# US 2010/0169902 A1 · Disc loading device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0169902 A1 - Document ID: US20100169902A1 - Status: Published application - Kind: A1 - Application number: 12/632,983 - Filed: 2009-12-08 - Published: 2010-07-01 - Earliest claimed: 2008-12-29 - Assignees: Samsung Electronics Co., Ltd. - Inventors: Jae Kab SEO; Won Youl Bae; Heyun Moon Bang; Byeng Bae Park - Web page: https://patentgrep.com/patent/US20100169902A1 ## CPC - G11B 17/0515: {adapted for discs of different sizes} - G11B 17/0284: {by clampers} - G11B: INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER (recording measured values in a way that does not require playback through a transducer G01D9/00; recording or playback apparatus using mechanically marked tape, e.g. punched paper tape, or using unit records, e.g. punched or magnetically marked cards G06K; transferring data from one type of record carrier to another G06K1/18; circuits for coupling output of reproducer to radio receiver H04B1/20; gramophone pick-ups or like acoustic electromechanical transducers or circuits therefor H04R) ## Abstract Disclosed herein is a disc loading device applied to small-sized and slim type disc players. The disc loading device may include a first guide lever, a second guide lever, a trigger lever, a chucking unit, a slider, and a connecting unit. The connecting unit may be selectively operatively connected to the second guide lever, upon loading a first disc or a second disc, to change a timing at which a rotational force of the trigger lever may be transmitted to the slider. ## Claims ### Claim 1 A disc loading device, comprising: a main frame and a sub frame defining a loading region to allow a first disc and a second disc having different diameters to be loaded thereto; a first guide lever rotatably mounted outside the loading region on the sub frame and extending into the loading region to interfere with the first disc or second disc when the first disc or second disc is loaded into the disc loading device; a second guide lever rotatably mounted outside the loading region on the sub frame and extending into the loading region to interfere with the second disc when the second disc is loaded into the disc loading device; a trigger lever rotatably mounted outside the loading region on the main frame and extending into the loading region to interfere with the discs; a chucking unit to chuck the first disc or the second disc located at the loading region; a slider reciprocatably mounted outside the loading region to operate the chucking unit; and a connecting unit disposed between the trigger lever and the slider to transmit a rotational force of the trigger lever to the slider, wherein the connecting unit is selectively operatively connected to the second guide lever, upon loading the first disc or the second disc, to change a timing at which the rotational force of the trigger lever is transmitted to the slider. ### Claim 2 (depends on 1) The disc loading device according to claim 1, wherein the connecting unit comprises a connecting cam rotatably mounted to be operatively connected to the second guide lever and a connecting rod translatably and rotatably mounted to be operatively connected to the connecting cam and the trigger lever. ### Claim 3 (depends on 2) The disc loading device according to claim 2, wherein the connecting cam has a third connection groove to be operatively connected to the connecting rod, and the connecting rod has a third connection protrusion inserted in the third connection groove. ### Claim 4 (depends on 2) The disc loading device according to claim 2, wherein the connecting cam has a fourth connection groove to be operatively connected to the second guide lever, and the second guide lever has a fourth connection protrusion inserted in the fourth connection groove. ### Claim 5 (depends on 2) The disc loading device according to claim 2, wherein the connecting rod has a first constraint part and a second constraint part to be operatively connected to the trigger lever, and the trigger lever has an output protrusion to be selectively constrained by the first constraint part and the second constraint part. ### Claim 6 (depends on 5) The disc loading device according to claim 5, wherein the output protrusion is constrained by the first constraint part when the connecting cam is not operatively connected to the second guide lever, and the output protrusion is constrained by the second constraint part when the connecting cam is operatively connected to the second guide lever. ### Claim 7 (depends on 1) The disc loading device according to claim 1, further comprising: a gap adjustment plate to be operatively connected to the slider with a movement of the slider. ### Claim 8 (depends on 7) The disc loading device according to claim 7, wherein the slider has a third catching protrusion to be operatively connected to the gap adjustment plate, and the gap adjustment plate has a fourth catching protrusion to be coupled to the third catching protrusion. ### Claim 9 (depends on 7) The disc loading device according to claim 7, wherein the gap adjustment plate has a second gap adjustment protrusion to push the trigger lever. ### Claim 10 (depends on 7) The disc loading device according to claim 7, further comprising: a connection plate selectively operatively connected to the gap adjustment plate to cause rotations of the first guide lever