Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
99 words
A tape cassette comprising; a reel (12, 13) having a tape (14) wound thereon, a housing (11) for containing said reel therein, said housing (11) having an opening (15) permitting the passage of said tape (14) therethrough, characterized in a lid (20) pivoted on said housing (11) for movement between a closed position covering said opening (15) and an opened position exposing said opening (15), a pivotal connection of said lid (20) with said housing (11) comprising a pair of pins (21, 22) and a pair of arcuated grooves (23, 24) receiving said pair of pins (21, 22) respectively.
Claim 2
Dependent Claim
99 words
A tape cassette comprising; a reel (12, 13) having a tape (14) wound thereon, a housing (11) for containing said reel therein, said housing (11) having an opening (15) permitting the passage of said tape (14) therethrough, characterized in a lid (20) pivoted on said housing (11) for movement between a closed position covering said opening (15) and an opened position exposing said opening (15), a pivotal connection of said lid (20) with said housing (11) comprising a pair of pins (21, 22) and a pair of arcuated grooves (23, 24) receiving said pair of pins (21, 22) respectively.
Claim 3
Dependent Claim
54 words
A tape cassette according to claim 1, characterized in that said pair of pins (21, 22) are respectively formed on ear portions (20a, 20b) which is directed rearwardly from opposite ends of said lid (20) and said pair of arcuated grooves (23, 24) are respectively formed on side walls (11d) of said housing (11).
Claim 4
Dependent Claim
96 words
A tape cassette according to claim 1 or 2, characterized in that said pair of arcuated grooves (23, 24) are formed such that during movement of said lid (20) from said closed position to said opened position one (22) of said pair of pins (21, 22) is rotated on another (21) of said pair of pins (21, 22) as rotating center and during further movement of said lid (20) said another (21) of the pair of axis pins (21, 22) is rotated on said one (22) of the pair of pins (21, 22) as rotating center.
Claim 5
Dependent Claim
53 words
A tape cassette according to claim 2 or 3, characterized in that said pivotal connection further comprises a spring (30) mounted on a fixed pin (32) which is formed on said side wall (11d) of the housing (11), free ends (30',30") of said spring (30) engaging with said pair of pins (21b, 22b).
Claim 6
Dependent Claim
67 words
A tape cassette according to claim 2 or 3, characterized in that said pivotal connection further comprises a spring (31) mounted on one (21b) of said pair of pins (21b, 22b), free ends (31', 31") of said spring (31) engaging with another (22b) of said pair of pins (21b, 22b) and a fixed pin (33) which is formed on said side wall (11d) of the housing (11).