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escapement    音標拼音: [ɪsk'epmənt]
n. 逃路;卡子

逃路;卡子

escapement
n 1: mechanical device that regulates movement

Escapement \Es*cape"ment\, n. [Cf. F. ['e]chappement. See
{Escape}.]
1. The act of escaping; escape. [R.]
[1913 Webster]

2. Way of escape; vent. [R.]
[1913 Webster]

An escapement for youthful high spirits. --G. Eliot.
[1913 Webster]

3. The contrivance in a timepiece which connects the train of
wheel work with the pendulum or balance, giving to the
latter the impulse by which it is kept in vibration; -- so
called because it allows a tooth to escape from a pallet
at each vibration.
[1913 Webster]

Note: Escapements are of several kinds, as the vertical, or
verge, or crown, escapement, formerly used in watches,
in which two pallets on the balance arbor engage with a
crown wheel; the anchor escapement, in which an
anchor-shaped piece carries the pallets; -- used in
common clocks (both are called recoil escapements, from
the recoil of the escape wheel at each vibration); the
cylinder escapement, having an open-sided hollow
cylinder on the balance arbor to control the escape
wheel; the duplex escapement, having two sets of teeth
on the wheel; the lever escapement, which is a kind of
detached escapement, because the pallets are on a lever
so arranged that the balance which vibrates it is
detached during the greater part of its vibration and
thus swings more freely; the detent escapement, used in
chronometers; the remontoir escapement, in which the
escape wheel is driven by an independent spring or
weight wound up at intervals by the clock train, --
sometimes used in astronomical clocks. When the shape
of an escape-wheel tooth is such that it falls dead on
the pallet without recoil, it forms a deadbeat
escapement.
[1913 Webster]

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英文字典中文字典相關資料:
  • Escapement - Wikipedia
    An escapement is a mechanical linkage in mechanical watches and clocks that gives impulses to the timekeeping element and periodically releases the gear train to move forward, advancing the clock's hands
  • Types of escapements - Horology student
    The cylinder escapement does not require any lever and this has implications in terms of movement layout as the escape wheel sits almost entirely under the balance wheel In this escapement, the escape wheel is in almost constant contact with the cylinder, leading to friction issues
  • ESCAPEMENT Definition Meaning - Merriam-Webster
    The meaning of ESCAPEMENT is a device in a timepiece which controls the motion of the train of wheelwork and through which the energy of the power source is delivered to the pendulum or balance by means of impulses that permit a tooth to escape from a pallet at regular intervals
  • In-Depth The Modern Watch Escapement, And How It Got That Way
    All this means that designing a watch escapement that fits as closely as possible the requirements of an ideal escapement is a very tall order indeed, and if you think about it, you begin to understand why successful, practical escapements are very few and far between
  • CLOCK AND W ATCH ESCAPEMENT MECHANICS - National Association of Watch . . .
    Adjustments are made to the escapement to improve its action The clock is carefully lubricated Other repairs are made as needed These all have the ultimate goal of reducing power losses There are two kinds of power losses in a clock: frictional losses and losses caused by the action of the escapement (which result in additional frictional
  • How Clock Escapement Mechanisms Keep Time Ticking - Clock Wiki
    An escapement is a device in mechanical clocks and watches that controls the release of energy from the clock’s power source (like a spring or weights) to the timekeeping element (like a pendulum or balance wheel)
  • How a Watch Escapement Works - The Watch Doctor
    Considering the escapement as a unit, it can be seen that the escape wheel supplies the power, whereas the pallet transfers the rotary motion of the escape wheel into a back and forth motion of the pallet
  • Escapement | Regulator, Pendulum Balance Wheel | Britannica
    Escapement, in mechanics, a device that permits controlled motion, usually in steps In a watch or clock, it is the mechanism that controls the transfer of energy from the power source to the counting mechanism
  • Lever escapement - Wikipedia
    An escapement is a mechanical linkage that delivers impulses to the timepiece's balance wheel, keeping it oscillating back and forth, and with each swing of the balance wheel allows the timepiece's gear train to advance a fixed amount, thus moving the hands forward at a steady rate





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