Patent ID: 6470951
Filing Date: 2002-10-29
Classification: E06B

Abstract:
A structure of a blind adjustment operating by a rail and a shaft, comprising a housing coupled to said rail, said housing having a longitudinally extended opening formed therein an a pair of sliding rails respectively formed on opposing longitudinal sides of said opening, said housing having at least one index formed adjacent a respective one of said sliding rails;a longitudinally extended lead screw engaged on said shaft for rotation therewith and extending through said housing; a sliding seat threadedly engaged on said lead screw for longitudinal displacement thereon responsive to rotation of said lead screw, said sliding seat having a pair of posts respectively disposed on opposing sides thereof; two confining parts slidably disposed on said lead screw each of said confining parts being located on a respective one of said opposing sides of said sliding seat, each of said confining parts having a protuberance extending longitudinally towards said sliding seat; and, a pair of adjustors disposed in said opening of said housing and slidably engaged with said sliding rails, each of said adjustors being engaged with a respective one of said confining parts for longitudinal displacement thereof responsive to displacement of said adjustor, each of said adjustors having an index member extending therefrom and contacting said index of said housing to form a detent therewith.