Two pile height mending gun
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United States of America Patent
Stats
-
Jul 17, 2001
Grant Date -
N/A
app pub date -
Feb 1, 2001
filing date -
Feb 1, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hand-held mending gun for tufting stitches into a backing material has a hollow needle reciprocally driven axially to form stitches in a backing material. A drive mechanism couples a rotary motor to a needle carrier for reciprocation along the axis of the needle. A yarn feed roll connected to a yarn drive disk may be selectively changed in speed by changing the position of the yarn feed disk relative to a radius of a drive disk through a pneumatic cylinder having a piston relocatable between an extended and a retracted position. With the speed of rotation of the drive disk constant, the speed of the yarn feed roll may be changed between a high and a low pile height setting, or position, by changing the distance of a contact point of the yarn feed disk on the drive disk from the center of the disk drive. A pneumatic selector switch allows a single operator to control the selection of the high or low pile height position.
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