公开(公告)号：US20180021211A1

公开(公告)日：2018-01-25

申请号：US15217015

申请日：2016-07-22

Applicant: PTStudio Oy

Inventor： Arttu Suokas ,  Ari Mäkelä

IPC: A61H15/00

CPC classification number: A61H15/0092 ,  A61H15/00 ,  A61H2015/0014 ,  A61H2201/0103 ,  A61H2201/0192 ,  A61H2201/1253 ,  A61H2201/1284 ,  A61H2201/1418 ,  A61H2201/1481 ,  A61H2201/1695

Abstract: An adjustable fitness and massage roller formed as a tubular structure is disclosed. The tubular structure has protrusions that can be continuously adjusted via an adjustment mechanism to extend out from the circumferential surface of the roller. In a basic position the circumferential surface is smooth and the he protrusions are not extending outward. In an extreme working position the protrusions are in utmost extended position. The user can adjust the surface of the roller according to her/his preference by adjusting the position of the protrusions.