JPS6426056U

JPS6426056U -

Info

Publication number: JPS6426056U
Application number: JP12076887U
Authority: JP
Priority date: 1987-08-06
Filing date: 1987-08-06
Publication date: 1989-02-14

Description

[Brief explanation of the drawing]

第１図は本考案の最適な一実施例に係る握力向
上器具を部分的に破断して示す正面図、第２図は
従来例としての握力向上器具を示す正面図である
。附号の説明、１０……シリンダ体、１１……フ
リーピストン、１２……減衰部、１３……チエツ
ク弁、１４……弾性部材たるブラダ、１５……弾
発部材たるスプリング、１６……ロツド、２０ａ
……オリフイス、Ａ，Ｄ……油室。 FIG. 1 is a partially cutaway front view showing a grip strength improving device according to an optimal embodiment of the present invention, and FIG. 2 is a front view showing a conventional grip strength improving device. Explanation of the attached numbers, 10...Cylinder body, 11...Free piston, 12...Dampening section, 13...Check valve, 14...Bladder as an elastic member, 15...Spring as an elastic member, 16...Rod , 20a
...Orifice, A, D...Oil room.

Claims

[Claims for Utility Model Registration] (1) An oil chamber defined inside the cylinder body by a free piston energized by an elastic member from the rear side is connected to the outside of the cylinder body through a damping part and a check valve. It is interconnected with the oil chamber of the
A grip strength improving device characterized in that the oil chamber outside the cylinder body is defined by an elastic member disposed on the outer circumferential side of the cylinder body. (2) The grip strength improving device according to claim 1, wherein the damping portion is an orifice. (3) The grip strength improving device according to claim 1, wherein the damping portion is formed so as to be able to change the generated damping force. (4) The grip strength improving device according to claim 1, wherein the free piston is connected to a rod, and the amount of movement of the free piston can be visually recognized by the amount of protrusion and retraction of the rod.