Patent ID: 7311331

Claim:
A combination, comprising: a trailer; a first support member secured to said trailer; a second support member secured to said first support member, said second support member being telescopically received within said first support member and being movable between raised and lowered positions; a first cross member; first means for moving said second support member between said raised and lowered positions upon rotation of said first cross member, said first cross member being operably connected to said first moving means; a second cross member; a drive, said drive comprising: a motor; and a first drive shaft operably connected to said motor, said first drive shaft having first and second end portions, said first end portion being affixed to said first cross member and said second end portion being affixed to said second cross member; the combination further comprising: a third support member secured to said trailer; a fourth support member secured to said third support member, said fourth support member being telescopically received within said third support member and being movable between raised and lowered positions; and second means for moving said fourth support member between said raised and lowered positions upon rotation of said second cross member, said second cross member being operably connected to said second moving means, wherein the first end portion of the first drive shaft is affixed to an end of the first cross member and the second end portion of the first drive shaft is affixed to an end of the second cross member.