| US 7,513,293 B2 | ||
| Method and apparatus for directionally controlling a movable partition | ||
| E. Carl Goodman, Bountiful, Utah (US); Kevin D. Banta, Highland, Utah (US); D. George Field, Pleasant Grove, Utah (US); and William Michael Coleman, Salt Lake City, Utah (US) | ||
| Assigned to Won-Door Corporation, Salt Lake City, Utah (US) | ||
| Filed on Sep. 18, 2007, as Appl. No. 11/857,203. | ||
| Application 11/857203 is a division of application No. 11/097101, filed on Apr. 01, 2005. | ||
| Claims priority of provisional application 60/558944, filed on Apr. 02, 2004. | ||
| Prior Publication US 2008/0023152 A1, Jan. 31, 2008 | ||
| Int. Cl. E05F 15/00 (2006.01) | ||
| U.S. Cl. 160—188 | 25 Claims |
| 1. An automatic door comprising:
at least one partition including a plurality of hingedly coupled panels;
a drive configured to motivate the at least one partition along a defined pathway; and
a directional control apparatus coupled to a lower edge of the at least one partition, the directional control apparatus comprising:
at least one roller assembly coupled to the at least one partition and comprising at least one roller element; and
a steering actuator operatively coupled with the at least one roller assembly and configured to alter an orientation of the
at least one roller assembly relative to the at least one partition.
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