Appeal No. 95-0575
Application No. 07/921,645
a counter-weight means connected to one of said
links for applying a force to said parallelogram linkage system
in opposition to a force to be applied to said parallelogram
linkage system by the weight of the basketball backboard.
20. An adjustable basketball backboard support system for
mounting a basketball backboard to a support member comprising:
a parallelogram linkage system including at least
two parallel links pivotally interconnecting the basketball
backboard and the support member;
adjustment means for adjustably connecting one of
said links to said support member to determine the height of the
basketball backboard;
a counter-weight means including a mass on said
adjustment means for applying a force to said parallelogram
linkage system in opposition to a force to be applied to said
parallelogram linkage system by the weight of the basketball
backboard; and
varying means for adjusting the connection of said
adjustment means to said one link to vary said forces applied by
said mass.
24. An adjustable basketball backboard support system
comprising:
a basketball backboard;
a support member;
a parallelogram linkage system including at least
two parallel links pivotally interconnecting the basketball
backboard and the support member;
adjustment means for adjustably connecting one of
said links to said support member to determine the height of the
basketball backboard; and
mounting means including a C clamp attached to
said support member and having a plurality of holes defining a
plurality of heights of said backboard and including a pin
2
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