| 摘要 |
An adjustable height gauge device includes a block member having at least one planar end face providing a reference measurement surface and a first bore formed therein for receiving a reciprocating plunger rod. The plunger includes an axial threaded bore which receives a threaded lift screw operated by a turnscrew member carried in a side slot of the block member. The plunger rod accommodates interchangeable extension rods for extending the height range of the device.
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