Handling apparatus having a retractable and extendable telescopi

Details Handling apparatus having a retractable and extendable telescopi Handling apparatus having a retractable and extendable telescopi

1994-09-01

1996-10-08

Keenan, James W.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Grab

414910, 901 21, 901 22, B25J 1802

Patent

active

055623930

ABSTRACT:
Handling apparatus, in particular a telescopic cylinder having at least one retractable and extendable telescopic part. For handling objects, in particular bobbins of wound packaging material, in conjunction with packaging machines, use can be made of long-stroke telescopic members (10) which effect the automatic movement of a load-bearing pin for each bobbin. The telescopic members (10) can be extended by compressed air and can be drawn in by a tension member (20). The tension member (20) is arranged outside the telescopic member (10), is fixedly anchored by one end, and can be wound up and unwound by the other end. The tension member (20) runs over a deflection wheel (23) arranged at the free end of the telescopic member (10), namely on a piston rod (15) of the same.

REFERENCES:
patent: 1868117 (1932-07-01), Pancoast
patent: 3180236 (1965-04-01), Beckett
patent: 4547119 (1985-10-01), Chance et al.
patent: 4566843 (1986-01-01), Iwatsuka et al.
patent: 4573856 (1986-03-01), Meyer et al.
patent: 4604026 (1986-08-01), Barrett
patent: 4637773 (1987-01-01), Nakashima et al.
patent: 5020323 (1991-06-01), Hurlimann
patent: 5116190 (1992-05-01), Silke
patent: 5451134 (1995-09-01), Bryfogle
Patent Abstracts of Japan, vol. 6, No. 124 (M-141) (1002) Jul. 9, 1982 & JP-A-57 048 571 (Toray Engineering K.K.) Mar. 19, 1982.

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