PROBLEM TO BE SOLVED: To provide a therapy table bed which permits leg supports to be quickly moved forward from a backward movement position to such a condition that permits the leg supports to be used while preventing the leg supports from imposing danger on a handler, a patient, or the like.SOLUTION: The leg supports supporting structure in a therapy table comprises supporting arms 26 to which the leg supports are attached, first gears 41 capable of rotating concentrically and integrally with the supporting arms 26, second gears 43 constantly engaging with the first gears 41, third gears 46 constantly engaging with the first gears 41 and usually engaging with the second gears, and an engagement releasing means 48 to release the engagement of the second gears 43 with the third gears 46.COPYRIGHT: (C)2010,JPO&INPIT【課題】 取扱者、患者などに危険が及ばないように、支脚器を復動位置から支脚器使用可能状態まで迅速に往動させることができる医療台を提供する。【解決手段】 支脚器が取り付けられる支持アーム26と、支持アーム26と同心状にかつ一体的に回動可能な第1の歯車41と、第1の歯車41に常時噛み合う第2の歯車43と、第1の歯車41と常時噛み合いかつ第2の歯車と通常は噛み合う第3の歯車46と、第2の歯車43との第3の歯車46の噛み合いを解除させる噛み合い解除手段48とを備えている。【選択図】図19
