Patent ID: 7762304
Filing Date: 2010-07-27
Classification: E06B

Abstract:
1. A device for detecting an obstacle and limiting the force of a primary edge or closure sill bar ( 10 ) of a flexible apron or curtain ( 5 ) of a goods-handling door ( 1 ) upon the event of the goods-handling door ( 1 ) encountering the obstacle ( 14 ) while the goods-handling door ( 1 ) is closing, said goods-handling door ( 1 ) including means of driving said flexible curtain or apron ( 5 ), and two vertical uprights ( 2 , 3 ) arranged to oppose each other, each of said vertical uprights connected to a guiding device ( 8 ) with two opposing slides ( 11 , 12 ), and each guiding device ( 8 ) constituting a guide ( 15 ) on and over an entire height of each respective upright, the device comprising: elements ( safety cells ( wherein said elements ( wherein the safety cells are configured such that, when said curtain or apron (