Abstract: A coin releasing device of a coin stacking machine, including a rotary mechanism and a transmission mechanism locked therewith. The rotary mechanism is rotated to drive a transmission plate of the transmission mechanism, whereby the pushing plates on two sides of the transmission plate can stack and push out the coins.

Abstract: A mini UHF coaxial cable connector includes a die cast housing, a dielectric received inside the die cast housing, a terminal disposed inside the dielectric, a coaxial cable extending to the die cast housing via the terminal, and a ferrule tightly fitted around the coaxial cable to connect the cable to the die east housing. The dielectric has two radially and inwardly projecting and axially extending elongated ribs formed on an inner wall thereof, and the terminal has two axially extending elongated slots formed thereon which correspond to and receive the two elongated ribs of the dielectric, such that the terminal will not rotate relative to the dielectric and twisting and breakage of the coaxial cable as the antenna is screwed into the connector can be avoided.

Abstract: An automatic steel ball recollecting apparatus for use in pinball machines comprises a score board, a drive motor, a main frame, a slide board, and steel ball trapping units.

Abstract: A convenient and easily reassembleable control mechanism for a video game is provided. The control mechanism includes a control rod, a mechanism body, a switch control plate, a plurality of micro switches and an actuator wherein the switch control plate has a central square hole having four defining wall corners from which the control plate is provided with a four outwardly extending grooves adjustably receiving therein four adjustors each of which can project beyond or fully be received in one respective groove so that the actuator can operate one microswitch or two adjacent microswitches at a time.

Abstract: A ticket dispenser capable of effectively preventing additionally withdrawing thereout a ticket is provided.