Patent ID: 7946239
Filing Date: 2011-05-24
Classification: B63B

Abstract:
1. A coupling system comprising: a coupling assembly including a fixed component and a pivotable component, the fixed component having a base and an upstanding projection with a central bore and a plurality of small apertures around the bore, the pivotable component having a distal section and a proximal section with a planar face in sliding contact with the fixed component, the pivotable component having a threaded aperture axially aligned with the bore of the fixed component, a pin in the planar face selectively positionable in a small aperture; and intermediate components adjustably coupling the fixed and pivotable components, the intermediate components including a bolt received in the threaded aperture and slidably received in the bore, the bolt having a free end extending through the bore with a nut adjacent to the free end, a coil spring on the bolt between the nut and the fixed component urging the pins into a small aperture.