Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1982-02-05
1984-12-25
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Endless conveyor
198864, 414 7, 901 19, 901 14, 901 25, B65G 1560, B65G 2114
Patent
active
044898266
ABSTRACT:
The disclosed mechanism includes multiple links having adjustable-length drive units connected in series and operated coordinately. The illustrative form of adjustable-length drive unit has oppositely extending elements oppositely threaded in a body that is secured to a mount, the oppositely extending elements being keyed to each other for conjoint rotation that allows extension and contraction of the drive unit. In one form, successive drive units of successive links produce tilting of articulated links in respective planes perpendicular to each other.
REFERENCES:
patent: 2420363 (1947-05-01), Espenas
patent: 2913267 (1959-11-01), Johnson, Jr.
patent: 3284964 (1964-03-01), Saito
patent: 3580099 (1969-09-01), Mosher
patent: 3631737 (1970-09-01), Wells
patent: 4107948 (1977-01-01), Molaug
patent: 4300362 (1981-11-01), Lande et al.
patent: 4337868 (1982-07-01), Gatty
patent: 4393728 (1983-07-01), Larson et al.
Alexander Daniel R.
Valenza Joseph E.
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