发明授权
US08966713B1 Adjustable self-closing fence hinge 有权
可调式自闭式围栏铰链

Adjustable self-closing fence hinge
摘要:
An adjustable hinge includes a hinge housing rotatably mounted relative to a body, a spring located within the hinge housing, and a spring adjustment system. The spring adjustment system includes a pin having a head including a plurality of projections about a circumference of the head and an opposite end of the pin spaced from the head.
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