Abstract: A liquid spring shock absorber is provided with an improved piston head-piston rod assembly free of stress force concentrating design features. The shock absorber assembly further includes a slidably extending member for the accomodation of tension loads.

Abstract: A contact lens wherein the body of the lens is made of soft plastic with a stabilized optical area in the lens, stabilization of the optical area being realized with the addition of stabilizing means at or slightly radially outwardly disposed with respect to the approximate maximum pupil opening of the eye.

Abstract: A cable clamp having jaws hingedly connected at one end by a hinge having a diametrical bore through which a cable can be inserted between the jaws, is energized by tension applied to the other ends of the jaws by a means acting to draw the jaws together into clamping engagement with a cable engaged between the jaws.

Abstract: An injection mold is disclosed for making an article having a plurality of side walls defining an enclosure. The mold elements during opening and closing of the mold move in a coordinated manner via mechanical interlocks. A first mold section carries plural side wall members that slide between a closed position and an open position. A second mold section interlocks with the side wall members to carry them from their closed to their open position and the side wall members are themselves linked to a stripper ring that strips the article from the mold. Other features are disclosed.