Patent ID: 8282053

Claim:
An apparatus for adjusting the length of a leg of a boat lift with the leg having a tubular outer leg member with upper and lower ends and a tubular inner leg member with upper and lower ends, slidably received therein, the lower end of the inner leg member having a support pad mounted thereon, comprising: an elongated hollow tube having upper and lower ends positioned adjacent the leg and disposed parallel thereto; said lower end of said tube being secured to said inner leg member; an internally threaded member secured to said tube at the upper end thereof; an elongated, externally threaded shaft, having upper and lower ends, threadably extending downwardly through said internally threaded member into said tube; said upper end of said shaft being positioned above said upper end of said tube; a bracket secured to said outer leg member and extending laterally therefrom above said upper end of said tube; said shaft extending upwardly through said bracket so that said upper end of said shaft is positioned above said bracket; an operating nut fixed to said upper end of said shaft above said bracket; and a locking collar fixed to said shaft below said bracket whereby rotation of said operating nut in a first direction will cause said outer leg member to move upwardly with respect to said inner leg member and whereby rotation of said operating nut in a direction opposite to said first direction will cause said outer leg member to move downwardly with respect to said inner leg member.