Patent ID: 7165738

Claim:
A recording media cartridge comprising: a case body provided with an upper half and a lower half coupled with each other in a face-to-face relationship; a reel which is rotatably received in said case body and around which a recording medium is wound; a plate type reel presser spring having two end portions thereof, wherein said reel presser spring is supported on an inner surface of said upper half at only a proximal end portion and a distal end portion of said reel presser spring is operable to urge said reel toward said lower half; and a presser spring anchor portion formed on said inner surface, the presser spring anchor portion being operable to receive said reel presser spring, and wherein said reel presser spring is anchored in said presser spring anchor portion, wherein said presser spring anchor portion has an implanted portion implanted in said inner surface of said upper half so as to project from said inner surface of said upper half and an overhanging portion overhanging said inner surface by projecting from a distal end portion of said implanted portion so as to be parallel with said inner surface, wherein said reel presser spring comprising: a U-shaped insertion anchor portion being said proximal end portion, said U-shaped insertion anchor portion comprising a support piece portion directly contacting said inner surface of said upper half facing said overhanging portion of said presser spring anchor portion and an open piece portion being parallel to said support piece portion and brought into elastic contact with said overhanging portion; and an elastic tongue portion forming said distal end portion, said elastic tongue portion extending directly from an end of said support piece portion of said U-shaped insertion anchor portion and inclined to a side of said open piece portion, wherein said U-shaped insertion anchor portion of said reel presser spring is inserted into and anchored in a space defined between said inner surface of said upper half and said overhanging portion, and wherein said reel presser spring is detachably mounted on the inner surface of said upper half so that said reel presser spring can be detached from the cartridge without damaging said case body, said reel presser spring and components of said recording media cartridge.