Title:
TENSIONING TOOL FOR A COUNTERBALANCE SYSTEM FOR SECTIONAL DOORS
Document Type and Number:
WIPO Patent Application WO2005083220
Kind Code:
A3
Abstract:
A door system (10) including, a door (d) movably mounted on a track assembly (15), a counterbalance system (20) connected to the door and having at least one spring (25), a tool adapter (26) proximate at least one end of the counterbalance system, a detachable winding assembly (30) adapted to selectively engage and selectively rotate the tool adapter to adjust tensioning of the spring, and a locking assembly (36) interacting with the counterbalance system to maintain a selected tensioning of the counterbalance system upon detaching the winding assembly from the tool adapter.
More Like This:
| WO/2019/072589 | DOOR |
| WO/2018/170018 | GARAGE DOOR SYSTEMS AND METHODS |
Inventors:
MULLET WILLIS J (US)
GREEN KELLY RAY (US)
GREEN KELLY RAY (US)
Application Number:
PCT/US2005/006226
Publication Date:
December 08, 2005
Filing Date:
February 25, 2005
Export Citation:
Assignee:
WAYNE DALTON CORP
MULLET WILLIS J (US)
GREEN KELLY RAY (US)
MULLET WILLIS J (US)
GREEN KELLY RAY (US)
International Classes:
E05D15/24; E06B9/62; (IPC1-7): E06B9/62
Foreign References:
| US5865235A | 1999-02-02 | |||
| US6134835A | 2000-10-24 | |||
| US5636678A | 1997-06-10 |
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