Actuator of engraving machine
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Dec 3, 2015
filing date -
May 15, 2015
priority date (Note) -
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Abstract
The proposed actuator of engraving machine relates to decorative machining of hard materials, and can be used in arrangement of facades and monuments. A permanent magnet and a core with a pivot are concentrically fixed in an upper part of a housing. An electric coil is placed on a cylindrical frame of nonmagnetic material and can move in the axial direction in a ring gap between the core and the permanent magnet together with a pusher fixed in two circular elastic membranes, spaced in the axial direction and fixed in the housing along an external contour. A shank is fixed on the pusher under the membranes, having a central part extending through a bottom cover of the housing. It has a hollow axial opening, wherein a removable impact tool is mounted. The design is simple and reliable. Durability, accuracy and speed of engraving of the actuator are improved.
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