Material or article handling – Elevator or hoist and loading or unloading means therefor – Grab
Patent
1988-09-22
1990-10-09
Skaggs, H. Grant
Material or article handling
Elevator or hoist and loading or unloading means therefor
Grab
294 641, 414627, B66F 918
Patent
active
049616820
ABSTRACT:
A device is adapted for preventing damage on products (4), preferably paper-rolls, which should not be bumped into when fetched and/or delivered by a transport vehicle (1) having a hoisting unit (2) with a transfer device (3) which is moveable relative to said hoisting unit such that it is relocated and adapted to the product when pressed thereagainst by the transport vehicle, whereby the product preferably may be sucked onto a suction device forming part of the transfer device. In order to prevent damage to the edges of the product when it is fetched or delivered, the device includes a locking device (8) which, after that the transfer device (3) has adapted to the product and said product preferably is sucked onto the suction device, locks the transfer device relative to the hoisting unit (2) in order to prevent forward tilting of the transfer device and the product thereon when said product is lifted and/or transported and/or delivered.
REFERENCES:
patent: 3207348 (1965-09-01), Olson
patent: 3260392 (1966-07-01), Harris
patent: 3367705 (1968-02-01), Ames
patent: 3376061 (1968-04-01), Harris et al.
patent: 4516905 (1985-05-01), Cavin et al.
patent: 4640661 (1987-02-01), Rasmussen
Gastineau Cheryl L.
Skaggs H. Grant
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