Patent US3589735A successfully refreshed from Google Patents.
US3589735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy phonograph
Assignee: Individual
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Filing: 1968-12-18
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Granted: 1971-06-29
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Expires: 1988-12-18
Abstract
Abstract A toy phonograph having a rotatable turntable with a lifting cam in the center of the turntable onto which a pivoted lifting arm travels at the end of a play of record to lift up a hinged overchanging loudspeaker to free a pivoted tone arm to return to the periphery of the turntable and also having a pressing mechanism to press the loudspeaker against the tone arm while playing.
Inventors
- 👤 Katsumi Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:33
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
203 words
A toy phonograph comprising a base, a rotatable turntable on said base, a pickup arm pivoted at one end, a first spring, said arm being constantly placed under a force of said first spring which urges said pickup toward the periphery of the turntable, a lift bar with a free end and a pivoted end in releasable engagement with the pickup and which lift bar has a bevel formed at the bottom of the free end and a guide protuberance provided near its free end, a second spring, said lift bar being constantly placed under force of said second spring which urges it towards the periphery of the turntable, a hoisting mechanism which rotates together with said turntable and has a substantially trapezoidal-shaped lobe extended upwardly with respect to the center of the turntable, with the free end of said lift bar mechanism being hooked at a predetermined position around said lobe to be thereby hoisted by the lobe, and a pressing mechanism with ends on said base, a speaker in said pressing mechanism and a free end, having its base ends hingedly pivoted and its free end placed on the free end of the pickup so as to suitably press it down.
Claim 2
Dependent Claim
203 words
A toy phonograph comprising a base, a rotatable turntable on said base, a pickup arm pivoted at one end, a first spring, said arm being constantly placed under a force of said first spring which urges said pickup toward the periphery of the turntable, a lift bar with a free end and a pivoted end in releasable engagement with the pickup and which lift bar has a bevel formed at the bottom of the free end and a guide protuberance provided near its free end, a second spring, said lift bar being constantly placed under force of said second spring which urges it towards the periphery of the turntable, a hoisting mechanism which rotates together with said turntable and has a substantially trapezoidal-shaped lobe extended upwardly with respect to the center of the turntable, with the free end of said lift bar mechanism being hooked at a predetermined position around said lobe to be thereby hoisted by the lobe, and a pressing mechanism with ends on said base, a speaker in said pressing mechanism and a free end, having its base ends hingedly pivoted and its free end placed on the free end of the pickup so as to suitably press it down.
Claim 3
Dependent Claim
69 words
In a device according to claim 1, a lift bar which is characterized in that it is pivoted at one end, that a spring constantly forces said bar toward the periphery of the rotary disc, that a slope is formed on the bottom side of free end of said bar, said slope corresponding oppositely to a bevel of said lobe, and a projected guide portion at its free end.
Claim 4
Dependent Claim
28 words
In a device according to the claim 1, a lobe extended involutely or eccentrically with respect to the center of the turntable, with both sides thereof being sloped.
Claim 5
Dependent Claim
25 words
In a device according to the claim 1, a stop to locate said lift bar in a starting position at the periphery of the turntable.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |