GATE n.
e of a gate, as at a railroad crossing. -- Gate valva, a stop valve for a pipe, having a sliding gate which affords a straight passageway when open. -- Gate vein (Anat.), the portal vein. -- To break gates (Eng. Univ.), to enter a college inclosure after the hour to which a student has been restricted. -- To stand…
LAY SHAFT; LAYSHAFT n.
A secondary shaft, as in a sliding change gear for an automobile; a cam shaft operated by a two-to-one gear in an internal- combustion engine. It is generally a shaft moving more or less independently of the other parts of a machine, as, in some marine engines, a shaft, driven by a small auxiliary engine, for independe…
PAWL n.
A pivoted tongue, or sliding bolt, on one part of a machine, adapted to fall into notches, or interdental spaces, on another part, as a ratchet wheel, in such a manner as to permit motion in one direction and prevent it in the reverse, as in a windlass; a catch, click, or detent. See Illust. of Ratchet Wheel. [Written…