E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
160/5
E06B 3/48 (2006.01) E05D 15/24 (2006.01)
Patent
CA 1130191
ABSTRACT The device required to produce the desires effect of this invention idea consist of a stretch type spring, of appropriate size, with attaching brackets for each end. Attached to the lower portion of a sectional overhead door supporting cable, in a prescribed manner, the device acts on a potential problem in an already installed, shaft operated door of this type. It provides a secondary, opposing tension to a portion of the cable, which tension will, in effect, absorb potentially dangerous cable slack when it occurs. The simplicity of the device provides for low cost, relatively easy installation and no requirement for lubrication.
376944
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