Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1976-07-21
1977-07-26
Blunk, Evon C.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
198772, 198600, B65G 3500
Patent
active
040377148
ABSTRACT:
A conveyor consisting of a transfer bar provided with article supporting rollers, a stationary frame supporting the transfer bar, and driving means for reciprocating the transfer bar on forwarding and return movements, anti-backup dogs being mounted on the frame to prevent return article movement. An expandable and contractable section is provided at each end of the transfer bar, each section including a number of article supports which are slidably mounted on the frame so that their longitudinal spacing can be increased by a chain connection to the transfer bar and can be decreased through engagement by the transfer bar. Each article support has an article carrying roller mounted at the level of the article supporting rollers of the transfer bar so that the combination of the transfer bar and the expandable and contractable sections provides a reciprocating conveyor of fixed length having a continuous support along which articles can be conveyed, stopped, accumulated and transferred to another conveyor, as desired.
REFERENCES:
patent: 2820542 (1958-01-01), Oswald
patent: 3030896 (1962-04-01), Umbricht et al.
patent: 3048258 (1962-08-01), Skold
patent: 3139171 (1964-06-01), Umbrict et al.
patent: 3355008 (1967-11-01), Milazzo
patent: 3512630 (1970-05-01), Greenfield
Blunk Evon C.
Centri-Spray Corporation
Farley Joseph W.
Thomson Richard K.
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