US4225893A — Cleaner for a playing head of a cassette player

Claim 1

Independent Claim 262 words

A cleaner for a playing head of a cassette player having a sprocket drive and having a recess able to receive a cassette tape in a playing position, the cleaner comprising: a hollow container dimensioned to be retainable within the recess; a hollow post within the container, positioned to permit the sprocket drive of the player to enter the interior of the container; a generally circular cam positioned on the post and rotatable thereon; drive means on the cam to engage the sprocket drive of the cassette player; an opening in one side of the container; a lever pivotally located within the container to be reciprocable by the cam; means at one end of the lever to receive cleaning means for the playing head of the cassette player, the cleaning means being able to project from the opening in the container to contact and clean the playing head when the cleaner is retained within the recess; means for continuously engaging the lever and the cam comprising a generally circular peripheral groove on the cam and a pin on the lever for following the groove; and means for cleaning a capstan and a pinch roller of the cassette player comprising a felt cleaning pad secured to the housing at one end and a leaf spring having one end secured to the housing near one side thereof, the leaf spring having a forwardly curved portion near an end opposite the one end, the curved portion of the spring biasing a middle portion of the pad forwardly to bear against the capstan and pinch roller.

Claim 2

Dependent Claim 262 words

A cleaner for a playing head of a cassette player having a sprocket drive and having a recess able to receive a cassette tape in a playing position, the cleaner comprising: a hollow container dimensioned to be retainable within the recess; a hollow post within the container, positioned to permit the sprocket drive of the player to enter the interior of the container; a generally circular cam positioned on the post and rotatable thereon; drive means on the cam to engage the sprocket drive of the cassette player; an opening in one side of the container; a lever pivotally located within the container to be reciprocable by the cam; means at one end of the lever to receive cleaning means for the playing head of the cassette player, the cleaning means being able to project from the opening in the container to contact and clean the playing head when the cleaner is retained within the recess; means for continuously engaging the lever and the cam comprising a generally circular peripheral groove on the cam and a pin on the lever for following the groove; and means for cleaning a capstan and a pinch roller of the cassette player comprising a felt cleaning pad secured to the housing at one end and a leaf spring having one end secured to the housing near one side thereof, the leaf spring having a forwardly curved portion near an end opposite the one end, the curved portion of the spring biasing a middle portion of the pad forwardly to bear against the capstan and pinch roller.

Claim 3

Dependent Claim 55 words

A cleaner as claimed in claim 1, the container having a front wall and two front corners, the means for cleaning the capstan and pinch roller being near one said corner, the one end of the leaf spring being secured to the container adjacent the one corner and extending generally parallel to the front wall.

Claim 4

Dependent Claim 25 words

A cleaner as claimed in claim 2, the felt pad being located adjacent an opening in the front wall and forwardly of the leaf spring.

Claim 5

Dependent Claim 30 words

A cleaner as claimed in claim 3, the one end of the felt pad being located inwardly of the container with respect to the opposite end of the leaf spring.

Claim 6

Dependent Claim 24 words

A cleaner as claimed in claim 4, the one end of the felt pad being secured by a U-shaped retainer mounted on the container.

Claim 7

Dependent Claim 16 words

A cleaner as claimed in claim 5, the one end of the leaf spring being hook-shaped.

Claim 8

Dependent Claim 27 words

A cleaner as claimed in claim 6, the one end of the leaf spring being secured between the one corner of the container and a locating member.

Claim 9

Dependent Claim 32 words

A cleaner as claimed in claim 7, the end of the felt pad opposite the one end being between the one corner of the container and the opening in the front wall.

Claim 10

Dependent Claim 24 words

A cleaner as claimed in claim 8, comprising a stop member connected to the container and abutting said opposite end of the felt pad.

Claim 11

Independent Claim 175 words

A device for cleaning a capstan and pinch roller of a cassette player which has a recess able to receive a cassette tape in a playing position, said device comprising: a. a container adapted to be retainable within the recess; b. a first cleaning portion mounted in said container so that, with said container positioned in the recess, said first cleaning portion is located adjacent said capstan and in cleaning engagement with said capstan; c. a second cleaning portion mounted in said container so that, when said container is positioned in said recess, said second cleaning portion is located adjacent said pinch roller, said second cleaning portion being movably mounted for movement toward and away from said pinch roller; and d. spring means arranged to yieldingly urge said second cleaning portion towards said pinch roller and into cleaning engagement with the pinch roller, with said spring means yielding sufficiently to permit said cleaning portion to be positioned at various cleaning locations to accommodate variations in size and position of pinch rollers of various cassette players.

Claim 12

Independent Claim 175 words

A device for cleaning a capstan and pinch roller of a cassette player which has a recess able to receive a cassette tape in a playing position, said device comprising: a. a container adapted to be retainable within the recess; b. a first cleaning portion mounted in said container so that, with said container positioned in the recess, said first cleaning portion is located adjacent said capstan and in cleaning engagement with said capstan; c. a second cleaning portion mounted in said container so that, when said container is positioned in said recess, said second cleaning portion is located adjacent said pinch roller, said second cleaning portion being movably mounted for movement toward and away from said pinch roller; and d. spring means arranged to yieldingly urge said second cleaning portion towards said pinch roller and into cleaning engagement with the pinch roller, with said spring means yielding sufficiently to permit said cleaning portion to be positioned at various cleaning locations to accommodate variations in size and position of pinch rollers of various cassette players.

Claim 13

Dependent Claim 157 words

The cleaning device as recited in claim 10, wherein: a. said first and second cleaning portions comprise a pad having first and second ends; b. said device further comprises a first locating means engaging the first end of the pad at a first position, and a second locating member to engage the second end of the pad at a second position; c. said first cleaning portion comprises a first portion of said pad positioned more closely to said first retaining member, so that, with said second pad portion being located at different positions to accommodate pinch rollers of various sizes and positions, said first pad portion is able to be maintained in cleaning contact with said capstan; and d. said second cleaning portion comprises a second portion of said pad, which second pad portion is spaced a sufficient distance from said locating members to permit movement of second pad portion toward and away from said pinch roller.

Claim 14

Dependent Claim 62 words

The device as recited in claim 11, wherein said container has a bottom wall having a bottom opening to receive said capstan, said first pad portion extending at least partially over said bottom opening so that, when said container is placed in said recess, said capstan is moved upwardly through said bottom opening to press in cleaning engagement against said pad portion.

Claim 15

Dependent Claim 50 words

The device as recited in any of claim 11, 12 or 13, wherein said spring means comprises a leaf spring having a root end mounted at a stationary location in said container, and a spring end engaging said second pad portion to urge said second pad portion toward the capstan.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1983-09-30	1984-03-31	1984-09-30	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1987-09-30	1988-03-31	1988-09-30	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1991-09-30	1992-03-31	1992-09-30	$7700.00	Window Closed / Lapsed

Cleaner for a playing head of a cassette player

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