Title:
工業用ロールドアの高負荷運転
Document Type and Number:
Japanese Patent JP5384562
Kind Code:
B2
Abstract:
A high load operation industrial roll door, including a flexible door curtain windable about a top roll positioned above a door opening and provided with a drive system. The roll door includes a bottom beam fastened to the door curtain, and a biasing spring, for resisting movement of the door upon application of a load thereon, and a positive stop preventing movement of the biasing means beyond a predetermined point.
Inventors:
Bengtsson Michael
Rarusson Hakan
Sauve Raymond
Sievert Holger
Victor Jean
Parsson Kent
Rarusson Hakan
Sauve Raymond
Sievert Holger
Victor Jean
Parsson Kent
Application Number:
JP2011135496A
Publication Date:
January 08, 2014
Filing Date:
June 17, 2011
Export Citation:
Assignee:
Assa Abroy Entrance Systems Activola Get
International Classes:
E06B9/13; A47H1/00; E06B9/00; E06B9/40; E06B9/62
Domestic Patent References:
| JP6158962A |
Foreign References:
| US5222541 |
Attorney, Agent or Firm:
Michio Nagai