Patent ID: 7001230
Filing Date: 2006-02-21
Classification: B63H,F15B

Abstract:
1. A position adjusting arrangement for an outboard drive supported for pivotal movement about an axis on a watercraft hull, said arrangement comprising a first unit fixed for pivotal movement relative to the hull and a second unit adapted to be connected to the outboard drive, one of said units comprising a body defining a cylinder bore, the other of said units comprising a piston reciprocating in said cylinder bore and dividing said cylinder bore into two axially spaced chambers and a piston rod fixed to said piston and extending through one of said chambers for connection to the respective of the outboard drive and the hull, and a cavity formed in an uppermost surface of said piston spaced inwardly of its engagement with said cylinder bore for receiving foreign particles and precluding their entry to the mating surfaces of said piston and said cylinder bore, and an annular sealing ring positioned at the uppermost surface of the piston above said cavity.