Epicyclic clock drive mechanism |
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申请号 | US32007063 | 申请日 | 1963-10-30 | 公开(公告)号 | US3184909A | 公开(公告)日 | 1965-05-25 |
申请人 | ALLEN BRADLEY CO; | 发明人 | LOHF GERALD W; WALKER PHILIP F; RAY ELLSWORTH ALONZO; | ||||
摘要 | |||||||
权利要求 | 1. IN A CLOCK MECHANISM FOR A TOWER TYPE CLOCK HAVING AN HOUR HAND SHAFT AND A MINUTE HAND SHAFT COMBINED WITH A DIAL TRAIN WHICH SUPPLIES SUBSTANTIAL TORQUE TO SAID SHAFTS, SAID DIAL TRAIN COMPRISING, (A) DRIVE MEANS FOR A SPIDER GEAR MEANS WHICH GEAR MEANS IS ATTACHED TO A CENTER HUB THEREOF TO SAID MINUTE HAND SHAFT, (B) SAID SPIDER GEAR MEANS COMPRISING AT LEAST ONE GEAR SHAFT HUB NEAR THE PERIPHERY THEREOF, (C) GEAR SHAFT MEANS LOCATED IN EACH GEAR SHAFT HUB AND FREE TO ROTATE THEREIN, (D) FIRST AND SECOND DIFFERENTIAL PINION MEANS ATTACHED TO EACH GEAR SHAFT, (E) FIRST SUN GEAR MEANS ATTACHED TO SAID HOUR HAND SHAFT WHICH IS CONCENTRIC WITH SAID MINUTE HAND SHAFT, AND (F) A SECOND SUN GEAR MEANS ATTACHED TO A FIXED SHAFT CONCENTRIC WITH SAID MINUTE HAND SHAFT, |
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说明书全文 |