G - Physics – 05 – D
Patent
G - Physics
05
D
341/1.3
G05D 3/00 (2006.01) B23Q 17/22 (2006.01) B66C 13/16 (2006.01) B66F 3/24 (2006.01)
Patent
CA 1039829
ABSTRACT OF THE DISCLOSURE Where an article is supported at one position at a given level it is known to replace it by lifting it with a crane, transferring it to another position, releasing it, gripping a fresh article, placing the fresh article in the position originally occupied by the old article and raising or lowering the fresh article to the original level as nearly as can be judged by eye. In this invention, article-exchanging apparatus comprise means movable between the two positions, vertical lifting means, and measuring means adapted to measure vertical displacement of the article only when the measuring means are subjected to the weight of the article. This arrange- ment allow precise positioning of the fresh article at the level of the original article without relying on visual judgement of the level.
223763
Fukumoto Mikio
Kato Shozo
Kondo Naomitsu
Miyaji Yorio
Takahashi Yutaka
Kabushiki Kaisha Miyazaki Tekkosho
Sumitomo Aluminium Smelting Company
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