A - Human Necessities – 45 – B
Patent
A - Human Necessities
45
B
135/21, 135/23
A45B 19/00 (2006.01) A45B 19/10 (2006.01) A45B 25/16 (2006.01)
Patent
CA 2033445
A self-opening topless umbrella having a telescopic stick and a collapsible framework extending radially from the stick. The framework comprises a plurality of circumferentially-shaped, scissor-link folding systems operable to be spread by means of an upwardly-opening spring and collapsed manually, by a slider which is displaceable along the stick. Each scissor-link folding system comprises a pair of intermediately-pivoted scissor levers, the stick having an upper end and a lower end, an operating spring supported on the upper end of the stick, a main crown resting on an and freely supported on the upper end of the spring, an upper one of said scissor levers comprising an upper power lever and being pivotally connected to the main crown and movable therewith as the umbrella frame is opened and closed, a lower one of the scissor levers comprising a lower power lever and being pivotally connected to the slider and movable therewith as the umbrella frame is opened and closed, an intermediate crown fixed adjacent the upper end of said stick and the lower end of the operating spring, and a control strut pivot at an inner end to the intermediate crown and pivoted at an outer end adjacent the pivot of the scissor levers whereby the scissor-link folding systems are guided, when opening and closing, by said control strut.
Seidel Joachim
Stiller Klaus
Knirps Gmbh
Robic
LandOfFree
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