| 摘要 |
The subject handle comprises basic structure in the form of two tubes, o ne telescoped into the other, fitted with mechanism to clamp them together at a ny adjusted length. The clamp mechanism is well known in the art, being used in tent poles, boat hooks and the like and is operable by rotating the tubes relative to each other. The handle further comprises mechanism for interconnecting a lever at one end with clamping mechanism at the other. This mechanism disengages during handle length adjustment and automatically engages once th e length adjustment is made and locked and the interconnecting mechanism is operated.
|
