Abstract: A loudspeaker assembly includes a speaker diaphragm that is displaced to produce sound, and a spinner element mounted to rotate in the path of sound waves produced by the speaker diaphragm, the spinner defining sound wave passing through openings, in said path. Illumination of interior structure, may be provided, for visual effect through openings defined between rotating spinner arms, and between non-rotating grille arms. Different combinations of grilles and spinners are easily enabled by mounting structure.

Abstract: CD player apparatus comprising a case having a front opening and side walls, and a slider in the case to carry a CD or DVD, and forwardly movable toward and partly through the front opening; a release at one side wall to be actuated to release the slider for forward movement relative to the front opening; an arm at the outer side of the side wall and supported to pivot toward and away from the release; and an actuator carried by the arm to be manually moved to pivot the arm toward the release to activate the release, whereby the slider can then move forward relative to the front opening.

Abstract: A lever controlled battery terminal connection, comprising a body having upper and lower portions, said lower portion defining a re-entrant recess to receive a battery terminal post, a lever carried by the body to pivot relative to said body upper portion and relative to said recess, the lever having one pivoted position wherein clamping force is transmitted to the post by the lever.