Title:
METHODS AND APPARATUS TO OPERATE POWERED DOORS
Document Type and Number:
WIPO Patent Application WO/2022/236091
Kind Code:
A3
Abstract:
Methods and apparatus to operate powered doors are disclosed. A door system includes a panel, and a track including a first track wall and a second track wall opposite the first track wall. The first and second track walls define a channel therebetween. A lateral edge of the panel is to move along the channel as the panel moves between a closed position and an open position. The door system further includes a first refeed block to be aligned with the first track wall. The first refeed block is to extend a first distance above the first track wall. The door system also includes a second refeed block to be aligned with the second track wall. The second refeed block is to extend a second distance above the second track wall. The first distance greater than the second distance.
Inventors:
LEWAN DEREK (US)
CAMPBELL STEVEN HART (US)
MOORE MICHAEL (US)
JANSEN THOMAS (US)
LEIBFRIED THOMAS (US)
KNUTSON PERRY (US)
PFAFF RYAN (US)
CAMPBELL STEVEN HART (US)
MOORE MICHAEL (US)
JANSEN THOMAS (US)
LEIBFRIED THOMAS (US)
KNUTSON PERRY (US)
PFAFF RYAN (US)
Application Number:
PCT/US2022/028128
Publication Date:
December 15, 2022
Filing Date:
May 06, 2022
Export Citation:
Assignee:
RITE HITE HOLDING CORP (US)
International Classes:
E06B9/13; E06B9/58
Domestic Patent References:
| WO2008127327A1 | 2008-10-23 |
Foreign References:
| JP2015169027A | 2015-09-28 |
Attorney, Agent or Firm:
SALMON, Scott D. (US)
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