Advancing material of indeterminate length – By orbitally traveling material-engaging surface
Patent
1995-01-30
1998-11-17
Marmor, Charles A.
Advancing material of indeterminate length
By orbitally traveling material-engaging surface
226179, 226182, B65H 2000
Patent
active
058364994
ABSTRACT:
A sectional door (20) having a plurality of panels (21, 22, 23, 24) including, a body portion (25) of the panels spacing and joining longitudinal edges (40, 50), one of the edges (40) between adjacent panels on a first panel having a substantially concave curvilinear surface (45) in vertical cross-section, the other of the edges (50) between adjacent panels on a second panel having a substantially planar surface (52) in vertical cross-section, longitudinally-spaced hinges (65) interconnecting the first and second panels for pivotal movement. The hinges include a first hinge element (66) having a first leaf (67) overlying and attached to one of the adjacent panels, a generally cylindrical first knuckle (72) at one edge of the first leaf, a through slot (73) in the first leaf proximate the first knuckle, a second hinge element (80) having a second leaf (85) overlying and attached to an adjacent panel, and a generally cylindrical second knuckle (81) at one edge of the second hinge element extending into the through slot and rotatable about the first knuckle. A panel (22) for sectional door (20) having a generally rectangular foam core (140, 240, 340), an inner surface (145, 245, 345) extending the longitudinal length of said foam core, and a recess (150, 250, 350) in the inner surface and the foam core extending the longitudinal length of the foam core. A bracket assembly (110) for the bottom (35) of the lower panel (24) of the door including, an L-shaped plate (111) overlying a portion of the inner surface (36) of the lower panel, a generally cylindrical sleeve (120) affixed on the plate for receiving a shaft (121) mounting one of the rollers (122), fasteners (115) for attaching the L-shaped plate to the lower panel positioned to underlie a portion of the cylindrical sleeve and the shaft, and cut-outs (125) in the cylindrical sleeve positioned substantially above the fasteners whereby the fasteners may be removed only when the shaft is not positioned in the cylindrical sleeve. Conveyor apparatus (400, 500) for the continuous production of foam-cored door panel material (22') having a first conveyor (410, 501) having a first panel-engaging surface (426, 503) lying in a plane for engaging the planar skin on one side of the panel material, a drive assembly (415, 510) for driving the first conveyor at a selected speed, a second conveyor (402, 502) having second and third panel-engaging surfaces (451, 464; 535, 540) for engaging spaced skin surfaces (146, 146) and an offset skin surface (150), respectively, on the other side of the panel material, and a drive assembly (435, 520) for driving at least one of the second and third panel-engaging surfaces of the second conveyor at substantially the selected speed of the first conveyor.
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Bennett, III Thomas B.
Mitchell Albert W.
Mullet Willis J.
Wilson William S.
Kaness Matthew A.
Marmor Charles A.
Wayne-Dalton Corp.
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