US5207030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for holding small glass pieces for grinding
Assignee: Bohle AG
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Filing: 1992-05-15
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Granted: 1993-05-04
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Expires: 2012-05-15
Abstract
Abstract A pliers for gripping small pieces of glass to be ground as a support foot which can ride on a surface from which the grinder projects and a clamping jaw which can hold the piece of glass against a resting surface formed on this foot.
Inventors
- 👤 Heinz Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:14
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B41/00; B24B41/06; B25; B25B; B25B7/00; B25B7/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
230 words
A device for grinding small pieces of glass comprising: a work table formed with a horizontal work surface; a grinder projecting through said surface and rotatable about an axis perpendicular to said work surface; and a pliers for gripping a small piece of glass riding on said work surface, said pliers comprising: an L-shaped support foot having a flat support surface resting upon said work surface, and a resting surface parallel to said support surface, a journaling projection extending upwardly from said support foot along one side of said resting surface, and formed with an upwardly convex curvilinear grip bent toward said work surface from said projection and terminating above said work surface and a pivot located above said flat support surface between ends thereof, and a double-arm lever fulcrumed on said pivot and having: a clamping jaw formed as one arm pivotally mounted on said projection and clamping said piece against said resting surface in a closed position of said pliers, and a curvilinear other arm formed as a grip bent toward said work surface and having a free end spaced from said foot, said other arm being upwardly convex and downwardly concave, said free end being supported on said work surface in an open position of said pliers upon release of said grips and being substantially coplanar with said support surface of said foot in said open position.
Claim 2
Independent Claim
230 words
A device for grinding small pieces of glass comprising: a work table formed with a horizontal work surface; a grinder projecting through said surface and rotatable about an axis perpendicular to said work surface; and a pliers for gripping a small piece of glass riding on said work surface, said pliers comprising: an L-shaped support foot having a flat support surface resting upon said work surface, and a resting surface parallel to said support surface, a journaling projection extending upwardly from said support foot along one side of said resting surface, and formed with an upwardly convex curvilinear grip bent toward said work surface from said projection and terminating above said work surface and a pivot located above said flat support surface between ends thereof, and a double-arm lever fulcrumed on said pivot and having: a clamping jaw formed as one arm pivotally mounted on said projection and clamping said piece against said resting surface in a closed position of said pliers, and a curvilinear other arm formed as a grip bent toward said work surface and having a free end spaced from said foot, said other arm being upwardly convex and downwardly concave, said free end being supported on said work surface in an open position of said pliers upon release of said grips and being substantially coplanar with said support surface of said foot in said open position.
Claim 3
Dependent Claim
29 words
The pliers defined in claim 1 wherein said other arm has a weight distribution such that, upon release of said pliers, said pliers automatically opens to release said piece.
Claim 4
Dependent Claim
21 words
The device defined in claim 1 wherein said jaw and said resting surface are roughened to engage said piece between them.
Claim 5
Dependent Claim
36 words
The device defined in claim 1, said pivot further comprising a pivot pin extending parallel to said resting surface and traversing said double-arm lever and said projection for pivotally mounting said double-arm lever on said projection.
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) | 1996-05-03 | 1996-11-02 | 1997-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-05-03 | 2000-11-02 | 2001-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-05-03 | 2004-11-02 | 2005-05-04 | $7700.00 | Window Closed / Lapsed |