| CPC A63B 1/005 (2013.01) [A63B 2210/50 (2013.01)] | 19 Claims |
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1. A foldable horizontal bar, comprising:
a horizontal bar;
a pair of supports configured to support the horizontal bar; and
a pair of bases, each base includes a first movable part, a second movable part, and a fixed part, wherein;
the fixed part is mechanically connected with the first movable part and the second movable part;
the first movable part is rotatable around a first connection point between the fixed part and the first movable part within a preset angle;
the second movable part is rotatable around a second connection point between the fixed part and the second movable part within the preset angle, the preset angle being larger than 90 degrees;
the foldable horizontal bar changes between an unfolded state and a folded state when the first movable part and the second movable part rotate around the first connection point and the second connection point,
the first movable part, the second movable part, and the fixed part form a triangle shape when the foldable horizontal bar is in the folded state, and a top angle of the triangle shape is in a range from 60 degrees to 90 degrees.
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