专利名称：CLOCK MECHANISMS 发明人：JACKSON, Rodney, Philip 申请号：GB1990000523
申请日：19900406
mdn
aad公开号：WO90/012345P1
平面设计师要求
公开日：
最好的ui设计培训
龙拳小游戏
19901018
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摘要：In a clock mechanism of the ''Congreve'' type, in which escapement is controlled by a ball (24) rolling down a tiltable track (22) the ball striking a lever (50) to relea the escapement (34) at each end of the track and to tilt the track in the opposite direction, the ball is given impetus in the opposite direction when the track is relead by spring means (56) as illustrated and/or by the track being inclined upwards slightly at each end.
申请人：JACKSON, Rodney, Philip
考研英语资料地址：GB,GB
国籍：GB,GB
代理机构：ROYSTONS
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