Definition of Escapement. Meaning of Escapement. Synonyms of Escapement
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Definition of Escapement
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Anchor escapement Anchor escapement An"chor es*cape"ment (Horol.)
(a) The common recoil escapement.
(b) A variety of the lever escapement with a wide impulse
pin.
Cylinder escapement Cylinder Cyl"in*der (s?l"?n-d?r), n. [F. cylindre, OF.
cilindre, L. cylindrus, fr. Gr. ky`lindros, fr. kyli`ndein,
kyli`ein, to roll. Cf. Calender the machine.]
1. (Geom.)
(a) A solid body which may be generated by the rotation of
a parallelogram round one its sides; or a body of
rollerlike form, of which the longitudinal section is
oblong, and the cross section is circular.
(b) The space inclosed by any cylindrical surface. The
space may be limited or unlimited in length.
2. Any hollow body of cylindrical form, as:
(a) The chamber of a steam engine in which the piston is
moved by the force of steam.
(b) The barrel of an air or other pump.
(c) (Print.) The revolving platen or bed which produces
the impression or carries the type in a cylinder
press.
(d) The bore of a gun; the turning chambered breech of a
revolver.
3. The revolving square prism carrying the cards in a
Jacquard loom.
Cylinder axis. (Anat.) See Axis cylinder, under Axis.
Cylinder engine (Paper Making), a machine in which a
cylinder takes up the pulp and delivers it in a continuous
sheet to the dryers.
Cylinder escapement. See Escapement.
Cylinder glass. See Glass.
Cylinder mill. See Roller mill.
Cylinder press. See Press.
Deadbeat escapement Deadbeat Dead"beat`, a. (Physics)
Making a beat without recoil; giving indications by a single
beat or excursion; -- said of galvanometers and other
instruments in which the needle or index moves to the extent
of its deflection and stops with little or no further
oscillation.
Deadbeat escapement. See under Escapement.
Detached escapement Detached De*tached", a.
Separate; unconnected, or imperfectly connected; as, detached
parcels. ``Extensive and detached empire.' --Burke.
Detached escapement. See Escapement.
Duplex escapement Duplex Du"plex, a. [L., fr. duo two + plicare to fold. See
Two, and Complex.]
Double; twofold.
Duplex escapement, a peculiar kind of watch escapement, in
which the scape-wheel has two sets of teeth. See
Escapement.
Duplex lathe, one for turning off, screwing, and surfacing,
by means of two cutting tools, on opposite sides of the
piece operated upon.
Duplex pumping engine, a steam pump in which two steam
cylinders are placed side by side, one operating the
valves of the other.
Duplex querela [L., double complaint] (Eccl. Law), a
complaint in the nature of an appeal from the ordinary to
his immediate superior, as from a bishop to an archbishop.
--Mozley & W.
Duplex telegraphy, a system of telegraphy for sending two
messages over the same wire simultaneously.
Duplex watch, one with a duplex escapement.
Lever escapement Lever Le"ver (l[=e]"v[~e]r or l[e^]v"[~e]r; 277), n. [OE.
levour, OF. leveor, prop., a lifter, fr. F. lever to raise,
L. levare; akin to levis light in weight, E. levity, and
perh. to E. light not heavy: cf. F. levier. Cf. Alleviate,
Elevate, Leaven, Legerdemain, Levee, Levy, n.]
1. (Mech.) A rigid piece which is capable of turning about
one point, or axis (the fulcrum), and in which are two or
more other points where forces are applied; -- used for
transmitting and modifying force and motion. Specif., a
bar of metal, wood, or other rigid substance, used to
exert a pressure, or sustain a weight, at one point of its
length, by receiving a force or power at a second, and
turning at a third on a fixed point called a fulcrum. It
is usually named as the first of the six mechanical
powers, and is of three kinds, according as either the
fulcrum F, the weight W, or the power P, respectively, is
situated between the other two, as in the figures.
2. (Mach.)
(a) A bar, as a capstan bar, applied to a rotatory piece
to turn it.
(b) An arm on a rock shaft, to give motion to the shaft or
to obtain motion from it.
Compound lever, a machine consisting of two or more levers
acting upon each other.
Lever escapement. See Escapement.
Lever jack. See Jack, n., 5.
Lever watch, a watch having a vibrating lever to connect
the action of the escape wheel with that of the balance.
Universal lever, a machine formed by a combination of a
lever with the wheel and axle, in such a manner as to
convert the reciprocating motion of the lever into a
continued rectilinear motion of some body to which the
power is applied.
Recoil escapement Recoil Re*coil", n.
1. A starting or falling back; a rebound; a shrinking; as,
the recoil of nature, or of the blood.
2. The state or condition of having recoiled.
The recoil from formalism is skepticism. --F. W.
Robertson.
3. Specifically, the reaction or rebounding of a firearm when
discharged.
Recoil dynamometer (Gunnery), an instrument for measuring
the force of the recoil of a firearm.
Recoil escapement See the Note under Escapement.
