Patent US5226548A successfully refreshed from Google Patents.
US5226548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
I-frame support for a rotatable display tower
Assignee: GRESSCO Ltd A Corp OF WI
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Filing: 1991-12-12
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Granted: 1993-07-13
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Expires: 2011-12-12
Abstract
Abstract A display rack for books, cassette tapes, compact disks, LP records, etc. comprises an I-frame support for at least two rotatable towers housed thereon. Two or more I-frames and towers are hinged together with the towers supported therebetween for rotation. With the I-frames connected together an extremely versatile structure is presented which enables the display to assume a wide variety of spatial configurations.
Inventors
- 👤 Lloyd Koeppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:48
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
193 words
A rotatable tower display system for a plurality of articles comprising two or more I-frames, each of which is defined by a floor engaging horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, adjacent I-frames being hingedly connected together by brackets extending from said free ends of each adjacent I-frame, said brackets also providing said tower supporting means.
Claim 2
Dependent Claim
193 words
A rotatable tower display system for a plurality of articles comprising two or more I-frames, each of which is defined by a floor engaging horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, adjacent I-frames being hingedly connected together by brackets extending from said free ends of each adjacent I-frame, said brackets also providing said tower supporting means.
Claim 3
Dependent Claim
200 words
A rotatable tower display system for a plurality of articles, comprising, two or more I-frames, each of which is defined by a floor engaging, horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, two or more I-frames being hingedly connected together and adjacent I-frames being capable of defining angles between them from a minimum of about 60 degrees to a maximum of about 120 degrees.
Claim 4
Dependent Claim
200 words
A rotatable tower display system for a plurality of articles, comprising, two or more I-frames, each of which is defined by a floor engaging, horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, two or more I-frames being hingedly connected together and adjacent I-frames being capable of defining angles between them from a minimum of about 60 degrees to a maximum of about 120 degrees.
Claim 5
Dependent Claim
198 words
A rotatable tower display system for a plurality of articles, comprising, two or more I-frames, each of which is defined by a floor engaging, horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, two or more I-frames being hingedly connected together and adjacent I-frames being limited in their relative angular orientation by angle limiting means secured at the interconnection between said adjacent I-frames.
Claim 6
Dependent Claim
198 words
A rotatable tower display system for a plurality of articles, comprising, two or more I-frames, each of which is defined by a floor engaging, horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, two or more I-frames being hingedly connected together and adjacent I-frames being limited in their relative angular orientation by angle limiting means secured at the interconnection between said adjacent I-frames.
Claim 7
Dependent Claim
34 words
A display system as claimed in claim 3 wherein said angle limiting means is a know having a perimeter surface of a shape and dimension to define angular limitations of orientation between adjacent I-frames.
Claim 8
Dependent Claim
16 words
A display system as claimed in claim 4 wherein said angle limiting means are selectively interchangeable.
Claim 9
Dependent Claim
198 words
A rotatable tower display system for a plurality of articles, comprising, two or more I-frames, each of which is defined by a floor engaging, horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, two or more I-frames being hingedly connected together and the vertical axis of said hinge connection coinciding with the rotative axis of said tower supported by said tower supporting means.
Claim 10
Dependent Claim
198 words
A rotatable tower display system for a plurality of articles, comprising, two or more I-frames, each of which is defined by a floor engaging, horizontally extending base leg, a vertical support beam extending upwardly from the center of said base leg, and a top support horizontally extending across said vertical support beam and parallel to said base leg, the ends of said base leg and said top support defining at their distal ends two pairs of opposed free ends, a tower supporting means located at each pair of opposed free ends, and at least two rotatable display towers, each comprising at least two vertically spaced shelves, said shelves extending radially from a common axis of rotation, said display towers being rotatively secured by said tower supporting means for rotation about said common axis of rotation, said distal ends of said base leg and said top support being located further from said vertical support beam than the distance from said axis of rotation to the end of said shelves, two or more I-frames being hingedly connected together and the vertical axis of said hinge connection coinciding with the rotative axis of said tower supported by said tower supporting means.
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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) | 1996-07-12 | 1997-01-11 | 1997-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-07-12 | 2001-01-11 | 2001-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-07-12 | 2005-01-11 | 2005-07-13 | $7700.00 | Window Closed / Lapsed |