INFLATABLE BALLS WHICH MAKE

Brand Owner Address Description
ECHO BALL RAPID DISPLAYS, INC. 4300 W. 47th Street Chicago IL 60632 inflatable balls which make a noise when moved or kicked;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. In a ball screw device comprising a screw shaft and a nut which make relative movement to each other through a multiplicity of balls, as well as in a linear motion device comprising an outer member and an inner member which make the relative movements to each other through the multiplicity of balls, a spacer having two concave surfaces facing respectively to balls, is disposed between the balls adjacent to each other. In one preferred form, the spacer has such a configuration that the balls adjacent to each other come into contact with at least three or more outer edge portions of the spacer or portions vicinal to the outer edges.