Patent ID: 6922375

Claim:
A super-thin hanging clock comprising a housing, a core, and a transparent cover, said housing having a front surface recessed to combine a needle unit therein, said housing having a back surface provided with a core recess for containing said core therein, said transparent cover laid on the front side of said housing; characterized by said core comprising a first shell, a second shell, a stator, a transmitting gear system, a PC board, an electrically time-adjusting button, and a battery; and, said stator having a coil wound thereon and an extended end to face a rotor of said transmitting gear system, said transmitting gear system consisting of the rotor, a transmitting gear, a minute gear, a front hour gear and an hour gear, said rotor engaging said transmitting gear, said transmitting gear having a shaft provided with circumferential teeth, said circumferential teeth of said transmitting gear engaging said minute gear, said minute gear having a shaft provided with circumferential teeth, said circumferential teeth of said minute gear engaging said front hour gear, said front hour gear having a shaft provided with circumferential teeth, said circumferential teeth of said front hour gear engaging said hour gear, said hour gear having the same shaft as said minute gear, said same shaft of said hour gear having its axis connected with the needle unit, said PC board positioned in said first shell, said electrically time-adjusting button fixed on said PC board, said electronic battery positioned at one side of said PC board, said second shell laid on the back surface of said first shell to define a space for containing the other components of said core, said second shell having a through hole for said electrically time-adjusting button to pass through, and a swingable lid provided to cover on said electronic battery.