Belt adjuster box style

In a box style belt adjuster

• an enlongated box having a top, a bottom and end walls and having a passage therethrough to accommodate a belt,
• a pivot shaft held in the end walls of the box
• a cam on the pivot shaft within the box,
• risers on the cam being spaced to a distance to provide between said risers and the respective top and bottom of the box clearances slightly less than the thickness of the belt around said cam whereby when the cam is turned so as to force the risers toward the respective top and bottom of said box said risers squeeze and hold said belt in the box against movement, and when said cam is turned to move said risers away from said top and bottom the belt is released for adjustment,
• a yoke having its legs on said shaft,
• a connecting element between the yoke and said cam,
• and a manipulating handle whereby said yoke is turned to turn said cam into releasing position.

In a box style belt adjuster

• an elongated box having a top, a bottom and end walls and having a passage therethrough to accommodate a belt,
• a pivot shaft held in the end walls of the box
• a cam on the pivot shaft within the box,
• risers on the cam being spaced to a distance to provide between said risers and the respective top and bottom of the box clearances slightly less than the thickness of the belt around said cam whereby when the cam is turned so as to force the risers toward the respective top and bottom of said box said risers squeeze and hold said belt in the box against movement, and when said cam is turned to move said risers away from said top and bottom the belt is released for adjustment,
• ears extended from the box beyond said passage,
• and a web supporting element between said ears spaced from said shaft.

In a box style belt adjuster

• an elongated box having a top, a bottom and end walls and having a passage therethrough to accommodate a belt,
• a pivot shaft held in the end walls of the box
• a cam on the pivot shaft within the box,
• risers on the cam being spaced to a distance to provide between said risers and the respective top and bottom of the box clearances slightly less than the thickness of the belt around said cam whereby when the cam is turned so as to force the risers toward the respective top and bottom of said box said risers squeeze and hold said belt in the box against movement, and when said cam is turned to move said risers away from said top and bottom the belt is released for adjustment,
• spaced parallel ears extending from said end walls beyond the box in extension of said passage,
• a detachable cap between said ears closing the passage behind the belt on the cam,
• a yoke in the space covered by said cap,
• the legs of the yoke being connected to said shaft,
• means to connect said yoke to said cam for rocking said cam,
• and a manipulating element extended from said yoke through said cap so as to be accessible from the outside for manipulating said yoke.