Patent EP0145051A2 successfully refreshed from Google Patents.
EP0145051A2
Expired / Lapsed
EP
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Disc holder for a rigid optically readable disc
Assignee: Koninklijke Philips NV
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Filing: 1984-11-05
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Granted: —
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Expires: 2004-11-05
Abstract
Abstract A disc holder (17; 139) for a rigid optically readable disc is intended for transferring a disc (15) to a turntable (6) of a disc-record player by means of a loading device (14). The disc holder (17; 139) comprises clamping means constituted by at least two clamping members (26; 143), which are each provided with at least one clamping element (26; 148), which members are situated near two opposite sides of the disc holder and which are each connected to a coupling member (83; 146) which can be coupled to the loading device (14). At the lower and the upper side of the disc holder the clamping members (26; 143) are each provided with an inner edge which is curved about the centre of a disc which is clamped in the disc holder. Between the inner edges of each clamping member two clamping walls (27, 28; 148a, 148b) of the clamping element (26; 148) are situated, which walls are disposed at an acute angle relative to each other. The coupling members (83; 146) and clamping elements (26; 148) can be moved away from each other and towards each other to release the disc (15) from the disc holder (17; 139) and to retain the disc, respectively.
Inventors
- 👤 Johannes Petrus C.M. Verhagen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 20:50
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/05; G11B17/053; G11B17/056; G11B23/00; G11B23/02; G11B23/03; G11B23/0301; G11B23/0313; G11B23/0316
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
200 words
A disc holder for a rigid optically readable disc, which holder is intended for transferring the disc to the turntable of a disc-record player by means of a loading device and which comprises clamping means for retaining the disc in the disc holder, which clamping means comprise at least two clamping elements which are situated near two opposite parallel sides of the disc holder and which are each connected to an associated coupling member which can be coupled to the loading device and the pairs, which each comprise a coupling element and an associated clamping member, can be moved away from each other to release the disc from the disc holder and towards each other and to retain the disc in said holder, characterized in that the clamping elements form part of two clamping members which are situated near opposite sides of the disc holder, which members at the lower and the upper side of the disc holder are each provided with an inner edge which is curved about the centre of a disc which is clamped in the disc holder, and mutually inclined clamping walls of the clamping element are situated between the inner edges of each clamping member.
Claim 2
Dependent Claim
200 words
A disc holder for a rigid optically readable disc, which holder is intended for transferring the disc to the turntable of a disc-record player by means of a loading device and which comprises clamping means for retaining the disc in the disc holder, which clamping means comprise at least two clamping elements which are situated near two opposite parallel sides of the disc holder and which are each connected to an associated coupling member which can be coupled to the loading device and the pairs, which each comprise a coupling element and an associated clamping member, can be moved away from each other to release the disc from the disc holder and towards each other and to retain the disc in said holder, characterized in that the clamping elements form part of two clamping members which are situated near opposite sides of the disc holder, which members at the lower and the upper side of the disc holder are each provided with an inner edge which is curved about the centre of a disc which is clamped in the disc holder, and mutually inclined clamping walls of the clamping element are situated between the inner edges of each clamping member.
Claim 3
Dependent Claim
35 words
A disc holder as claimed in Claim 1, characterized in that viewed in radial cross-section the clamping walls of the clamping elements are arranged in a V-shape relative to the centre of a clamped-in disc.
Claim 4
Dependent Claim
29 words
A disc holder as claimed in Claim 2, characterized in that the clamping walls of each clamping element are arranged in the same way as those of a yo-yo.
Claim 5
Dependent Claim
32 words
A disc holder as claimed in any one of the preceding Claims, characterized in that each clamping member conprises two mutually spaced clamping elements which are situated between the curved inner edges.
Claim 6
Dependent Claim
49 words
A disc holder as claimed in any one of the preceding claims, characterized in that the clamping members can be moved away from and towards each other by moving the coupling members in a direction which is at least substantially perpendicular to said parallel sides of the disc holder.
Claim 7
Dependent Claim
40 words
A disc holder as claimed in any one of the preceding Claims, characterized in that-the two clamping members are each arranged on an associated structural member, which structural members are coupled so as to be movable relative to each other.
Claim 8
Dependent Claim
42 words
A disc holder as claimed in Claim 6, characterized in that the two structural members each comprise a projecting sliding element , each sliding element on the relevant structural member engaging a recess in the other structural member to interconnect said members.
Claim 9
Dependent Claim
19 words
A disc holder as claimed in Claim 6 or 7, characterized in that the two structural members are identical.
Claim 10
Dependent Claim
47 words
A disc holder as claimed in any one of the Claims 6-8, characterized in that the structural members are each L-shaped, the short limbs being interconnected by the sliding elements so as to be movable relative to each other and the long limbs carrying the clamping elements.
Claim 11
Dependent Claim
29 words
A disc holder as claimed in any one of the Claims 6-8, characterized in that the structural members are interconnected by means of sliding elements on two facing sides.
Claim 12
Dependent Claim
20 words
A disc holder as claimed in Claim 6-8, characterized in that the structural members are pivotally connected to each other.
Claim 13
Dependent Claim
33 words
A disc holder as claimed in Claim 11, characterized in that the structural members are connected by a pivotal connection on a first side and by sliding elements on a second opposite side.
Claim 14
Dependent Claim
26 words
A disc holder as claimed in Claims 6-8, characterized in that the structural members are pivotally mounted on a fixed transverse member of the disc holder.
Claim 15
Dependent Claim
42 words
A disc holder as claimed in any one of the Claims 1 to 5, characterized in that the clamping members are constituted by two slides, which slides are slidably arranged near two opposite sides of a fixed frame of the disc holder.
Claim 16
Dependent Claim
34 words
A disc holder as claimed in Claim 14, characterized in that each slide comprises two interconnected plates situated on opposite sides of the frame, the edge portions of the plates constituting the clamping elements.
Claim 17
Dependent Claim
47 words
A disc holder as claimed in any one of the Claims 1-4, characterized in that the structural members are situated near two mutually parallel sides of a stationary frame of the disc holder so as to be slidable along said sides of the frame in opposite directions.
Claim 18
Dependent Claim
30 words
A disc holder as claimed in any on of the preceding Claims, characterized in that the holder is provided with resilient means which urge the clamping members towards each other.
References Cited (Backward Citations)
No citation records indexed.
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