Cupboard door balance system
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United States of America Patent
Stats
-
Dec 22, 2020
Grant Date -
Dec 7, 2017
app pub date -
Aug 18, 2017
filing date -
Dec 29, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A balance system used with a door of a cupboard comprises a transmission shaft, a first pulley on the transmission shaft, and a balance component. The first pulley is connected to a door belt, one end of the door belt is secured to the first pulley, and the other end of the belt is connected to the door. The balance component comprises a balancing member, a balancing belt and a second pulley on the transmission shaft. One end of the balancing belt is connected to the second pulley, and the other end of the balancing belt is connected to the balancing member, such that the balancing member is hung on the second pulley. The first pulley and the second pulley rotate synchronously, and the door belt and the balancing belt are wound oppositely. With the balance system, a small driving force can open/close the door.
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