Conveyors – chutes – skids – guides – and ways – Chutes – Flexible wall
Patent
1989-10-30
1990-08-07
Skaggs, H. Grant
Conveyors, chutes, skids, guides, and ways
Chutes
Flexible wall
4141431, 193 27, 198536, B65G 1114
Patent
active
049460188
ABSTRACT:
The present invention is directed to a loading chute which includes a hoist frame adapted to be mounted on a conventional loader conveyor above a bulk material hold of a cargo vessel, for example. A plurality of chute segments are provided and are hingeably attached end-to-end in zigzag fashion such that a lower discharge end of a chute segment is attached to an upper receiving end of a subjacent chute segment. Each hinge attachment includes an outwardly extending pivot pin which is attached to a link plate. The link plates between adjacent spaced chutes are joined together by vertically extending semi-rigid support strands which bear the weight of the array of chutes. Hoisting ropes are attached to the lowermost chute segment and are reeled in and out by motor driven hoist reels or drums. Elastic ropes extend laterally from the link plate members at each chute segment hinge to an adjacent support strand. The elastic ropes apply a biasing force to the respective support strands to cause the support strands to be pulled inwardly toward the respective chute hinges to fold into a nested, stowed position when the chute segments are retracted. The support strands are semi-rigid, single braided steel wire strands which preferably include hinged members to permit the folding of the support strands.
REFERENCES:
patent: 997276 (1911-07-01), Curtis
patent: 1539559 (1925-05-01), Hamachek
patent: 1583833 (1926-05-01), Howell
patent: 1633627 (1927-06-01), First
patent: 2502341 (1950-03-01), Queirolo
patent: 2513696 (1950-07-01), Veldhuren
patent: 3696735 (1972-10-01), Boertte et al.
patent: 3926290 (1975-12-01), Isojima et al.
patent: 4161243 (1979-07-01), Grisnich
patent: 4218168 (1980-08-01), Parsons
Binzen Willard
Gadsby David A.
Lee Chung C.
Dayoan D. Glenn
Dravo Wellman, Inc.
Skaggs H. Grant
LandOfFree
Extensible and retractable chute does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Extensible and retractable chute, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extensible and retractable chute will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-953892