Title:
物資の運搬装置及び方法
Document Type and Number:
Japanese Patent JP3708126
Kind Code:
B2
Abstract:
An extendible conveyor for conveying material to be loaded or unloaded from a trailer includes a telescoping boom supporting an endless conveyor belt for rotation about the telescoping boom at any extension length. A belt take-up is provided external to the telescoping boom for releasing or taking-up excess belt corresponding to the movement of the telescoping boom. A belt tension control arrangement which includes a control circuit and an extension sensor is provided to coordinate the release or take-up of excess conveyor belt corresponding to the telescoping boom movement while maintaining the conveyor belt at a desired belt tension. The extendible conveyor is pivotally supported for accommodating varying trailer bed heights and material loading conditions.
Inventors:
Bonnet, henry
Application Number:
JP52506096A
Publication Date:
October 19, 2005
Filing Date:
February 12, 1996
Export Citation:
Assignee:
United Parcel Service of America, Inc.
International Classes:
B65G21/14; B65G67/08; (IPC1-7): B65G67/08; B65G21/14
Domestic Patent References:
| JP5541692Y2 | ||||
| JP6329226A | ||||
| JP5359291U | ||||
| JP449116A | ||||
| JP2147511A |
Foreign References:
| US3228516 |
Attorney, Agent or Firm:
Tsutomu Toyama