Patent US3753836A successfully refreshed from Google Patents.
US3753836A
Expired / Lapsed
US
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Stamp applying head
Assignee: Designed Mailing Accessories Inc
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Filing: 1971-08-10
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Granted: 1973-08-21
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Expires: 1991-08-10
Abstract
Abstract For high-speed application of postage stamps to letters, a spindle to hold the roll of postage stamps, guide rollers to guide a strip of stamps from the roller, a slitter to cut each stamp individually at its perforations from the strip and vacuum means for securing the loose stamp, moistening or applying glue to the stamp and securing the stamp to a moving mail piece. The vacuum means includes a vacuum wheel having a vacuum port at its circumference and connecting holes leading to the side of the vacuum wheel, a non-rotating valve plate against the side of the vacuum wheel alternately admitting and blocking vacuum to the vacuum port and a source of constant vacuum.
Inventors
- 👤 R Buckholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:02
CPC Classifications
B; B65; B65C; B65C9/00; B65C9/20; B65C9/22; B65C9/2247; B65C9/2256; B65C9/226; B65C9/08; B65C9/18; B65C9/1803; B65C9/1815; B65C9/1819; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/1339; Y10T156/137; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1768; Y10T156/1771; Y10T156/1798
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
90 words
A stamp applying head, comprising: a. guide means for a strip of stamps, said guide means comprising: i. a sprocket wheel; ii. a guide for guiding the stamps from said sprocket wheel to said knife means; and iii. pulleys to conduct the strip of stamps from a coil of stamps to said sprocket wheel; b. knife means for slitting individual stamps from the strip; and c. vacuum wheel means for conducting the slit stamp from said knife means to the place of application of the stamp to a mailing piece.
Claim 2
Dependent Claim
90 words
A stamp applying head, comprising: a. guide means for a strip of stamps, said guide means comprising: i. a sprocket wheel; ii. a guide for guiding the stamps from said sprocket wheel to said knife means; and iii. pulleys to conduct the strip of stamps from a coil of stamps to said sprocket wheel; b. knife means for slitting individual stamps from the strip; and c. vacuum wheel means for conducting the slit stamp from said knife means to the place of application of the stamp to a mailing piece.
Claim 3
Dependent Claim
60 words
A stamp applying head in accordance with claim 1, wherein said knife means comprises: a. a hinged knife bed including a knife; b. a cam; and c. follower means for said cam and mounted on said knife bed whereby the contour of the cam determines the position of the knife in relation to the strip of stamps to be cut.
Claim 4
Dependent Claim
21 words
A stamp applying head in accordance with claim 2 wherein: said follower means and knife bed are spring-urged toward said cam.
Claim 5
Dependent Claim
83 words
The stamp applying head in accordance with claim 4, wherein said vacuum wheel means comprises: a. a vacuum wheel, said vacuum wheel having at least one vacuum port on its circumference, an aperture on one side thereof and conduit means connecting said aperture to said vacuum port; and b. vacuum plate means, said vacuum plate means being situated adjacent said side of said vacuum wheel and extending radially beyond said aperture, said vacuum plate means being connected to a constant source of vacuum.
Claim 6
Dependent Claim
39 words
A stamp applying head in accordance with claim 4, wherein said vacuum plate means additionally comprises: at least one semi-circular groove, said semi-circular groove located at the same radial distance as said aperture and communicating with said vacuum source.
Claim 7
Dependent Claim
60 words
A stamp applying head in accordance with claim 1, wherein said knife means comprises: a. a hinged knife bed including a knife; b. a cam; and c. follower means for said cam and mounted on said knife bed whereby the contour of the cam determines the position of the knife in relation to the strip of stamps to be cut.
Claim 8
Dependent Claim
21 words
A stamp applying head in accordance with claim 6, wherein: said follower means and knife bed are spring-urged toward said cam.
Claim 9
Dependent Claim
35 words
A stamp applying head in accordance with claim 6, additionally comprising: gear means, said gear means connecting between said cam and said sprocket wheel whereby said cam and said sprocket wheel are synchronized in operation.
Claim 10
Dependent Claim
83 words
A stamp applying head in accordance with claim 6, wherein said vacuum wheel means comprises: a. a vacuum wheel, said vacuum wheel hAving at least one vacuum port on its circumference, an aperture on one side thereof and conduit means connecting said aperture to said vacuum port; and b. vacuum plate means, said vacuum plate means being situated adjacent said side of said vacuum wheel and extending radially beyond said aperture, said vacuum plate means being connected to a constant source of vacuum.
Claim 11
Dependent Claim
39 words
A stamp applying head in accordance with claim 9, wherein said vacuum plate means additionally comprises: at least one semi-circular groove, said semi-circular groove located at the same radial distance as said aperture and communicating with said vacuum source.
Claim 12
Dependent Claim
35 words
A stamp applying head in accordance with claim 9, additionally comprising: gear means, said gear means connecting between said cam and said sprocket wheel whereby said cam and said sprocket wheel are synchronized in operation.
Claim 13
Dependent Claim
83 words
A stamp applying head in accordance with claim 1, wherein said vacuum wheel means comprises: a. a vacuum wheel, said vacuum wheel having at least one vacuum port on its circumference, an aperture on one side thereof and conduit means connecting said aperture to said vacuum port; and b. vacuum plate means, said vacuum plate means being situated adjacent said side of said vacuum wheel and extending radially beyond said aperture, said vacuum plate means being connected to a constant source of vacuum.
Claim 14
Dependent Claim
39 words
A stamp applying head in accordance with claim 12, wherein said vacuum plate means additionally comprises: at least one semi-circular groove, said semi-circular groove located at the same radial distance as said aperture and communicating with said vacuum source.
Claim 15
Dependent Claim
83 words
A stamp applying head in accordance with claim 1, wherein said vacuum wheel means comprises: a. a vacuum wheel, said vacuum wheel having at least one vacuum port on its circumference, an aperture on one side thereof and conduit means connecting said aperture to said vacuum port; and b. vacuum plate means, said vacuum plate means being situated adjacent said side of said vacuum wheel and extending radially beyond said aperture, said vacuum plate means being connected to a constant source of vacuum.
Claim 16
Dependent Claim
39 words
A stamp applying head in accordance with claim 14, wherein said vacuum plate means additionally comprises: at least one semi-circular groove, said semi-circular groove located at the same radial distance as said aperture and communicating with said vacuum source.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |