Title:
HEAVY LOAD TRANSPORTING HAND TRUCK
Document Type and Number:
Japanese Patent JP2634030
Kind Code:
B2
Abstract:
PURPOSE: To provide a heavy load transporting hand truck that can change a direction and shift sideways, simply, easily and safely in a narrow passage.
CONSTITUTION: Rear wheels 2 formed of swivel wheels provided at the rear part of a pan 1, a front wheel 3 supported rotatably around a front lateral axis, and a front swivel wheel 4 are respectively supported so as to be elevated. Jacks 5-7 are provided to separately elevate the rear wheels 2, the front wheel 3 and the front swivel wheel 4, and the respective jacks 5-7 are switched by a direction switching valve 9 into a first levitation state of levitating the pan 1 from the floor face by lowering the rear wheels 2 and the front wheel 3, a second levitation state of levitating the pan 1 from the floor face by lowering the rear wheels 2 and the front swivel wheel 4, and a grounding state of grounding the pan 1 onto the floor face by lifting all the wheels.
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Inventors:
KISHIDA SHINICHI
HAGANE KAZUYOSHI
HAGANE KAZUYOSHI
Application Number:
JP52995A
Publication Date:
July 23, 1997
Filing Date:
January 06, 1995
Export Citation:
Assignee:
KANDEN KOGYO KK
International Classes:
B60B33/00; B60B33/06; B62B3/02; (IPC1-7): B62B3/02; B60B33/00; B60B33/06
Domestic Patent References:
| JP52159103U |
Attorney, Agent or Firm:
Yoshiki Takagi