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—
JurisdictionUS
Data Sourcegoogle_patents
Last Synchronized2026-11-02 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.