and the second guide lever to separate the first guide lever and the second guide lever from the second disc. ### Claim 11 (depends on 10) The disc loading device according to claim 10, wherein the gap adjustment plate has a first gap adjustment protrusion, and the connection plate has a pass-through part to allow the first gap adjustment protrusion to pass therethrough when loading the first disc and a contact part to interfere with the first gap adjustment protrusion when loading the second disc. ### Claim 12 (depends on 11) The disc loading device according to claim 11, wherein the connection plate is operatively connected to the first guide lever, and the second guide lever is operatively connected to the first guide lever. ### Claim 13 (depends on 12) The disc loading device according to claim 12, wherein the connection plate has a first connection protrusion to be operatively connected to the first guide lever, and the first guide lever has a first connection groove to receive the first connection protrusion. ### Claim 14 (depends on 12) The disc loading device according to claim 12, wherein the first guide lever has a first catching protrusion to be operatively connected to the second guide lever, and the second guide lever has a second catching protrusion supported by the first catching protrusion. ### Claim 15 (depends on 2) The disc loading device according to claim 2, wherein the connecting rod has an auxiliary protrusion member to provide an elastic force to rotate the connecting rod in one direction. ### Claim 16 A disc loading device, comprising: a main frame and a sub frame defining a loading region to allow a first disc and a second disc having different diameters to be loaded thereto; a plurality of first guide levers linked to each other and rotatably mounted outside the loading region and extending into the loading region; and a plurality of second guide levers linked to each other and rotatably mounted outside the loading region and extending into the loading region, the second guide levers constraining or releasing the first guide levers, wherein the second guide levers constrain the first guide levers upon loading the first disc to the loading region such that a chucking position of the first disc is decided by the first guide levers, and the second guide levers release the first guide levers upon loading the second disc to the loading region such that a chucking position of the second disc is decided by the first guide levers and the second guide levers moving out of the loading region. ### Claim 17 A disc loading device, comprising: a lower frame and an upper frame defining a disc placement region to allow discs of different sizes to be placed thereon; a narrow pair of pivoting levers facing each other to guide discs into the disc placement region; a wide pair of pivoting levers facing each other to guide discs into the disc placement region; a first elastic member mounted in the upper frame to provide opposite forces to the narrow pair of pivoting levers; and a second elastic member mounted on one of the wide pair of pivoting levers to provide a rotating force to one of the wide pair of pivoting levers. ### Claim 18 (depends on 17) The disc loading device of claim 17, wherein: the narrow pair of guide levers are linked and rotated together, and the wide pair of guide levers are linked and rotated together. ### Claim 19 (depends on 17) The disc loading device of claim 17, wherein: the narrow pair of guide levers and wide pair of guide levers are mounted at the sub frame outside the loading region. ### Claim 20 A disc loading device, comprising: a first frame and a second frame to define a loading region; a trigger lever having an end disposed to contact a first disc in a first loading region of the loading region; a plurality of levers each having an end disposed to contact a second disc in a second loading region of the loading region, a clockwise rotation of a second right-side lever is limited due to a first catching protrusion on a first right-side lever upon uploading a second disc into the loading region, and a counterclockwise rotation of a first right-side lever is limited due to a stopper on the second right-side lever upon loading a first disc into the loading region. ### Claim 21 A disc drive apparatus, comprising: a controller to control the loading and unloading of small and large sized discs into the disc driving apparatus, wherein the controller further controls: a loading and unloading unit to advance small and large discs into the disc drive apparatus toward a loading region; a chucking unit to chuck small and large discs located in the loading region; a detecting unit to sense placement of small and large discs within the disc drive apparatus; a trigger lever rotatably mounted outside the loading region and extending into the loading region; a first guide lever rotatably mounted outside the loading region and extending into the loading region to guide small and large discs into the loading region; and a second guide lever rotatably mounted outside the loading region and extending into the loading region to guide large discs into the loading region. ### Claim 22 (depends on 21) The disc drive apparatus of claim 21, further comprising: an input unit to input commands to the controller, wherein input commands comprise at least one of disc eject, disc play, disc forward, disc reverse, disc pause, and disc stop.