US4018639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling a composite print wheel
Assignee: Xerox Corp
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Filing: 1975-10-15
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Granted: 1977-04-19
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Expires: 1995-10-15
Abstract
Abstract A method of assembling a composite print wheel comprising the steps of locating a hub member in an assembly fixture in a fixed predetermined position; locating an insert member, with character slugs attached, in the assembly fixture such that the print characters on the character slugs align with and fit into a respective molded likeness of a corresponding print character provided in the assembly fixture and then fastening the hub member and the insert member together.
Inventors
- 👤 Ernest L. Staples, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:43
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/22; B41J1/24; B41J1/28; B41J1/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49799
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
84 words
A method of assembling a composite print wheel comprising the steps of: locating a hub member in an assembly fixture in a fixed predetermined position, locating an insert member, with character slugs attached to outer ends of beams, in the assembly fixture in a fixed predetermined position such that print characters on the character slugs align with and fit into a respective molded likeness of a corresponding print character provided in the assembly fixture; and fastening the hub member and the insert member together.
Claim 2
Independent Claim
84 words
A method of assembling a composite print wheel comprising the steps of: locating a hub member in an assembly fixture in a fixed predetermined position, locating an insert member, with character slugs attached to outer ends of beams, in the assembly fixture in a fixed predetermined position such that print characters on the character slugs align with and fit into a respective molded likeness of a corresponding print character provided in the assembly fixture; and fastening the hub member and the insert member together.
Claim 3
Dependent Claim
93 words
The method of assembling the composite print wheel of claim 1 including the prior steps of: taking a master wheel containing a font of print characters located on character slugs positioned annularly about a central insert member which is fastened to a hub member, said hub member containing a rotation point of reference; and molding a likeness of the print characters of the master wheel, referenced to the rotation point on the hub of the master wheel, to provide a female mold of the likeness of the print characters in the assembly fixture.
Claim 4
Dependent Claim
29 words
The method of assembling the composite print wheel of claim 1 further including the step of fastening at least one damper ring member to beams of the insert member.
Claim 5
Dependent Claim
24 words
The method of assembling the composite print wheel of claim 1 further including the step of fastening a cap member to said hub member.
Claim 6
Dependent Claim
25 words
The method of assembling the composite print wheel of claim 1 wherein said hub member and said insert member are fastened together by ultrasonic staking.
Claim 7
Dependent Claim
30 words
The method of assembling the composite print wheel of claim 5 further including the step of supporting the beams and character slugs against foam material during the ultrasonic staking step.
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) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |