Magnetic tape cartridge with magnetic tape leader pin which is removably held by pin holding member
AssigneeFuji Photo Film Co., Ltd.
InventorsKiyoo Morita, Daisuke Takahashi, Hideaki Shiga
Life of this patent
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Abstract
A magnetic tape cartridge includes a cartridge casing formed by upper and lower casing halves and a single reel around which a magnetic tape with a leader pin fixed to its leading end is wound and which is contained in the cartridge casing for rotation. A spring member removably holds upper and lower end portions of the leader pin on the cartridge casing. The spring member includes upper and lower holding portions which are respectively brought into abutment against the upper and lower end portions of the leader pin and are connected to each other.
Claims6
A magnetic tape cartridge comprising a cartridge casing, and a single reel around which a magnetic tape with a leader pin fixed to the leading end thereof is wound and which is contained in the cartridge casing for rotation,
- wherein the improvement comprises a pin holding member which is supported for rotation on a shaft and is rotatable between a first position where the leader pin is permitted to be removed from the cartridge casing and a second position where the pin holding member is in abutment with the leader pin and holds the leader pin in a predetermined position, the pin holding member being rotated from the first position to the second position when the leader pin is retracted into the cartridge casing, and the pin holding member being rotated from the second position to the first position by the leader pin when the leader pin is withdrawn from the cartridge casing.
A magnetic tape cartridge comprising a cartridge casing, and a single reel around which a magnetic tape with a leader pin fixed to the leading end thereof is wound and which is contained in the cartridge casing for rotation,
- wherein the improvement comprises a pin holding member which is rotatable between a first position where the leader pin is permitted to be removed from the cartridge casing and a second position where the pin holding member is in abutment with the leader pin and holds the leader pin in a predetermined position, the pin holding member being rotated from the first position to the second position when the leader pin is retracted into the cartridge casing, and the pin holding member being rotated from the second position to the first position by the leader pin when the leader pin is withdrawn from the cartridge casing,
- wherein the pin holding member comprises an L-shaped lever having a straight first arm and an arcuate second arm and is supported for rotation on a shaft between the first position and the second position.
Dependencies are inferred from the claim text.