Patent ID: 11970902
Assignee: LANTEX WINDOW FASHIONS CO., LTD
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A rotary positioning adjustment device, comprising a shaft sleeve and a connecting rod, wherein one end of the connecting rod is provided with a reel, the reel is rotatably located within a fixed seat, another end of the connecting rod passes through the fixed seat, a rotary casing, a first spring seat, a first torsion spring and a second spring seat in sequence; the first spring seat is sleeved on the rotary casing; the first torsion spring is installed within the second spring seat; a first free connection part of the first torsion spring is inserted into an insertion slot of the second spring seat, a second free connection part of the first torsion spring is inserted into an opening slot of the connecting rod.