A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The present invention discloses a pulley device which comprises a pulley housing; a sliding plate which is vertically movable and mounted on the pulley housing; a pulley mounted on the sliding plate; a height adjusting mechanism for adjusting the height of the pulley; and a damper connecting the sliding plate and the pulley housing. The pulley device provided by the present invention solved the problems that it is difficult for the screwdriver to adjust the height of the pulley, and some hair or wool being inserted into the adjustment hole, and the thread of the adjusting screw is easy to be damaged in use.
The present invention discloses a pulley device which comprises a pulley housing; a sliding plate which is vertically movable and mounted on the pulley housing; a pulley mounted on the sliding plate; a height adjusting mechanism for adjusting the height of the pulley; and a damper connecting the sliding plate and the pulley housing. The pulley device provided by the present invention solved the problems that it is difficult for the screwdriver to adjust the height of the pulley, and some hair or wool being inserted into the adjustment hole, and the thread of the adjusting screw is easy to be damaged in use.
PULLEY DEVICE
ANTRIEBSSCHEIBENVORRICHTUNG
DISPOSITIF DE POULIE
XU JIANGDE (author)
2022-11-09
Patent
Electronic Resource
English
IPC:
E05D
Scharniere oder andere Aufhängevorrichtungen für Türen, Fenster oder Flügel
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HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS