A pulley device according to the present disclosure includes a loop string including a ring-shaped loop portion formed in an upper portion and first and second string extension portions extending downward, a loop fixing stopper through which the first and second string extension portions pass and to which a loop portion is connected to form a knot, and a pulley to which the first and second string extension portions are connected and which includes a pulley wheel.
PULLEY DEVICE
2025-07-03
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |