| 摘要 |
<p>A door frame protection apparatus includes a first upright bar having a first end and a second end, the first end being anchored to a surface at a first anchor point, a second upright bar having a third end and a fourth end, the third end being anchored to the surface at a second anchor point, an overhead crossbar coupled to the second end of the first upright bar and to the fourth end of the second upright bar, a first impact absorption member resting on the first anchor point and having the first upright bar extending therethrough, the first impact absorption member being rotatable about the first upright bar, and a second impact absorption member resting on the second anchor point and having the second upright bar extending therethrough, the second impact absorption member being rotatable about the second upright bar.</p> |
