Force measuring device for swimming implement

Claim 1

A visual strength measuring device for swimming exercises which can be continually viewed by the swimmer while such execise takes place, comprising: fluid responsive strength measuring means effective to displace fluid in correlation to a manual force input; a link connectible to said measuring means and adaptable for securing to a swimmer whose exercise is to be measured; a fluid level indicator having a flexible fluid conduit operatively connectible to said measuring means for receiving the displaced fluid, said indicator adapted to be positioned at a location remote from but within sight of said measuring means and at locations selectively either forward, rearward, or to the side of said measuring means to permit the swimmer while swimming to visually ascertain the extent of his exercises; wherein said force measuring means includes a fluid sealed bellows; frame means mounting said bellows for expansion and contraction; tension spring means connecting to said frame means and acting in opposition to the movement of said bellows; conduit connecting means establishing a sealed fluid passageway to and between said bellows and said fluid conduit; and wherein said frame means includes a forward and rearward bracket with said spring means interposed between said brackets and extending substantially alongside said bellows.