US Patent:
20150083348, Mar 26, 2015
Inventors:
- Akron NY, US
Mark J. Szczygielski - Akron NY, US
Assignee:
Whiting Door Manufacturing Corporation - Akron NY
International Classification:
E06B 9/62
E06B 9/58
Abstract:
An improved roll-up door assembly () is configured to be coupled to a storage container, such as a truck trailer (), and broadly comprises: a roll-up door including a plurality of door panels (A-G), of which adjacent panels are hingedly coupled to one another; a hinge () having an first hinge plate () coupled directly to a bottom panel (A) of the door, having a second hinge plate (), and having a hinge joint () pivotally coupling the first and second hinge plates to one another for enabling relative movement therebetween; a bottom roller () coupled to the second hinge plate for movement therewith about the joint; a counterbalance mechanism mounted on the storage container; a cable () connecting the counterbalance mechanism to the bottom door panel; and a snubber () surrounding the cable and adapted to engage the counterbalance mechanism when the bottom door panel is moved toward the counterbalance mechanism.