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1. 发明专利

HK26192A ONE-HAND OPENABLE AND CLOSABLE UMBRELLA 未知
公开(公告)号：HK26192A
公开(公告)日：1992-04-16
申请号：HK26192
申请日：1992-04-09
申请人： HISAO NAGAI
发明人： NAGAI HISAO
IPC分类号： A45B25/16
摘要： A one-hand openable and closable umbrella comprising a double shaft composed of an inner shaft (1a) and an outer shaft (1b) which are smoothly slidable relative to each other. A required number of main ribs (2) are pivotally secured at each one end to a mounting member (8) on the tip of the inner shaft, and a handle (6a) and an auxiliary handle (6b) are respectively mounted at the lower end portion of the outer shaft and the lower end portion of the inner shaft (1a). The inner ends of a required number of auxiliary ribs (4) are pivotally secured to the upper end portion of the outer shaft. The outer ends of a required number of lateral auxiliary ribs (4a) pivotally support the main ribs substantially centrally thereof. The inner ends of these lateral auxiliary ribs are pivotally secured to the upper end portion of the inner shaft, and their intermediate portions are pivotally supported by the outer ends of the auxiliary ribs (4). A spring (5) provides an elastic force between the outer shaft (1b) and the inner shaft (1a) to cause the upper end portion of the outer shaft to approach the upper end of the inner shaft. An unlockable locking mechanism (7a, 9a) inhibits temporarily the relative movement of the outer shaft and the inner shaft in a first state in which the main ribs have been folded. A stopper (10) inhibits relative movement in a second state in which the elastic force of the spring (5) has been reduced. Fig. 4A shows an alternative stopper arrangement.

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