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US3879798A Expired / Lapsed US ⏱️ 0.0 years remaining

Roller for luggage and other objects

Assignee: Individual
•
Filing: 1974-01-11
•
Granted: 1975-04-29
•
Expires: 1994-01-11
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Abstract

Abstract An elongated plate, attachable under luggage and other objects, preferably of magnetically attractable material, contains a relatively thin, flat member underneath with a small space between one lateral side and the elongated plate and toward the other side a screw-threaded hole. In its lateral rim on the side with the small space, the flat member, optionally, is indented and has toward this side a cavity extending up to the elongated plate. The plate with the flat member is sufficiently thin and flat so as not to upset the upright position of the luggage or other object under which it is fastened. A separate and releasably attachable roller member with a roller under a platform contains a relatively thin fastening element extending angularly upward from one side of the platform to the level of the top of the flat member when attached, and extending angularly over and compactly into the small space below the elongated plate. Toward the other side the roller platform has a headed machine screw that registers up into the screw-threaded hole in the flat member. Optionally the fastening element is provided with a projection that protrudes into the dent in the rim of the flat member, and the roller platform a magnet projecting from its top surface, insertable into the cavity in the flat member, detachably clinging to the elongated plate.

Inventors

  • 👤 Lester S Krulwich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:44
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0002; A; A45; A45C; A45C5/00; A45C5/14; A45C5/143

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 212 words
An apparatus on which to roll luggage and other objects comprising an elongated plate capable of being fastened under said luggage and other objects, said elongated plate being made of magnetically attractable material, provided with a flat member underneath containing a fastening element toward one lateral side not materially extending outward beyond its bottom surface and a small space between the other lateral side and the elongated plate, said plate and flat member being sufficiently thin and flat so as not to upset the standing position of the luggage and objects when attached, a roller member with a roller under a platform containing a releasable fastening element that registers up into the fastening element in the flat member toward that lateral side, and extending upward and over from the rim of the other lateral side a relatively thin fastening element removably and compactly into said small space between the elongated plate and flat member, said flat member containing a cavity extending upward to the bottom surface of said magnetically attractable plate member, a magnet attached to and projecting from the said platform on the roller member, said magnet adapted and positioned to be removably insertable into said cavity in the flat member and to cling firmly to said plate and flat members.
Claim 2
Independent Claim 212 words
An apparatus on which to roll luggage and other objects comprising an elongated plate capable of being fastened under said luggage and other objects, said elongated plate being made of magnetically attractable material, provided with a flat member underneath containing a fastening element toward one lateral side not materially extending outward beyond its bottom surface and a small space between the other lateral side and the elongated plate, said plate and flat member being sufficiently thin and flat so as not to upset the standing position of the luggage and objects when attached, a roller member with a roller under a platform containing a releasable fastening element that registers up into the fastening element in the flat member toward that lateral side, and extending upward and over from the rim of the other lateral side a relatively thin fastening element removably and compactly into said small space between the elongated plate and flat member, said flat member containing a cavity extending upward to the bottom surface of said magnetically attractable plate member, a magnet attached to and projecting from the said platform on the roller member, said magnet adapted and positioned to be removably insertable into said cavity in the flat member and to cling firmly to said plate and flat members.
Claim 3
Dependent Claim 55 words
An apparatus on which to roll luggage and other objects according to claim 1, the fastening element in the said flat member provided with a screw-threaded hole and the fastening element in the platform of the roller member with a headed machine screw that registers up into the said screw-threaded hole in the flat member.
Claim 4
Dependent Claim 59 words
An apparatus on which to roll luggage and other objects according to claim 2, the said relatively thin fastening element extending upward from the rim of the platform of the roller member provided with a projection that protrudes into a dent contained in the lateral rim of the flat member when the said platform and flat members are attached.
Claim 5
Dependent Claim 39 words
An apparatus on which to roll luggage and other objects according to claim 3, the elongated plate being made of flexible maTerial so that its longitudinal ends may more readily conform to the shape of luggage and other objects.

References Cited (Backward Citations)

US2478563A Cited
US2782045A Cited
US3109619A Cited
US3616622A Cited
US3655215A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-28 1978-10-28 1979-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-28 1982-10-28 1983-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-28 1986-10-28 1987-04-29 $7700.00 Window Closed / Lapsed

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