Title:
アーム機構
Document Type and Number:
Japanese Patent JP6874560
Kind Code:
B2
Abstract:
To provide an arm mechanism that can make a driving range large, and also can be made small-sized.SOLUTION: An arm mechanism comprises: a two-shaft integrated type motor which has an inner shaft rotor and an outer shaft rotor; a first driving-side arm connected to the outer shaft rotor and provided in a direction crossing a rotary shaft; a second driving-side arm connected to the inner shaft rotor and provided along the first driving-side arm; a reversing mechanism connecting end parts of the first driving-side arm and second driving-side arm together; a first driven-side arm and a second driven-side arm connected rotatably to the reversing mechanism; and an arm tip part connecting end parts of the first driven-side arm and second driven-side arm together. The first driving-side arm, second driving-side and reversing mechanism constitute a driving-side link mechanism, the first driven-side arm, second driven-side arm, reversing mechanism, and arm tip part constitute a driven-side link mechanism, and the reversing mechanism uses one side of the driving-side link mechanism and one side of the driven-side link mechanism in common.SELECTED DRAWING: Figure 3
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Inventors:
Kazunori Koizumi
Itsuo Watanabe
Itsuo Watanabe
Application Number:
JP2017121548A
Publication Date:
May 19, 2021
Filing Date:
June 21, 2017
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
B25J9/06
Domestic Patent References:
| JP10249757A | ||||
| JP2015194262A | ||||
| JP7241760A | ||||
| JP9262782A | ||||
| JP2013207960A |
Foreign References:
| WO2012026293A1 | ||||
| KR200325626Y1 |
Attorney, Agent or Firm:
Sakai International Patent Office