Patent US3965791A successfully refreshed from Google Patents.
US3965791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stop tablet assembly
Assignee: GIBSON PIANO VENTURES Inc A DELAWARE Corp
•
Filing: 1974-06-19
•
Granted: 1976-06-29
•
Expires: 1994-06-19
Abstract
Abstract A molded plastic mounting base is provided for stop tablets on an organ or the like. Pivot shoulders are integrally molded on the mounting plate. Each stop tablet has complementary pivot recesses integrally molded therein. A single blade-type spring snapped on to depending structure on each stop tablet simultaneously operates as a retaining means for a respective stop tablet and as an overcenter biasing spring therefor.
Inventors
- 👤 Howard M. Thomas
- 👤 Richard A. Borowiec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:29
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/32; G10H1/34
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
104 words
In an electronic musical instrument, the combination comprising a stop tablet assembly including a base, means on said base for receiving a stop tablet and including pivotal mounting means, a stop tablet, pivot means on said stop tablet cooperable with said pivotal mounting means rockably to mount said stop tablet on said base, and spring means acting between said base and said stop tablet and engaging said stop tablet below said pivot means to simultaneously bias said stop tablet pivot means against said pivotal mounting means, secure said stop tablet to said base, and provide an overcentering action to rocking of said stop tablet.
Claim 2
Dependent Claim
104 words
In an electronic musical instrument, the combination comprising a stop tablet assembly including a base, means on said base for receiving a stop tablet and including pivotal mounting means, a stop tablet, pivot means on said stop tablet cooperable with said pivotal mounting means rockably to mount said stop tablet on said base, and spring means acting between said base and said stop tablet and engaging said stop tablet below said pivot means to simultaneously bias said stop tablet pivot means against said pivotal mounting means, secure said stop tablet to said base, and provide an overcentering action to rocking of said stop tablet.
Claim 3
Dependent Claim
37 words
The combination set forth in claim 1 wherein one of said pivotal mounting means and said pivot means comprises a convex surface and the other comprises a concave surface, and said spring means urge said surfaces together.
Claim 4
Dependent Claim
26 words
The combination set forth in claim 2 wherein said convex surface comprises a rounded shoulder and said concave surface comprises a recess having a rounded end.
Claim 5
Dependent Claim
36 words
The combination as set forth in claim 1 wherein said spring means comprises a blade spring trapped on one of said base and said stop tablet and bearing against a complementary part of the other thereof.
Claim 6
Dependent Claim
36 words
The combination as set forth in claim 2 wherein said spring means commprises a blade spring trapped on one of said base and said stop tablet and gearing against the complementary part of the other thereof.
Claim 7
Dependent Claim
36 words
The combination as set forth in claim 3 wherein said spring means comprises a blade spring trapped on one of said base and said stop tablet and bearing against the complementary part of the other thereof.
Claim 8
Dependent Claim
28 words
The combination as set forth in claim 4 wherein said blade spring has an intermediate deformation therein projecting toward the part against which it bears to produce overcentering.
Claim 9
Dependent Claim
72 words
The combination as set forth in claim 1 wherein the means on said base for receiving a stop tablet comprises an aperture therein, said pivotal mounting means comprising shoulders projecting into said recess opposite to one another, said pivot means comprising downwardly opening recess means in said stop tablet fitting over said shoulder means, said spring means biasing said stop tablet down resiliently to retain said recess means on said shoulder means.
Claim 10
Dependent Claim
36 words
The combination set forth in claim 8 wherein said recess means have diverging edges and wherein said shoulder means have depending side portions coacting with said edges as limit stops to rocking of said stop tablet.
Claim 11
Dependent Claim
47 words
The combination set forth in claim 9 wherein said stop tablet has depending projecting means thereon with fore and aft shoulder thereon, said spring means comprising a blade spring having an aperture therein received over said shoulders, and projecting means on said base engaging said blade spring.
Claim 12
Dependent Claim
105 words
In an electronic musical instrument, the combination comprising a stop tablet assembly including molded plastic base means having an aperture therein for receipt of a rockable stop tablet, a pair of integral molded aligned projections in said aperture and having rounded upper shoulder means forming pivot means, a stop tablet received in said aperture and having downwardly directed recess means on said shoulder means, and an overcentering spring acting between said stop tablet and said base means and engaging said stop tablet below said pivot means for securing said stop tablet to said base and resiliently biasing said recess means down against said shoulder means.
Claim 13
Dependent Claim
105 words
In an electronic musical instrument, the combination comprising a stop tablet assembly including molded plastic base means having an aperture therein for receipt of a rockable stop tablet, a pair of integral molded aligned projections in said aperture and having rounded upper shoulder means forming pivot means, a stop tablet received in said aperture and having downwardly directed recess means on said shoulder means, and an overcentering spring acting between said stop tablet and said base means and engaging said stop tablet below said pivot means for securing said stop tablet to said base and resiliently biasing said recess means down against said shoulder means.
Claim 14
Dependent Claim
44 words
The combination as set forth in claim 11 wherein said projections includes the side walls depending from said shoulder means, and wherein said recess means have diverging edges respectively engageable with said side walls to limit rocking of said stop tablet in either direction.
References Cited (Backward Citations)
US2816181A
Cited
US3246087A
Cited
US3342967A
Cited
US3403236A
Cited
US3617600A
Cited
US3576958A
Cited
US3580979A
Cited
US3708605A
Cited
US3705254A
Cited
US3745874A
Cited
US3746820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |