초록

A trailer hitch assembly positioned in the bed of a pickup truck permits a trailer ball hitch to be rotatably moved between a deployed position and a retracted position by utilizing only forces generated manually and by the force of gravity.

대표청구항 ▼

[ Having described my invention in such terms as to enable those skilled in the art to make and practice the invention, and having described the presently preferred embodiment thereof, I claim:] [1.] A retractable hitch ball assembly for a truck bed, said truck bed including a floor, said hitch ball

[ Having described my invention in such terms as to enable those skilled in the art to make and practice the invention, and having described the presently preferred embodiment thereof, I claim:] [1.] A retractable hitch ball assembly for a truck bed, said truck bed including a floor, said hitch ball assembly includinga plate adapted to be attached to the truckmounting means having an axis substantially normal to said plate and adapted to be secured to said floor of the truck bed and to extend beneath said floor;a hitch ball unit including(i) a body shaped and dimensioned to be movably mounted adjacent said mounting means and including an upper end and a lower end, and(ii) a hitch ball connected to said upper end of said body;a cooperating locking pin and groove structure provided one on said hitch ball unit and the other on said mounting means,displacement means to lift, lower and rotate said hitch ball unit with respect to said mounting means and between at least two operative positions(iii) a first retracted position with said hitch ball positioned beneath said plate and adjacent said mounting means, and(iv) a second deployed position with said hitch ball extending above said plate and said mounting means;said hitch ball unit being rotated about said axis with said displacement means and lifted with said displacement means in a direction substantially parallel to said axis to move said hitch ball unit from said first retracted position to said second deployed position,said groove includinga first section which permits said locking pin to move up and down in said first section when said displacement means lifts and lowers said hitch ball unit, anda second section connected to said first section which permits said locking pin to move in said second section when said displacement means rotates said hitch ball unit about said axis.