US4194847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locating and maintaining a hub member on a shaft
Assignee: NCR Voyix Corp
•
Filing: 1978-05-01
•
Granted: 1980-03-25
•
Expires: 1998-05-01
Abstract
Abstract A drive member in a printer is radially oriented and linearly positioned in the fastening thereof on a shaft at one of a plurality of selected positions. The shaft has a flat portion which receives a hub of the drive member, the hub conforming in shape with the shaft and having a tongue portion thereof fitting along the flat portion of the shaft with the tongue portion being flexibly supported and having a lip engageable with grooves or slots in and across the flat portion of the shaft.
Inventors
- 👤 Michael O. Grey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:56
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0852; F16D1/0858; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/606; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
140 words
In a business machine having a drive shaft, a driving element and a driven element on said shaft, means for radially orienting and selectively positioning said driving element along said shaft comprising a shaft portion having a reduced radius surface on an arc of said shaft to provide a shaped portion, a hub member integral with said driving element and extending along said shaft portion in like shaped form, a hub member portion separated from said hub member along the length of the hub member portion on either side thereof for a distance along said shaft portion and normally biased for engagement with said shaft portion, a plurality of transverse slots in the surface of said shaft portion, and a lip portion on said hub member portion for automatic engagement with a selected one of said slots when aligned therewith.
Claim 2
Dependent Claim
140 words
In a business machine having a drive shaft, a driving element and a driven element on said shaft, means for radially orienting and selectively positioning said driving element along said shaft comprising a shaft portion having a reduced radius surface on an arc of said shaft to provide a shaped portion, a hub member integral with said driving element and extending along said shaft portion in like shaped form, a hub member portion separated from said hub member along the length of the hub member portion on either side thereof for a distance along said shaft portion and normally biased for engagement with said shaft portion, a plurality of transverse slots in the surface of said shaft portion, and a lip portion on said hub member portion for automatic engagement with a selected one of said slots when aligned therewith.
Claim 3
Dependent Claim
18 words
In the machine of claim 1 wherein said shaft portion comprises a flat surface portion along said shaft.
Claim 4
Dependent Claim
22 words
In the machine of claim 1 wherein said hub member portion comprises a flatted tongue portion fitting on said reduced radius surface.
Claim 5
Dependent Claim
37 words
In the machine of claim 1 wherein said plurality of slots are spaced in predetermined manner along said shaft portion and said lip portion of said hub member comprises a rectangular formation engageable in an aligned slot.
Claim 6
Dependent Claim
30 words
In the machine of claim 1 wherein said hub member portion includes a tip thereof slanted to enable ease of disengaging said lip portion from said one of said slots.
Claim 7
Dependent Claim
27 words
In the machine of claim 1 wherein said hub member portion includes a plurality of longitudinal ribs extending therealong for frictional contact with said reduced radius surface.
Claim 8
Dependent Claim
35 words
In the machine of claim 1 wherein said hub member portion comprises a rectangular tongue portion separated from said hub member on either side thereof for a distance from one end to said driving element.
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) | 1983-03-25 | 1983-09-24 | 1984-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-25 | 1987-09-24 | 1988-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-25 | 1991-09-24 | 1992-03-25 | $7700.00 | Window Closed / Lapsed |