| 摘要 |
<p>A spur gear based drive mechanism for spring loaded circuit breakers, said mechanism comprises: at least a spur gear adapted to be coupled with a closing spring; at least a spring crank adapted to be co-axially coupled to said spur gear with at least a spline shaft, said spring crank advantageously coupled with a closing spring adapted to facilitate said closing spring's charging; at least a charging crank adapted to be advantageously coupled, and co-axially aligned, to said spring crank by said spline shaft; at least a spring loaded protrusion adapted to be located on said charging spur gear, said protrusion being a block with a first operative slope on operative top of the block in a first direction, and further with a second operative slope on operative top of said block in a second direction, said first slope and said second slope, sloping away from each other; and at least a latch plate adapted to push in said spring loaded protrusion while said closing spring is being charged.</p> |
