Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1995-11-29
1997-06-17
Bidwell, James R.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
1987502, B65G 2500
Patent
active
056389434
ABSTRACT:
Each of a plurality of side-by-side drive units (90, 92, 94) has a cylinder barrel component (98, 100, 102, 104, 106, 108) at each end and a centrally positioned piston component (110, 112, 114). The drive assembly also includes a pair of longitudinally spaced apart transverse mounting frame members (116, 118), each of which has an elongated body (124) with a corrugated center section (132). The center section (132) has a plurality of alternating ridges (134) and valleys (136) extending transversely of the body (124). Each valley (136) is sized to receive a cylinder barrel component. The cylinder barrel components are secured by clamps (142). At least one strengthening rib (126, 128, 130) is secured to the body (124) and extends crosswise of the ridges (134) and valleys (136) to strengthen the corrugated center section (132). The cylinder barrel components have opposite end flanges (144, 146) that abut the mounting frame members (116, 118) to restrain longitudinal movement of the components. In alternative embodiments, only one end of each drive unit has a cylinder barrel component mounted in a valley of a corrugated frame member. At the opposite end, a piston rod is slidably connected to another frame member.
REFERENCES:
patent: 4748893 (1988-06-01), Foster
patent: 4793469 (1988-12-01), Foster
patent: 5165524 (1992-11-01), Foster
patent: 5263573 (1993-11-01), Hallstrom, Jr.
patent: 5390781 (1995-02-01), Foster
patent: 5489018 (1996-02-01), Foster
Barnard Delbert J.
Bidwell James R.
Pauly Joan H.
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