| 摘要 |
Provided are a system for clamping an object to a railing and a table and apparatus using the system. In one aspect, the system for clamping an object to a railing includes: a threaded bolt, a knob secured to a first end of the bolt, a first wing with an elongated body that is carried on the bolt, and a second wing with an elongated body that is threadedly engaged on the bolt. The first wing is positioned on the bolt between the knob and the second wing. In addition, the first and second wings are movable toward and away from the knob between a clamping and a non-clamping position.
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