Title:
【発明の名称】輸送装置
Document Type and Number:
Japanese Patent JPH072578
Kind Code:
B2
Abstract:
Transportation apparatus, such as a moving walk or an escalator, having a continuous handrail driven about a closed loop by a handrail drive. The closed loop includes a longitudinal axis, or axes, which divide a load run on which passengers may grasp the handrail, and a return run. The transportation apparatus includes a drive unit which, in addition to driving the transportation apparatus, also drives the handrail drive via a drive chain or belt. The chain or belt is automatically tensioned, notwithstanding wear thereof, or longitudinal positional adjustment of the apparatus drive unit towards either end of the apparatus, by mounting the handrail drive unit such that it is free to move longitudinally, in either direction of the handrail, restrained only by the drive chain or belt.
Inventors:
Henry Boltlek
Edward Frank Pervis
Edward Frank Pervis
Application Number:
JP19564584A
Publication Date:
January 18, 1995
Filing Date:
September 17, 1984
Export Citation:
Assignee:
Invenzio Akchen Gesell shaft
International Classes:
B66B21/00; B66B23/04; B66B23/06; (IPC1-7): B66B23/04
Attorney, Agent or Firm:
Koichiro Kato
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