| 摘要 |
A frame for an umbrella has a shaft in two parts 4, 5 connected by a joint 1. Stretchers 6 extend from a runner 2 on the lower shaft part 5 to attachment points on the ribs. A sleeve 10 is located loosely on the upper shaft part so that it can slide over the joint and lock it in the straight configuration. To provide easy access to the sleeve in order to be able to lift it off the joint and allow the shaft to tilt, the runner 2 has an operating rod 30 which allows a user to lift the sleeve without putting his fingers through the stretchers 6.
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