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WORM GEARING AND CAM MECHANISM OF A MICROSCOPE DRAWTUBE |
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Description
Worm 1 rotates about fixed axis A and meshes with worm wheel 2 which rotates about fixed axis B. Rigidly attached to wheel 2 is cylinder cam 3 which transmits reciprocating motion to roller a of the microscope drawtube 4. Spring 5 eliminates backlash in the mechanism. |
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