Gear assembly for disk transport apparatus

A gear assembly for transferring a rotating force from a driving gear to a driven gear, said gear assembly comprising:

• a first gear as said driven gear of a first diameter having a first circular recessed portion formed on a lower portion thereof, a first circular protruding portion formed in said first circular recessed portion, and a second circular protruding portion having a ring-shaped engagement recessed groove having a neck portion therein formed on said first circular protruding portion, and said first gear engaged with a transporting gear engaged with a tray rack so that the rotation force is transferred to a disk tray to move the disk tray reciprocatingly;
• a second gear as said driving gear coaxially located with said first gear and having a diameter approximately half the first diameter, said second gear having a third circular protruding portion having a diameter smaller than that of said first circular protruding portion and greater than that of second circular protruding portion, a ring-shaped engagement protruding portion formed on said third circular protruding portion corresponding to said ring-shaped engagement recessed groove and a discontinuity corresponding to said neck portion, and said second gear engaged with a moving rack of a disk player which is reciprocatingly operated within a predetermined distance by means of a motor;
• and
• a panel spring comprised of a spring and two confronting panels, said panels provided on both ends of said spring, for buffering a stress applied to said first and second gears when a rotation force is transferred between said first and second gears, said panel spring being located between said neck portion and a sidewall of said ring-shaped engagement protruding portion,
• whereby the gear assembly is provided with a stress margin when said first gear receives stopping and rotation forces so that the gear assembly is protected from the stress and the motor is protected from an overload.

A gear assembly for transferring a rotation force from a driving gear to a driven gear, said gear assembly comprising:

• a first gear as said driven gear of a first diameter having a first circular recessed portion formed on a lower portion thereof, a first circular protruding portion formed in said first circular recessed portion, and a second circular protruding portion having a ring-shaped engagement recessed groove having a neck portion therein formed on said first circular protruding portion, and said first gear engaged with a transporting gear engaged with a tray rack so that the rotation force is transferred to a disk tray to move the disk tray reciprocatingly
• a second gear as said driving gear coaxially located with said first gear and having approximately half the first diameter, said second gear having a third circular protruding portion having a diameter smaller than that of said first circular protruding portion and greater than that of second circular protruding portion, a ring-shaped engagement protruding portion formed on said third circular protruding portion corresponding to said ring-shaped engagement recessed groove and a discontinuity corresponding to said neck portion, and said second gear engaged with a moving rack of a disk player which is reciprocatingly operated within a predetermined distance by means of a motor;
• and
• a pair of semicircular ended protruding elastic portions for buffering a stress applied to said first and second gears when a rotation force is transferred between said first and second gears, said semicircular ended protruding elastic portions extending from both upper sidewall portions of said ring-shaped engagement protruding portion opposing said neck portion and said semicircular ended protruding elastic portion including a hole having a diameter smaller than that of said semicircular ended protruding elastic portion therein,
• whereby the gear assembly is provided with a stress margin when said first gear receives stopping and rotation forces so that the gear assembly is protected from the stress and the motor is protected from an overload.