Rodless cylinder

Details Rodless cylinder Rodless cylinder

1982-10-25

1984-12-18

Garrett, Robert E.

Expansible chamber devices

With cushioning means effective over a portion only of stroke

92255, 91DIG4, 60545, F01B 1102

Patent

active

044884770

ABSTRACT:
A rodless cylinder having a piston and an operation member slidable along the outer circumferential surface of a cylinder tube, each mounted with permanent magnets, and adapted to move the operation member along the cylinder tube by utilizing the attraction force between these permanent magnets, in which a plurality of individual magnets disposed axially to the cylinder in each of driving and driven magnet rows are arranged such that identical poles of the individual magnets are in adjacent to each other, and both of the driving and driven magnet rows are arranged such that the different poles of the individual magnets in each of the magnet rows are opposed to each other can provide a greater attraction force between the magnet rows with no changes in the size of the magnet and thereby reduce the size of the entire apparatus.

REFERENCES:
patent: 2983840 (1961-05-01), Van Iperen

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