Cassette type three head tape recorder

Claim 2

A cassette type three head tape recorder comprising a cassette having a tape extending along the small front openings in the cassette and wound between a pair of reels therein, capstan means removably received in said cassette and disposed behind said tape, head means including a reproducing head, at least one recording head and at least one erasing head, said erasing head disposed upstream of said associated recording head, said head means adapted to advance toward and withdraw from said cassette, and at least one pinch roller adapted to move together with said head means, said small front openings each substantially receiving one of said heads and said pinch roller, characterized by that said erasing head is arranged by, the side of said pinch roller and concaved at the wall facing to said pinch roller is closely adjacent to and spaced from said erasing head whereby said erasing head together with said pinch roller extends through one of said small front openings in said cassette when said head means and said pinch roller advance toward said cassette.

Claim 3

A cassette type tape recorder as set forth in claim 1, further comprising a frame arranged movable toward and away from said cassette and wherein said erasing head and said pinch roller are mounted on said frame.

Claim 4

A cassette type tape recorder as set forth in claim 1, and wherein said erAsing head and said pinch roller are individually arranged in a closely spaced manner.

Claim 5

A cassette type tape recorder as set forth in claim 2, further comprising a head mounting plate movable toward and away from said cassette and wherein said frame is mounted on said head mounting plate.

Claim 6

A cassette type tape recorder as set forth in claim 2, further comprising a head mounting plate movable toward and away from said cassette and wherein said frame is pivotally and resiliently mounted on said head mounting plate so that said erasing head and said pinch roller are urged to engage said tape and said capstan means, respectively.

Claim 7

A cassette type tape recorder as set forth in claim 1, further comprising a head mounting plate movable toward and away from said cassette and wherein said erasing head is secured to said head mounting plate and said pinch roller is mounted on a frame pivotally and resiliently mounted on said head mounting plate so that said pinch roller is urged to engage said capstan means.

Claim 8

A cassette type reversibly playing three head tape recorder comprising a cassette having a tape extending along the small front openings in said cassette and wound between a pair of reels therein, a pair of capstans removably received in said cassette and disposed behind said tape, head means including a reproducing head, a pair of recording heads and a pair of erasing heads, said erasing heads each disposed upstream of the associated one of said recording heads, said head means adapted to advance toward and withdraw from said cassette, and a pair of pinch rollers adapted to move together with said head means, said small front openings each substantially receiving one of said heads and said pinch rollers, characterized by that said erasing heads are arranged by the side of said pinch rollers, respectively and concaved at the walls facing to said respective pinch rollers so that said pinch rollers are closely adjacent to and spaced from said respective erasing heads whereby said erasing heads together with said respective pinch rollers extend through respective ones of said small front openings in said cassette when said head means and said pinch rollers advance toward said cassette.

Claim 9

A cassette type reversibly playing three head tape recorder comprising a cassette having a tape extending along the small front openings in said cassette and wound between a pair of reels therein, a pair of capstans removably received in said cassette and disposed behind said tape, head means including a reproducing head, a pair of recording heads and a pair of erasing heads, said erasing heads each disposed upstream of the associated one of said recording heads, said head means adapted to advance toward and withdraw from said cassette, and a pair of pinch rollers adapted to move together with said head means, said small front openings each substantially receiving one of said heads and said pinch rollers, characterized by that said erasing heads are arranged by the side of said pinch rollers, respectively and concaved at the walls facing to said respective pinch rollers so that said pinch rollers are closely adjacent to and spaced from said respective erasing heads whereby said erasing heads together with said respective pinch rollers extend through respective ones of said small front openings in said cassette when said head means and said pinch rollers advance toward said cassette.

Claim 10

A cassette type tape recorder as set forth in claim 7, further comprising frames arranged movable toward and away from said cassette and wherein said erasing heads and said pinch rollers are mounted on said frames, respectively.

Claim 11

A cassette type tape recorder as set forth in claim 7, and wherein said erasing heads and said pinch rollers are individually arranged in a closely spaced manner.

Claim 12

Erasing head in use with a pinch roller for a cassette type three head tape recorder, said erasing head having a concaved side facing to said pinch roller whereby said erasing head can be closely spaced from said pinch roller.

Claim 13

Erasing head in use with a pinch roller for a cassette type three head tape recorder, said erasing head having a concaved side facing to said pinch roller whereby said erasing head can be closely spaced from said pinch roller.