Repair device for dent in metal bend tube part of musical instrument
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United States of America Patent
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Jan 3, 2017
Grant Date -
Aug 18, 2016
app pub date -
Aug 6, 2014
filing date -
Oct 4, 2013
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Abstract
Repair device for a dent is provided in metal bend tube part of musical instrument capable of effectively performing repair work in short time, not by conventional repair method using dent ball. In the device, a pressurizing device main body is also provided formed by connecting base member having an L shape in side view with first fulcrum at a base thereof and movable pressurizing member whose upper surface has convex arc-shaped surface in side view and has a second fulcrum at center part of lower surface, through a first and second arm. A wire, passes through the second arm and upright part of base member in axial direction, is provided, stopper is fastened to an end of wire which has passed through to outside of second arm, and wire passes through inside of curved metal tube and other end side of wire is connected to a foot pressing device.
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