Portable machines are anchored by attaching movable weights to the legs or base plates of the machine, also by driving stakes into the ground around the machine.
Section 2.—ADJUSTING DEVICES.
(See also [p. 10].)
[1939]. Ratchet rod for adjusting and locking a lever in any required position.
[1940]. Micrometer screw adjustment for a lever or crank arm, which may be locked to its shaft by the clip boss and screw, or released at will.
[1941]. Spring pawl adjustment; has sufficient grip to hold against a moderate pressure, but may be moved by increased pressure.
[1942]. Micrometer adjustment for a cam lever grip.
[1943]. Micrometer screw, with swivel motion.
[1944]. Wedge and pinion adjustment, used for applying pressure to type in printers’ formes.