Patent US4566345A successfully refreshed from Google Patents.
US4566345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool carrier assembly
Assignee: Kerk Motion Products Inc
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Filing: 1984-07-23
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Granted: 1986-01-28
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Expires: 2004-07-23
Abstract
Abstract A tool carrier assembly comprising a carrier (2) which supports a tool (6) for reciprocating motion along guide rails (8). There are bearings (14) on the carrier engageable with the guide rails in which assembly the guide rails and the bearing are fabricated from dissimilar plastics.
Inventors
- 👤 Kenneth W. Erikson
- 👤 Keith W. Erikson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:38
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/02; B41J19/00; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/908; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18648
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
85 words
A tool carrier assembly comprising: a carrier supporting a tool for reciprocating motion; guide rails; means for reciprocating the carrier along the guide rails; the guide rails comprising a core of metal rod stock with a sheath of plastic material surrounding the core, the sheath having a ground surface; sleeve bearings on the carrier engageable with the guide rails; the plastic sheath being made of extruded nylon containing approximately 20% of polytetrafluoroethylene, the bearings being made of molded acetyl copolymer containing approximately 20% of polytetrafluorethylene.
Claim 2
Dependent Claim
85 words
A tool carrier assembly comprising: a carrier supporting a tool for reciprocating motion; guide rails; means for reciprocating the carrier along the guide rails; the guide rails comprising a core of metal rod stock with a sheath of plastic material surrounding the core, the sheath having a ground surface; sleeve bearings on the carrier engageable with the guide rails; the plastic sheath being made of extruded nylon containing approximately 20% of polytetrafluoroethylene, the bearings being made of molded acetyl copolymer containing approximately 20% of polytetrafluorethylene.
Claim 3
Dependent Claim
20 words
Tool carrier according to claim 1 wherein the bearings are made of polycarbonate containing from 10 to 20% of polytetrafluoroethylene.
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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) | 1989-01-27 | 1989-07-29 | 1990-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-27 | 1993-07-29 | 1994-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-27 | 1997-07-29 | 1998-01-28 | $7700.00 | Window Closed / Lapsed |