| OPCON MANUFACTURING SYSTEMS, INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110314741 | SEALING ARRANGEMENT FOR DOOR OPERATING APPARATUS RETROFIT KIT - A retrofit conversion kit for converting a generally moisture intolerant door operating apparatus from overhead use to underground use and for operating a swinging door while protecting the door apparatus against moisture and dust encroachment within its underground location. The kit includes an enclosure to be mounted in a sub-floor stratum beneath a swinging door, with all of the door operating and controlling apparatus, whether electronic or mechanical, being self-contained within the enclosure. A seal arrangement provides the contamination encroachment protection while permitting access to the self-contained operating apparatus within the enclosure while the door remains in place. | 12-29-2011 |
| 20110302848 | METHOD FOR INSTALLING DOOR OPERATING APPARATUS - A method for installing a retrofit conversion kit for converting a door operating apparatus from overhead use to underground use and for operating a swinging door while protecting the door apparatus against moisture and dust encroachment within its underground location. A seal arrangement provides this contamination encroachment protection. | 12-15-2011 |
| 20080256870 | ADJUSTABLE SPINDLE ARRANGEMENT FOR DOOR OPERATING APPARATUS RETROFIT KIT - A retrofit conversion kit for facilitating the conversion of a door operating apparatus conventionally mounted above the door, to a position mounted and anchored underground for operating a swinging door therefrom. The conversion to an anchored underground position is facilitated by incorporating positional adjustment mechanisms covering any or all possible adjustment dimensions. | 10-23-2008 |
| 20080256869 | SEALING ARRANGEMENT FOR DOOR OPERATING APPARATUS RETROFIT KIT - A retrofit conversion kit for converting a door operating apparatus from overhead use to underground use and for operating a swinging door while protecting the door apparatus against moisture and dust encroachment within its underground location. A seal arrangement provides this contamination encroachment protection. | 10-23-2008 |
