Patent US1303187A successfully refreshed from Google Patents.
Patent US4187511A successfully refreshed from Google Patents.
Patent US5292222A successfully refreshed from Google Patents.
US5292222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Robotic load device for outer diameter pickup of a disk
Assignee: International Business Machines Corp
•
Filing: 1992-03-31
•
Granted: 1994-03-08
•
Expires: 2012-03-31
Abstract
Abstract A robotic load device gripper for picking up an edge of a disk, and more particularly, pertains to a robotic load device for outer diameter pickup of a disk, either selected or randomly selected, such as at quarter inch spacings, from cassettes, containers, or in groups of disks for predetermined placement.
Inventors
- 👤 Gerald D. Malagrino, Jr.
- 👤 Lawrence M. Prenzlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:15
CPC Classifications
G; G11; G11B; G11B23/00; B; B25; B25J; B25J15/00; B25J15/06; B25J15/0616; G11B17/00; G11B17/22
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
73 words
A method for engaging a disk comprising the steps of: a. providing a member with a radial flat surface for engaging an outer rim of a disk; b. providing a slot through a partial portion of said radial flat; c. creating a vacuum through said radial flat; and d. engaging said radial flat against said outer rim of said disk for movement of said disk, from a first point to a second point.
Claim 2
Independent Claim
73 words
A method for engaging a disk comprising the steps of: a. providing a member with a radial flat surface for engaging an outer rim of a disk; b. providing a slot through a partial portion of said radial flat; c. creating a vacuum through said radial flat; and d. engaging said radial flat against said outer rim of said disk for movement of said disk, from a first point to a second point.
Claim 3
Independent Claim
75 words
A method for engaging a plurality of disks for a disk drive comprising the steps of: a. providing members with a radial flat surfaces for engaging outer rims of disks; b. providing slots through a partial portion of said radial flats; c. creating a vacuum through said radial flats; and, d. engaging said radial flats against said outer rims of said disks for movement of said disks, from a first point to a second point.
Claim 4
Independent Claim
75 words
A method for engaging a plurality of disks for a disk drive comprising the steps of: a. providing members with a radial flat surfaces for engaging outer rims of disks; b. providing slots through a partial portion of said radial flats; c. creating a vacuum through said radial flats; and, d. engaging said radial flats against said outer rims of said disks for movement of said disks, from a first point to a second point.
Claim 5
Dependent Claim
18 words
The method of claim 2 wherein said second point is a spindle shaft for forming a disk drive.
References Cited (Backward Citations)
US4515508A
Cited
US4983093A
Cited
US4496180A
Cited
US4720130A
Cited
US4886412A
Cited
US4775281A
Cited
US4773687A
Cited
US4902186A
Cited
US5142766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-03-07 | 1997-09-06 | 1998-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-07 | 2001-09-06 | 2002-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-07 | 2005-09-06 | 2006-03-08 | $7700.00 | Window Closed / Lapsed |