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发明名称
一种扩胸器
摘要
本实用新型公开一种扩胸器,包括一气筒,气筒的中部设置有可调式气孔;气筒内设置有两活塞,每个活塞连接一活塞杆,活塞杆的另一端安装有手柄。本实用新型所述扩胸器不再使用弹性材料或弹性部件,拉开两个手柄后不会出现回弹现象,不会对人造成误伤。本实用新型所述扩胸器使用了气筒和活塞,充分利用了大气压力,使用时仅活塞和气筒内壁之间会有一定的摩擦,但可以通过润滑油减小摩擦力。该扩胸器不会发生零部件变形,使用寿命更长。
申请公布号
CN203694498U
申请公布日期
2014.07.09
申请号
CN201420039832.X
申请日期
2014.01.22
申请人
江苏省徐州技师学院;邱灿
发明人
邱灿;张明昌
分类号
A63B21/008(2006.01)I
主分类号
A63B21/008(2006.01)I
代理机构
代理人
主权项
一种扩胸器,其特征在于,包括一气筒(10),气筒的中部设置有可调式气孔;气筒(10)内设置有两活塞(21),每个活塞连接一活塞杆(20),活塞杆(20)的另一端安装有手柄(22)。
地址
221000 江苏省徐州市泉山区西郊丁楼村
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