Supports – Easel; book – copy or music score holder – Knockdown or collapsible
Patent
1991-09-23
1992-06-30
Johnson, Blair M.
Supports
Easel; book, copy or music score holder
Knockdown or collapsible
248463, 403 91, 403161, A47B 9704
Patent
active
051256134
ABSTRACT:
Display easel having an elongated connector to which are attached three legs which can be moved from parallel storage positions to angular erection positions to form a tripod. The connector has a longitudinal passage in which slides a support rod, the movement of the legs from their storage positions to their erected positions causing the legs to lock the rod at a selected position in the passage. The legs have telescoping extensions and at least one leg has an auxiliary element that is held on the leg by a blind rivet whose head lies in a protuberance in the leg, so that its head does not interfere with sliding of the extension in the leg for adjustment.
REFERENCES:
patent: 2550550 (1951-04-01), Goodstein
patent: 4017049 (1977-04-01), Albee
patent: 4171116 (1979-10-01), Carver
patent: 4326687 (1982-04-01), Clyburn
patent: 4502654 (1985-03-01), Albee
patent: 4609174 (1986-10-01), Nakatani
Albee, Jr. Percy F.
Waid Riley L.
Johnson Blair M.
Q-Panel Corporation
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