Title:
往復動工具
Document Type and Number:
Japanese Patent JP6953487
Kind Code:
B2
Abstract:
To provide a reciprocating tool which is capable of suppressing vibration while having a reciprocating output section and more freely arranging the output section and a counter weight.SOLUTION: A reciprocating saw 1 to be a reciprocating tool includes: a connecting rod 56 and a rod 6 which are connected to a connecting rod connection pin 71 of a left crank 50 and a right crank 52; and a left counter weight 80 and a right counter weight 82 which are connected to eccentric sections 50b and 52b of the left crank 50 and the right crank 52. The eccentric sections 50b and 52b are located at positions where the left counter weight 80 and the right counter weight 82 are allowed to reach points just before a bottom dead point at a position where the connecting rod connection pin 71 allows the rod 6 to reach an upper dead point. The eccentric sections 50b and 52b are located at positions where the left counter weight 80 and the right counter weight 82 are allowed to reach points just before the upper dead point at a position where the connecting rod connection pin 71 allows the rod 6 to reach the bottom dead point.SELECTED DRAWING: Figure 3
Inventors:
Sugino Yudai
Cormorant fishing
Cormorant fishing
Application Number:
JP2019159758A
Publication Date:
October 27, 2021
Filing Date:
September 02, 2019
Export Citation:
Assignee:
Makita Corporation
International Classes:
B23D49/16; B23D49/02
Domestic Patent References:
JP2004130801A | ||||
JP2005052895A | ||||
JP6198601A | ||||
JP2009291934A | ||||
JP2010023189A | ||||
JP2014069280A | ||||
JP2014091177A |
Foreign References:
US7114259 | ||||
US20130174428 | ||||
US5212887 | ||||
US7191847 | ||||
US7658012 | ||||
US20100107427 | ||||
US20140283394 |
Attorney, Agent or Firm:
Yoshiki Ishida
Kyoichi Ueda
Kiyotaka Sonoda
Kyoichi Ueda
Kiyotaka Sonoda