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.
[1945]. Adjustable rack for any fixing, secured by a staple bolt.
[1946]. Adjustment for a spiral torsion spring to regulate its tension.
[1947]. Callipers with fine adjustment by a taper screw, tapped into a hole in the split leg, so that the taper screw springs open the slit and thus extends the opening of the calliper legs.
[1948]. Adjusting pawl and head for adjusting the tension or compression of a torsion spring, which is fixed to the spindle.
[1949]. Screw adjustment for rollers to maintain parallelism.
[1950]. Adjustment for expanding a split borer, reamer or rose bit, with micrometer graduation.
[1951]. Screw adjustment for a lever.
[1952]. Adjustable centre pin, traversed by a screw, and fixed after adjustment by a nut and washer.
[1953]. Fine screw adjustment for any movable part.
[1954]. Fine screw adjustment for a radial arm.
[1955]. Division plate, with differential dividing on its opposite faces.
Belts, bands, &c., are adjusted by corresponding series of holes and laces, screws or rivets to fit them.