Land vehicles: bodies and tops – Tops – Roll-up covers
Patent
1997-06-27
1998-11-03
Dayoan, D. Glenn
Land vehicles: bodies and tops
Tops
Roll-up covers
29610001, 29610014, 29610011, 74108, 74109, B60P 704
Patent
active
058298185
ABSTRACT:
A device for covering and uncovering an opening of a container for a truck or trailer has a pair of pivotal arms that are mounted along opposite sides of the container with each arm having an outer and inner end. A cross-member is mounted between the outer ends of the pivotal arms so that the pivotal arms are coupled together. The inner end of each arm is mounted to the truck or trailer at a pivot point so that arms can be pivoted between a starting position and an end position. A flexible covering is coupled to the outer ends of the arms and is drawn or withdrawn over the opening when the arms are moved to the end and starting positions. The arms are moved by providing a convex arcuate contact portion located about the pivot point of the arm. A piston rod and cylinder are mounted adjacent the contact portion. An arm engagement member is coupled to the piston rod and cylinder and engages the contact portion of the arm so that linear movement of the arm engagement member causes the arms to pivot.
REFERENCES:
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patent: 3975047 (1976-08-01), McClellan
patent: 4030780 (1977-06-01), Petretti
patent: 4050734 (1977-09-01), Richard
patent: 4874196 (1989-10-01), Goldstein et al.
patent: 5058956 (1991-10-01), Godwin, Sr.
patent: 5340187 (1994-08-01), Haddad, Jr.
patent: 5482347 (1996-01-01), Clarys et al.
patent: 5573295 (1996-11-01), Haddad, Jr.
International Application No. PCT/US97/22970 PCT International Search Report completed Mar. 24, 1998.
Dayoan D. Glenn
Gunter Jr. Charles D.
Morrow Jason
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