Title:
回転装置
Document Type and Number:
Japanese Patent JP5759520
Kind Code:
B2
Abstract:
The rotation maintaining device includes a rotatable output shaft pivotally supported and provided with an axis running along a horizontal direction that is vertical to a direction of force of gravity, a rotatable rotary plate member concentrically coupled with the output shaft, a plurality of rotary weight members pivotally supported by the rotary plate member at positions near peripheral edge of the rotary plate member, respectively, so as to rotate around pivoted axes in only one direction, a guide member fixed in motionless condition to position coaxial with the output shaft, and provided with a peripheral side surface having a partially arc shape only on its one side where the rotary weight members rise when the rotary plate member rotates, and a plurality of rotation engagement members pivotally supported by the rotary plate member so as to rotate around pivoted axes, when outer circumference side surfaces of the rotation engagement members engage with and are guided by the partially arc shaped peripheral side surface of the guide member. Each of the rotary weight members includes a circular plate section having a rotational axis coaxial with the axis of the rotary weight member, and a weight section fixed to the circular plate section to bias a position of the center of gravity of the rotary weight member from the axis of the circular plate section. Each of the rotary weight members being adapted to rotate in the one direction when an outer circumference side surface of the circular plate section is engaged with and driven by the outer circumference side surface of the rotation engagement member.
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Inventors:
Miyagawa Megumi
Keiko Kondo
Keiko Kondo
Application Number:
JP2013167390A
Publication Date:
August 05, 2015
Filing Date:
August 12, 2013
Export Citation:
Assignee:
Simple Tokyo Co., Ltd.
International Classes:
F03G3/00; F03G7/10
Domestic Patent References:
JP2013040595A | ||||
JP7115765A | ||||
JP2002364521A | ||||
JP2001248536A | ||||
JP2003278644A | ||||
JP2004124932A | ||||
JP1182651A |
Foreign References:
US5890400 |
Attorney, Agent or Firm:
Yoshiharu Yoshida
Yoshida Masahiro
Mayuko Horikoshi
Yoshida Masahiro
Mayuko Horikoshi