Portable expandable lap desk

Details Portable expandable lap desk Portable expandable lap desk

1993-10-18

1994-09-20

Foss, J. Franklin

Supports

Easel; book, copy or music score holder

Body supported

248460, A47B 9704

Patent

active

053482638

ABSTRACT:
This invention relates to a portable expandable desk comprising a first substantially rigid flat surface member; a second substantially rigid flat surface member; a means for hingedly attaching the first surface member to the second surface member so that the first and second surface members are capable of folding together; and a means for bracing the first surface member and the second surface member in an unfold position wherein the bracing means comprises a gripping means to prevent the bracing means from inadvertently disengaging from the first or second surface member.

REFERENCES:
patent: 346547 (1886-08-01), Holt
patent: 643164 (1900-02-01), Schnell
patent: 2640747 (1953-06-01), Bodenhoff
patent: 4215838 (1980-08-01), Gullota
patent: 4700634 (1987-10-01), Mills
patent: 4886231 (1989-12-01), Doerksen
patent: 5150873 (1992-09-01), Donovan

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