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    • 10. 发明授权
    • Elliptical exercise device
    • 椭圆运动装置
    • US09511253B1
    • 2016-12-06
    • US15061031
    • 2016-03-04
    • Larry D. Miller
    • Larry D. Miller
    • A63B22/00A63B22/06A63B21/00A63B21/22
    • A63B22/001A63B21/154A63B21/159A63B21/225A63B22/0015A63B22/0017A63B22/0056A63B22/0664A63B2022/0682A63B2225/093
    • Embodiments of the present invention have left and right guide links that are pivotally attached to the frame, typically to an upper part of the frame, and left and right foot support links each having a mid-portion pivotally interconnected with a lower end of the respective guide link. Reciprocal motion of the guide links causes the foot support links to move along a path having a horizontal component of motion (i.e. fore and aft). Left and right vertical control links are coupled to a vertical cam drive such that the vertical cam drive reciprocates the vertical control links. The vertical control links are each coupled to a forward portion of the respective foot support link such that the reciprocating control links cause foot receiving areas at the rear of the respective foot support links to reciprocate along a path having a vertical component of motion (i.e. upwardly and downwardly). In free stride versions, the motion of the guide links may be coordinated by a horizontal coordination linkage, such that the left and right guide links move equally in opposite directions, and the guide links are not coupled to the drive system. In fixed path versions, the guide links may be coupled to a drive or crank system, which may be part of the vertical cam drive. The coupling of the control links and/or guide links to the drive system or systems may be adjustable so as to adjust the amount of vertical and/or horizontal motion, and this adjustment may be manual or powered, and may be coordinated such that as horizontal motion is increased or decreased, vertical motion is increased or decreased, or vice versa. As will be clear to those of skill in the art, any of the embodiments described herein may be converted between free stride and fixed path by adding or removing the appropriate links or couplings.
    • 本发明的实施例具有枢转地附接到框架,通常到框架的上部的左右导向连杆,以及左右脚支撑连杆,每个具有中间部分,枢转地互连于相应的下端 指导链接。 导向连杆的往复运动导致脚支撑连杆沿具有水平运动分量(即前后)的路径移动。 左和右垂直控制链路联接到垂直凸轮驱动器,使得垂直凸轮驱动器使垂直控制连杆往复运动。 垂直控制连杆各自联接到相应的脚部支撑连杆的前部,使得往复控制连杆使相应的脚支撑连杆的后部的脚接收区域沿具有垂直运动分量的路径(即向上 并向下)。 在自由步幅版本中,引导链节的运动可以通过水平协调联动来协调,使得左引导链和右引导链沿相反的方向平移移动,并且引导链没有联接到驱动系统。 在固定路径版本中,引导连杆可以联接到驱动器或曲柄系统,驱动器或曲柄系统可以是垂直凸轮驱动器的一部分。 控制链路和/或引导链路到驱动系统或系统的耦合可以是可调节的,以便调整垂直和/或水平运动的量,并且该调整可以是手动的或动力的,并且可以被协调使得 水平运动增加或减少,垂直运动增加或减少,反之亦然。 如本领域技术人员将清楚的,本文所描述的任何实施例可以通过添加或移除适当的连接或联接件而在自由步幅和固定路径之间进行转换。