Title:
TURNTABLE
Document Type and Number:
Japanese Patent JP3363845
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To smoothly handle a hand pallet truck for a turntable by forming a tilting edge with a lower peripheral edge in at least a part of the outer periph ery of the upper plate, in the turntable in which the upper plate is rotatably supported over the lower plate.
SOLUTION: In this turntable 1 used mainly for cargo handling, an upper plate 3 is disposed over a lower plate 2, and the upper plate 3 can rotate about a rotation axis 4 in relation to the lower plate 2. A dual annular rib 5 is projected on the concentric circle about the rotation axis 4 on the lower surface of the upper plate 3, may steel balls 6 are engaged in this annular rib 5, the steel balls 6 support a load onto the upper plate 3 and simultaneously roll on the lower plate 2 to allow a rotation of the upper plate 3. The upper plate 3 is disk-like, its upper surface is flat, and two facing places on its outer periphery include a tilting edge 7 tilting so as to lower its peripheral edge.
Inventors:
Minoru Okada
Application Number:
JP22317599A
Publication Date:
January 08, 2003
Filing Date:
August 06, 1999
Export Citation:
Assignee:
Minoru Okada
International Classes:
B65G29/00; B65G47/80; (IPC1-7): B65G47/80; B65G29/00
Domestic Patent References:
| JP835353A | ||||
| JP726479B2 |
Other References:
【文献】実用新案登録2550690(JP,Y2)
Attorney, Agent or Firm:
Hideo Takeyasu