Title:
FORM VIBRATION DEVICE
Document Type and Number:
Japanese Patent JP2020147892
Kind Code:
A
Abstract:
To provide a form vibration device capable of applying impact to a form with constant force and frequency, regardless of the level of skill or the fatigue degree of a user, and allowing easy installation, carriage and efficient work.SOLUTION: A form vibration device 100 related to one embodiment of the present invention comprises: a piston member 2 reciprocatively supported and having a weight part 21 colliding with a form K at a front end part in the reciprocating direction; multiple driving permanent magnets 41 mounted on the piston member 2 to be juxtaposed in the reciprocating direction; an electromagnetic coil 42 provided separately from the piston member 2 so as to enclose the periphery thereof; and a control circuit 7 switching the polarity of the electromagnetic coil 42.SELECTED DRAWING: Figure 1
Inventors:
FUJITA HIROSHI
TAMURA CHIKAHITO
TAMURA CHIKAHITO
Application Number:
JP2019043275A
Publication Date:
September 17, 2020
Filing Date:
March 11, 2019
Export Citation:
Assignee:
FUJITA HIROSHI
TAMURA CHIKAHITO
TAMURA CHIKAHITO
International Classes:
E04G21/06; B06B1/04; H02K33/16
Attorney, Agent or Firm:
Naoki Okamoto