Adjustable basketball goal

An adjustable basketball goal comprising,

• a mast having,
• a hollow fist mast member vertically positioned and having top and bottom ends with said bottom end being adapted to be operatively supported on the ground,
• a second mast member having opposite ends with one end connected to the top end of said first mast member and extending horizontally,
• a third mast member vertically positioned and having top and bottom ends, said bottom end being connected to the other end of said horizontally extending second mast member,
• a backboard arm having inner and outer ends pivotally connected at its inner end to said third mast member above said second mast member and extending over and beyond said first mast member,
• a backboard goal mounted on the outer end of said backboard arm, and
• a jack having a base substantially totally mounted in said hollow first mast member beneath said backboard arm and including a rigid rod telescopically received in and extendable from said base and extending upwardly out the top of said first mast member and being connected at its uppermost end to said backboard arm at a point remote from the pivotal connection of said backboard arm to said third mast member whereby said backboard arm may be pivotally raised and lowered through a range of heights through extension and retraction of said rod, said rod being free of any support between said first mast member and said backboard arm, and being free of any angularly displaceable or freely slidable joints between its upper end and the jack base.