发明名称 Video cassette pressure flap
摘要 A pressure flap for eliminating slack in a tape cassette. The pressure flap includes a body portion having a tape contact edge at a first end thereof, and a fold line at a second end thereof. The body portion is bowed along a line extending generally parallel to the fold line. The pressure flap also includes a folded portion extending contiguously from the fold line of the body portion at a predetermined angle. The body portion includes a pair of opposed lateral edges secured to a pair of opposed sides of the folded portion. In a preferred embodiment, the pressure flap is fabricated from carbon-filled, high-density polyethylene, and the opposed sides of the folded portion are fused to the lateral edges of the body portion during fabrication of the pressure flap.
申请公布号 US5390063(A) 申请公布日期 1995.02.14
申请号 US19910671369 申请日期 1991.03.19
申请人 PLITEK CORPORATION 发明人 BERG, MICHAEL J.;CIOCHON, RICHARD J.;MCGEE, JEROME T.
分类号 G11B23/02;(IPC1-7):G11B23/02 主分类号 G11B23/02
代理机构 代理人
主权项
地址