Patent ID: 6309264
Filing Date: 2001-10-30
Classification: F16F

Abstract:
A tilt and trim cylinder arrangement for an outboard drive and watercraft comprising an outer cylinder adapted to be affixed to one of the outboard drive and the watercraft and defining a first internal cavity, a tilt cylinder received and slidably supported within the first internal cavity and defining a second internal cavity, a tilt piston received and slidably supported within the second internal cavity, a piston rod affixed to the tilt piston and extending beyond the internal cavities for attachment to the other of the outboard drive and the watercraft, a first valving mechanism disposed in the tilt piston for causing a first shock-absorbing flow of fluid across the sides of the tilt piston for permitting the piston rod to move out from the first and second internal cavities when an underwater obstacle is struck with sufficient force that is greater than a first preset force, and a second valving mechanism configured to permit a second shock-absorbing flow of the fluid across the sides of the tilt cylinder for permitting the tilt cylinder to slide within the first internal cavity.