Material or article handling – Vertically swinging load support
Patent
1977-03-30
1979-04-03
Werner, Frank E.
Material or article handling
Vertically swinging load support
198645, 414728, 414745, B65G 4790
Patent
active
041472586
ABSTRACT:
A transfer for elongated articles such as angles, flats, channels or rounds includes an optionally deployable rolling restraint to maintain rounds such as bars or tubes properly on the transfer during operation thereof. More particularly, the transfer is in the form of a relatively thin stacking carriage which elevates to pick up a single layer of predetermined width of such articles to transfer the same to the top of a stack being formed. The relatively thin stacking carriage pivots downwardly adjacent the top of the stack and then retracts with adjustable uprights on the stacking cradle causing the layer to be wiped off onto the top of the stack. During such retraction, the top surface of the stacking carriage must be free of obstructions to permit the layer properly to be wiped therefrom. Accordingly, a rolling restraint is provided for the stacking carriage which will move from an ambush position to a position projecting slightly above the top surface of the carriage as it elevates to lift the layer. When elevated, the restraint precludes rolling of articles on the surface of the stacking carriage. As the stacking carriage lowers to deposit the layer on the stack being formed, the restraint automatically retracts to its ambush position completely confined in the profile of the stacking carriage. Movement of the restraint from its extended to its ambush position and vice versa is obtained by oscillating its support shaft 90.degree. as the stacking carriage moves up and down. The drive for the restraint may be disconnected and secured so that the stacking carriage may be operated without operation of the rolling restraint.
REFERENCES:
patent: 3170782 (1965-02-01), Koenig
patent: 3737021 (1973-06-01), Reth et al.
patent: 3812951 (1974-05-01), Fullaway
patent: 3823812 (1974-07-01), Sieurin
patent: 3880296 (1975-04-01), Kaplan
patent: 4002248 (1977-01-01), Moller
Carl Krasny & Associates, Inc.
Werner Frank E.
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