the drawbar. Two transverse cross members are at the front and back of the frame and lie opposite to each other, each formed by an inverted U-section having limbs of unequal length. The coupling member is provided with a top groove to receive the shorter limb of the inverted U-section and is thereby coupled at the shorter limb of the cross member to the four sided frame.

REFERENCES:
patent: 637650 (1899-11-01), Northrop
patent: 1740404 (1929-12-01), Kalberer
patent: 2259816 (1941-10-01), Harlan
patent: 2266398 (1941-12-01), Quayle
patent: 2266399 (1941-12-01), Quayle
patent: 3558152 (1971-01-01), Miles et al.

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