# US 4,875,743 A · Recording media storage apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,875,743 A - Document ID: US4875743A - Status: Granted - Kind: A - Application number: 07/215,357 - Filed: 1988-07-05 - Granted: 1989-10-24 - Earliest claimed: 1988-07-05 - Assignees: Shape Corp. - Inventors: Anthony Gelardi; Alan Lowry; Craig Lovecky - Web page: https://patentgrep.com/patent/US4875743A ## CPC - G11B 33/0444: {for discs without cartridge} - 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 An apparatus for storing a plurality of disc-shaped recording media includes a housing and a plurality of thin, substantially C-shaped lever members, each of which has an inner circumferential surface for holding a disc-shaped recording media by an outer circumferential surface of the recording media. Each lever member is pivotally connected to the housing by a pivot post and is pivotally movable into and out of the housing. A lock mechanism prevents the lever members from pivoting out of the housing, while a detent mechanism holds the unlocked lever members in either a closed or open position. The inner circumferential surface of the C-shaped lever members subtends an angle greater than 180.degree. in order to create a spring force in two arms of the lever member, the spring force acting to hold the disc-shaped recording media on the circumferential surface of the lever member. ## Claims ### Claim 1 An apparatus for storing a plurality of disc-shaped recording media, each having an outer circumferential edge, comprising; portable housing means for securely housing and portably transporting the plurality of disc-shaped recording media; holder means, pivotally connected to the housing, for holding the plurality of disc-shaped recording media by the outer circumferential edges thereof the holder means including a plurality of thin substantially C-shaped lever members formed of a flexible material, each having an inner circumferential surface for holding a disc-shaped recording media thereon, and each circumferential surface having a radius substantially equal to a radius of the disc-shaped recording media and a recording media insertion diameter smaller than the diameter of the disc-shaped recording media wherein the C-shaped lever member acts as a spring and flexes open when the disc-shaped recording media is inserted and securely holds the media therein upon insertion; pivot means, disposed within the housing, for pivotally moving the holder means into and out of the housing; and lock means for locking the holder means in the housing. ### Claim 2 (depends on 1) An apparatus according to claim 1, wherein the inner circumferential surface of each C-shaped lever member subtends an angle greater than 180.degree.. ### Claim 3 (depends on 2) An apparatus according to claim 2, wherein each C-shaped lever member has a back portion, and first and second arm portions which are flexible radially outwardly to receive the disc-shaped recording media being inserted therebetween on the inner circumferential edge. ### Claim 4 (depends on 3) An apparatus according to claim 3, wherein each arm portion of each C-shaped lever member has a distal end and a proximal end, the proximal ends of the first and second arms being interconnected through the back portion. ### Claim 5 (depends on 4) An apparatus according to claim 4, wherein the pivot means comprises a pivot post disposed within the housing and a hole provided in each lever member at a corner between the first arm portion and the back portion for receiving the pivot post, each lever member being pivotable between a fully open position and a fully closed position. ### Claim 6 (depends on 5) An apparatus according to claim 5, further comprising a pull tab extending outwardly from the second arm portion of each C-shaped lever member. ### Claim 7 (depends on 5) An apparatus according to claim 5, wherein the lock means comprises a lock slidably mounted on the housing adjacent the distal ends of the second arm portions of the C-shaped lever members and being slidable between locked and unlocked positions, the lock having saw-teeth provided on a forward portion thereof which center the distal ends of the second arm portions when the C-shaped lever members are in the fully closed position, and abuts the distal ends of the lever members when the sliding lock is in the locked position to prevent movement of the lever member. ### Claim 8 (depends on 7) An apparatus according to claim 7, wherein the lock is axially slidable along the housing into the locked and unlocked positions and has a projection provided on a rearward portion thereof which is disengaged to unlock the sliding bar by pressing the lock downwardly. ### Claim 9 (depends on 5) An apparatus according to claim 5, further comprising detent means, operatively connected to the C-shaped lever members, for positioning the C-shaped lever members in an open position and a closed position. ### Claim 10 (depends on 9) An apparatus according to claim 9, wherein each C-shaped lever member is arcuately shaped at the corner of the back and first arm portions wherein the arcuately shaped corner includes first and second recesses, and the detent means includes a plurality of spring arms snapping individually into engagement with the first and second recesses as each C-shaped lever member pivots to the open and closed positions. ### Claim 11 (depends on 13) An apparatus according to claim 13, wherein the plurality of spring arms are interconnected through a base connected to the housing, each spring arm having a headed distal end movable independently of each other into engagement with the recesses provided in the plurality of Cshaped lever members. ### Claim 12 (depends on 11) An apparatus according to claim 11, wherein the base and the plurality of spring arms comprise a one-piece member integrally formed of flexible plastic material. ### Claim 13 (depends on 1) An apparatus according to claim 1, further comprising detent means, operatively connected to the C-shaped lever members, for positioning the C-shaped lever members in an open position and a closed position. ### Claim 14 (depends on 13) An apparatus according to claim 13, wherein the detent means includes a spring detent having a plurality of spring arms, each of which individually snap into engagement with the plurality of C-shaped lever members, the spring arms providing means for preventing pivotal movement of one lever member from transferring to any of the remaining lever members. ### Claim 15 (depends on 1) An apparatus according to claim 1, wherein the housing is substantially rectangular in shape and has first and second opposite end walls and an L-shaped opening between the end walls through which the holder means pivots. ### Claim 16 (depends on 15) An apparatus according to claim 15, wherein the housing has four rounded corners, and the pivot means includes