| 摘要 |
A longitudinally collapsible umbrella having a rectangular configuration when closed, collapsed and stored; including a power spring interposed axially between primary and auxiliary slides; the primary slide including a depending sleeve and having a T-shape in elevation; the primary slide including beneath its wings a pair of finger-receiving notches, one of the notches including a pivotal latch lever; the sleeve having a polyangular, lower cross section generally defining the points of an elipse, and the handle of the umbrella having lateral compartments for receiving the tips of umbrella dome-ribs when the umbrella is collapsed, and the handle also including a tubular tunnel having a bore correspondingly receiving the primary slide sleeve and orienting the primary slide wings and dome-rib tips in an optimum position.
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