Connecting device for use in a head drum assembly

A head drum assembly incorporating therein a connecting device, the head drum assembly including an upper drum having at least two video heads on its lower surface, a flange into which an upper portion of a shaft is mounted on a center of the upper drum, a lower drum through which a lower portion of the shaft is mounted, a rotor transformer and a stator transformer installed within an inner space between the upper drum and the lower drum to transmit a signal between the upper drum and the lower drum, the connecting device comprising:

• a holder of a general circular shape having a center hole through which the flange is fitted, a plurality of bosses on top thereof, each of the bosses being provided with an assembling hole;
• and
• a plurality of connectors, each of the connectors having a body provided with a pair of posts insertable into the assembling hole for allowing the body to be maintained on the holder and a terminal plate for elastically contacting the video head and for elastically contacting the rotor transformer, the terminal plate being integrally formed with the body
• wherein said holder has a plurality of guiding grooves, each of the guiding grooves being formed on the holder near each of the bosses and the body has a pin protruding from an upper surface thereof and being inserted into one of the guiding grooves.

A head drum assembly incorporating therein a connecting device, the head drum assembly including an upper drum having at least two video heads on its lower surface, a flange into which an upper portion of a shaft is mounted on a center of the upper drum, a lower drum through which a lower portion of the shaft is mounted, a rotor transformer and a stator transformer installed within an inner space between the upper drum and the lower drum to transmit a signal between the upper drum and the lower drum, the connecting device comprising:

• a holder of a general circular shape having a center hole through which the flange is fitted, a plurality of bosses on top thereof, each of the bosses being provided with an assembling hole;
• and
• a plurality of connectors, each of the connectors having a body provided with a pair of posts insertable into the assembling hole for allowing the body to be maintained on the holder and a terminal plate for elastically contacting the video head and for elastically contacting the rotor transformer, the terminal plate being integrally formed with the body,
• wherein said body further has a hook being insertable into the assembling hole and provided with a head snapping up an upper surface of the boss.

A head drum assembly incorporating therein a connecting device, the head drum assembly including an upper drum having at least two video heads on its lower surface, a flange into which an upper portion of a shaft is mounted on a center of the upper drum, a lower drum through which a lower portion of the shaft is mounted, a rotor transformer and a stator transformer installed within an inner space between the upper drum and the lower drum to transmit a signal between the upper drum and the lower drum, the connecting device comprising:

• a holder of a general circular shape having a center hole through which the flange is fitted, a plurality of bosses on top thereof, each of the bosses being provided with an assembling hole;
• and
• a plurality of connectors, each of the connectors having a body provided with a pair of posts insertable into the assembling hole for allowing the body to be maintained on the holder and a terminal plate for elastically contacting the video head and for elastically contacting the rotor transformer, the terminal plate being integrally formed with the body,
• wherein said terminal plate includes an inner plate and an outer plate, each of the plates having a first spring plate bent upwardly to contact a land of the video head and second spring plate bent downwardly to contact a land of the rotor transformer.

A head drum assembly incorporating therein a connecting device, the head drum assembly including an upper drum having at least two video heads on its lower surface and a center hole, a lower drum through which a lower portion of the shaft is mounted, a rotor transformer and a stator transformer installed within an inner space between the upper drum and the lower drum to transmit a signal between the upper drum and the lower drum, the connecting device comprising:

• a flange closely fitted into the center hole of the upper drum and having a through hole through which an upper portion of the shaft is mounted and a pair of center protuberances, each of the center protuberances having a pair of edge protuberances formed on both sides thereof;
• a holder having a first semi circular member and a second semi circular member, each of the semi circular members having a pair of retainers engaging with the pair of edge protuberances, respectively, and a plurality of bosses on top thereof, each of the bosses provided with an assembling hole;
• and
• a plurality of connectors, each of the connectors having a body provided with a pair of posts insertable into the assembling hole for allowing the body to be maintained on the holder, a terminal plate for elastically contacting the video head and for elastically contacting the lower transformer, the terminal plate being integrally formed with the body.