constructive arrangement in conjunction with bottom pulley and upper guide as spring for sliding doors

摘要

Huh? constructive arrangement in conjunction with bottom pulley and upper guide as spring for sliding doors? as described in the report and as attached illustrations, a new constructive provision is referred to in a lower pulley set and upper guide with spring used for the handling of sliding doors, designed from the same constructive concept, allowing the use of some elements on both devices in order to make it easier and more practical manufacturing. In addition, the lower pulley includes braking integrated by the fitting between the carcass itself and the mobile arm,with the possibility of setting upper height with an inclined axis, facilitating the operation.