Cassette for recording medium专利检索-抓钩装置林业机械与工程专利检索查询-专利查询网

Cassette for recording medium

阅读：341发布：2023-03-09

专利汇可以提供Cassette for recording medium专利检索，专利查询，专利分析的服务。并且A cassette for storing a recording medium which may be selectively extracted from and returned to the cassette. An eyelet is attached to a leader of the recording medium for providing a means to grasp the recording medium and extract it from the cassette. A spring-biased latch arm clutches the eyelet and retains it in its home position when the cassette is not in position on an associated tape deck. When tape is extracted from the cassette, the latch arm pivots and an extension of the latch arm enters an aperture in the frame of the tape deck to inhibit removal of the cassette from the deck. The tape deck includes first and second sensors for sensing the presence or absence of first or second apertures in the cassette. One or more of the cassette apertures may be selectively blocked to provide information to the associated equipment indicative of selected characteristics of the cassette and/or of the recording medium contained therein. In addition to providing a latching function, the latch arm, in the pivoted position, may operate a switch indicative of the fact that recording medium has been extracted from the cassette.，下面是Cassette for recording medium专利的具体信息内容。

权利要求

1. A cassette bounded by a top and bottom and connecting sides for the storage of a flexible medium attached to and wound on a hub rotationally supported by said cassette, an opening in one of the sides of said cassette for permitting the egress of said medium in response to the application of a longitudinal force to the leading end of said medium, and the ingress of said medium in response to the power driven rotation of said hub, an eyelet coupled to the leading end of said medium and larger than said opening for preventing the ingress of said leading end of said medium through said opening, a pivotally supported latch arm coupled to said cassette and having one side of said latch arm forming one side of said opening, and another side of said latch arm forming a portion of one of said sides of said cassette, and spring bias means for biasing said latch arm to clutch said eyelet between said latch arm and an opposing portion of said cassette, and for pivoting said latch arm in response to the withdrawal of said eyelet from its clutched position, and wherein at least a portion of said latch arm extends outside the original boundary of the sides of said cassette.

2. The combination as set forth in claim 1 and including a deck on which said cassette may be placed, said deck and said cassette including cooperating indicia for restricting the orientation of said cassette to a single position, a first aperture in said cassette, a first sensor oN said deck for sensing said aperture when said cassette is oriented on said deck in said single position.

3. The combination as set forth in claim 2 and including blocking means for closing said aperture.

4. The combination as set forth in claim 3 and including: a second aperture in said cassette, and a second sensor on said deck for sensing said second aperture when said cassette is oriented on said deck in said single position.

5. The combination as set forth in claim 4 wherein said first aperture means is normally closed by said blocking means whereby first actuating means are provided for actuating said first sensing means by said blocking means to provide an indication that said cassette has been positioned in said single position.

6. The combination as set forth in claim 5 wherein said second aperture may be selectively closed by second blocking means whereby second actuating means are provided for actuating said second sensing means by said second blocking means to provide an indication of a first or second characteristic of said cassette when said second aperture is and is not blocked, respectively.

7. The combination as set forth in claim 1 and including a deck on which said cassette may be placed, said deck and said cassette including cooperating indicia for restricting the orientation of said cassette to a single position, aperture means included in said deck into which a portion of said latch arm pivots when said latch arms pivots in response to the urging of said spring bias means after the withdrawal of said eyelet from its said clutched position.

8. The combination as set forth in claim 7 wherein said aperture means in said deck and said latch arm cooperate when said latch arm is pivoted into said aperture in said deck to produce latching means for latching said cassette in said single position and to inhibit the removal of said cassette from said single position.

9. The combination as set forth in claim 7 wherein said deck includes: a. medium withdrawal means for grasping said eyelet and applying a longitudinal force to withdraw said medium from said cassette, and b. selectively controlled power means for rotating said hub to wind said medium onto said hub.

说明书全文

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Cassette for recording medium

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