| 摘要 |
A foot-adjustable leveler comprising a threaded bolt for upward insertion into a table leg, and a foot anchored to the bolt. The foot may be formed from a thin metal jacket that is stamped or pressed onto a hard rubber insert. In this case the bolt is equipped with a flange at one end and is suspended thereby centrally within the hard rubber insert. This serves to reduce vibration and noise transfer. The internal rubber insert is optional, and the bolt can be anchored directly to the metal exterior of the foot jacket. In either case, a rubber foot-adjustment disk is centered on the bolt and is seated on the upper surface of the stamped metal foot. A user simply turns the foot-adjustment disk counterclockwise with the side of their shoe sole in order to raise the table leg, and clockwise to lower the leg. Other embodiments are presented, including one in which the rubber insert and foot-adjustment disk are combined into one integral foot-adjustment member. Alternatively, a rubber collar is provided around the bottom of the bolt and is seated atop the stamped metal foot jacket. A foot-adjustment ring encircles the rubber collar and is anchored thereto. A user simply turns the foot-adjustment ring counterclockwise with the side of their shoe sole in order to raise the table leg, and clockwise to lower the leg. Alternatively, a concave disk overlay may be slid down over the collar, and a the foot-adjustment ring may be inset around the periphery of the disk overlay.A safety accessory is also provided for use in preventing over-extension of the leveler. The safety accessory includes a spiral notch cut along a length of the bolt threads, and a safety disk with spring-detent that engages the notch to stop further unscrewing.
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