Patent ID: 9493983
Filing Date: 2016-11-15
CPC Classification: E06B

Claim Text:
1. A louver roller system with a cam pin turning mechanism, comprising a base ( 38 ) and a top cover ( 39 ), wherein: a roller mechanism ( 35 ) and a cam pin turning mechanism ( 36 ) are mounted on the base ( 38 ), the roller mechanism ( 35 ) is coaxially aligned with the cam pin turning mechanism ( 36 ), rotation of the roller mechanism ( 35 ) and the cam pin turning mechanism ( 36 ) is driven by a square shaft ( 2 ), there is a roller within the roller mechanism ( 35 ), the roller mechanism ( 35 ) comprises a turning cylinder ( 354 ), at least one roller is mounted within the turning cylinder ( 354 ), the roller is wound with ladder tapes and the ladder tapes are connected with louver blades, the roller drives the ladder tapes to wind or unwind while rotating, the cam pin turning mechanism ( 36 ) comprises a turning disc ( 365 ) and the turning disc ( 365 ) of the cam pin turning mechanism ( 36 ) is connected to an open end surface of the turning cylinder ( 354 ), a torsion spring ( 366 ) is placed within one end of the turning disc ( 365 ) and fasten onto a torsion spring jacket ( 367 ), the torsion spring jacket ( 367 ) is adjacent to the roller, and a fixed sleeve ( 361 ), a compression spring ( 362 ), a pin disc ( 363 ) and a sliding cam ( 364 ) are sequentially coaxially aligned with the turning disc ( 365 ).