a pivot post extending between the opposite end walls of the housing at one of the corners thereof. ### Claim 17 (depends on 16) An apparatus according to claim 16, wherein the lock means comprises a slidable lock slidably supported on the housing near a corner which is diagonally opposite to the corner having the pivot post. ### Claim 18 (depends on 17) An apparatus according to claim 17, wherein each C-shaped lever member has first and second arm portions, each having a proximal end, and a back portion interconnecting the first and second arm portions at the proximal ends thereof. ### Claim 19 (depends on 18) An apparatus according to claim 18, wherein the slidable lock has a forward portion having a plurality of saw-teeth and a groove between each saw-tooth which receives the distal ends of the C-shaped lever members when the slidable lock is placed in a locking position. ### Claim 20 (depends on 19) An apparatus according to claim 19, wherein the slidable lock has a projection which extends in a direction transverse the direction of sliding movement of the sliding bar, the projection being disengaged by passing the sliding lock downwardly into the housing. ### Claim 21 (depends on 1) An apparatus according to claim 1, wherein the lock means comprises a sliding lock having saw-teeth provided on a forward portion thereof which engage the distal ends of the C-shaped lever members therebetween. ### Claim 22 (depends on 21) An apparatus according to claim 21, further comprising grooves provided between each two adjacent saw-teeth, each groove opening downwardly and slidably receiving the distal end of one of the C-shaped lever members. ### Claim 23 (depends on 22) An apparatus according to claim 22, wherein the sliding lock has a projection formed on a rearward portion thereof, and the housing is provided with first and second grooves which engage the projection to hold the sliding lock in a lock and unlocked position, respectively. ### Claim 24 (depends on 23) An apparatus according to claim 23, wherein the projection extends upwardly into the first and second grooves, and the sliding lock is movable downwardly to disengage the projection from the first and second grooves to allow movement of the sliding lock between the locked and unlocked positions. ### Claim 25 (depends on 1) An apparatus according to claim 1, wherein each C-shaped lever member is a one-piece member made of flexible plastic material. ### Claim 26 An apparatus for storing a plurality of disc-shaped recording media, each having an outer circumferential edge, comprising: a housing; holder means, pivotally connected to the housing, for holding the plurality of disc-shaped recording media by the outer circumferential edges thereof, wherein the holder means includes a plurality of thin, substantially C-shaped lever members, each lever member having first and second arm portions, and each arm portion having a distal end; pivot means, disposed within the housing, for pivotally moving the holder means into and out of the housing; and lock means for locking the holder means in the housing, wherein the lock means includes a sliding lock having saw-teeth provided on a forward portion thereof which engage the distal ends of the C-shaped lever members therebetween. ### Claim 27 (depends on 26) An apparatus according to claim 26, wherein the sliding lock include grooves provided between each two adjacent saw-teeth, each groove opening downwardly and slidable receiving the distal end of one of the C-shaped lever members. ### Claim 28 (depends on 27) An apparatus according to claim 27, wherein the sliding lock has a projection formed on a rearward portion thereof, and the housing is provided with first and second grooves which engage the projection to hold the sliding lock in a lock and unlocked position, respectively. ### Claim 29 (depends on 28) An apparatus according to claim 28, wherein the projection extends upwardly into the first and second grooves, and the sliding lock is movable downwardly to disengage the projection from the first and second grooves to allow movement of the sliding lock between the locked and unlocked positions. ### Claim 30 (depends on 26) An apparatus according to claim 26, wherein the sliding lock is a one piece member. ### Claim 31 An apparatus for storing a plurality of disc-shaped recording media, each having an outer circumferential edge, comprising: a housing; holder means, pivotally connected to the housing, for holding the plurality of disc-shaped recording media by the outer circumferential edges thereof, wherein the holder means includes a plurality of thin, substantially C-shaped lever members, each lever member having first and second arm portions, and each arm portion having a distal end; pivot means, disposed within the housing, for pivotally moving the holder means into and out of the housing; lock means for locking the holder means in the housing; and detent means, operatively connected to the C-shaped lever members for positioning the C-shaped lever members in an open position and a closed position, wherein the detent means includes a spring detent having a plurality of spring arms snapped nnto engagement with the plurality of C-shaped lever members, the spring arms being separately and independently movable into engagement with corresponding C-shaped lever members for positioning the individual C-shaped lever member in its open position or its closed position. ### Claim 32 (depends on 31) An apparatus according to claim 31, wherein the spring arms provide means for preventing pivotal movement of one lever member from transferring to any one of the remaining lever members. ### Claim 33 (depends on 31) An apparatus according to claim 31, wherein the spring detent is a one-piece member formed of a flexible plastic material. ### Claim 34 (depends on 31) An apparatus according to claim 31, wherein each C-sahped lever member has a back portion, and first and second arm positions which are flexible radially outwardly to receive the disc-shaped recording media and wherein the lever member is arcuately shaped at the corner of the back and first arm portions, the arcuately shaped corner including first and second recesses and the plurality of spring arms snapping individually into engagement with the first and second recesses as each C-shaped lever member pivots to the open and closed positions. ### Claim 35 (depends on 34) An apparatus according to claim 34, wherein the plurality of spring arms are interconnected through a base connected to the housing, each spring arm having a headed distal end movable independently of each other into engagement with the recesses provided in the plurality of C-sahped lever members. ### Claim 36 (depends on 35) An apparatus according to claim 35, wherein the base and the plurality of spring arms comprise a one-piece member integrally formed of flexible plastic material.