shearpole

Definitions

1. 1

   A horizontal crosspiece.

   • The best example of these devices that I know of in Aberdeen is at the shearpoles, where the worm and wheel are used for the hoisting motion, the screw and nut for the derricking.
   • The shearpole tradition is so strong that even in some national forests where regulations specifically prohibit cutting live trees, the rangers look the other way when they see freshly chopped shear poles supporting a tent.

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