PROJECTION TYPE LINEAR ACTUATOR, ROBOT ARM, AND TRANSPORT ROBOT

To provide: a projection type linear actuator capable of achieving size reduction more than conventional ones while bringing predetermined rigidity and stroke to a pressing element; a robot arm; and a transport robot.SOLUTION: A projection type linear actuator 1 according to the present invention includes: a slider 8 that forms a pressing element 6 obtained by folding, at a substantially right angle, free ends of long plates 4, 5 respectively extending from a pair of rolls 2, 3, making the free ends overlap each other, and connecting the free ends of the pair of long plates 4, 5; a first drive part D1 that causes the slider 8 to perform reciprocate straight motion along a guide frame 7; and a second drive part D2 that is provided in the slider 8 and causes the pressing element 6 to perform reciprocate straight motion. The pair of rolls 2, 3 are arranged at both ends in a longitudinal direction of the slider 8 or the guide frame 7.SELECTED DRAWING: Figure 1 【課題】押圧子に所定の剛性とストロークとを与えつつ、従来よりも小型化を実現することができる突出型リニアアクチュエータ、ロボットアーム及び輸送ロボットを提供すること。【解決手段】本発明に係る突出型リニアアクチュエータ１は、一対の巻尺部２，３からそれぞれ延びる長尺プレート４，５の自由端部を略直角に折り曲げて重ね合わせ、一対の長尺プレート４，５の自由端部を連結した押圧子６を形成するスライダ８と、ガイドフレーム７に沿って前記スライダ８を往復直線運動させる第１の駆動部Ｄ１と、前記スライダ８に設けられて前記押圧子６を往復直線運動させる第２の駆動部Ｄ２と、を備え、一対の前記巻尺部２，３を前記スライダ８または前記ガイドフレーム７の長手方向両端部に配置して構成される。【選択図】図１