← Back to Patent Explorer
US4098068A Expired / Lapsed US ⏱️ 0.0 years remaining

Cuckoo clock

Assignee: Individual
•
Filing: 1977-03-14
•
Granted: 1978-07-04
•
Expires: 1997-03-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract In a cuckoo clock including a timing mechanism and a whistle means for tolling a time, a bird-displaying mechanism comprises- a clock housing having an aperture in the front wall thereof; door means pivotally mounted on the front wall adjacent the aperture; a bird movable into and out of the aperture and having movable wings; plate means pivotally supporting the bird; guiding means having a guiding base slidably supporting the plate means; driving means for driving the guiding means; control means for controlling the driving means in time to a tolling signal from the timing mechanism; spreading means including a rotation lever pivotally mounted on the plate means for spreading the wings when the plate means travels along the guiding base by a predetermined distance in response to the tolling signal.

Inventors

  • 👤 Isao Masuyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:02
CPC Classifications
G; G04; G04B; G04B25/00; G04B25/06

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 131 words
In a cuckoo clock including a clock mechanism and a whistle means for tolling a time, a bird-displaying mechanism comprising: a clock housing having an aperture in the front wall thereof; door means pivotally mounted on said front wall adjacent said aperture; a bird movable into and out of said aperture and having movable wings; plate means pivotally supporting said bird; guiding means having a guiding base slidably supporting said plate means; driving means for driving said guiding means; control means for controlling said driving means in time to a tolling signal from said clock mechanism; spreading means including a rotation lever pivotally mounted on said plate means for spreading said wings when said plate means travels along said guiding base by a predetermined distance in response to said tolling signal.
Claim 2
Dependent Claim 131 words
In a cuckoo clock including a clock mechanism and a whistle means for tolling a time, a bird-displaying mechanism comprising: a clock housing having an aperture in the front wall thereof; door means pivotally mounted on said front wall adjacent said aperture; a bird movable into and out of said aperture and having movable wings; plate means pivotally supporting said bird; guiding means having a guiding base slidably supporting said plate means; driving means for driving said guiding means; control means for controlling said driving means in time to a tolling signal from said clock mechanism; spreading means including a rotation lever pivotally mounted on said plate means for spreading said wings when said plate means travels along said guiding base by a predetermined distance in response to said tolling signal.
Claim 3
Dependent Claim 20 words
A bird-displaying mechanism as claimed in claim 1 wherein said driving means includes at least one weight utilizing the gravity.
Claim 4
Dependent Claim 16 words
A bird-displaying mechanism as claimed in claim 1 wherein said driving means includes an electric motor.
Claim 5
Dependent Claim 32 words
A bird-displaying mechanism as claimed in claim 1 wherein said rotation lever has an anti-rotation arm for preventing rotation of said rotation lever until said plate means travels by a predetermined distance.
Claim 6
Dependent Claim 22 words
A bird-displaying mechanism as claimed in claim 1 wherein said guiding base has an opening a predetermined distance from one end thereof.
Claim 7
Dependent Claim 23 words
A bird-displaying mechanism as claimed in claim 5 wherein said guiding base has a roller pivotally mounted on the edge of said opening.
Claim 8
Dependent Claim 21 words
A bird-displaying mechanism as claimed in claim 1 wherein at least the central portions of said wings are made of paper.
Claim 9
Dependent Claim 49 words
A bird-displaying mechanism as claimed in claim 1 which further comprises flapping means attached at one end to the tail of said bird and engaging at the other end thereof a bellow member of said whistle means for flapping said wings in time to movement of said bellow member.

References Cited (Backward Citations)

US1041177A Cited
US2054677A Cited
US2097818A Cited
US3918249A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-07-03 1982-01-02 1982-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-07-03 1986-01-02 1986-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-07-03 1990-01-02 1990-07-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag