TOOL CHANGING DEVICE
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United States of America Patent
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Issued Date -
May 25, 2017
app pub date -
Nov 16, 2016
filing date -
Nov 24, 2015
priority date (Note) -
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Abstract
A tool changing device is described, which is provided with a male portion constrainable to a handler and a female portion constrainable to a tool to be handled and removably fittable on the male portion. Locking means are provided to lock the female portion on the male portion, and their respective actuator comprising an electric motor. The locking means are selectively movable between a locked position of the female portion and an unlocked position. Differently from conventional solutions, in the device according to the present invention advantageously the activation of the locking means is not assigned to the electric motor, on the contrary the latter has the task of only moving the locking means to the unlocked position; an elastic element is provided instead, which continuously applies a force holding the locking means in the locked position. The electric motor intervenes only to allow the female portion to be separated.
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