device for indication for ap several sports workers against the action of a spring regulates bile

摘要

Indicating device for sport equipments that operate against the effect of an adjustable spring or for associated equipments which measure the force of the spring, comprising an indicator coupled with the spring adjusting means which participates in the movement of the adjusting means the position of which can be read on a scale, the indicating device which includes first and second retaining means for supporting the spring at opposite ends has spring adjusting means at one end of the spring which supports the indicator, scale means extending adjacent the first retaining means, the indicator and the spring adjusting means, the scale setting means being operable to displace the scale means in the direction of adjustment of the spring, while the adjusting means and spring setting means each include an adjusting screw that is accessible from the exterior of the housing and stop abutments are disposed at opposite ends of the scale means for limiting the extreme adjustable positions of the spring.