Bulletin suspending mechanism in bulletin device

Details Bulletin suspending mechanism in bulletin device Bulletin suspending mechanism in bulletin device

1990-08-30

1992-01-07

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Signs

Stretched or tensioned

40574, 3810291, 160378, G09F 1700

Patent

active

050779249

ABSTRACT:
According to the present invention, in a bulletin device for indication or decoration in station yards, underground passages, buildings, exhibitions, etc., having a parting portion which constitutes a front face of a device frame and which is formed for opening and closing motion or which can be removable, a suitable number of retaining means are mounted inside a horizontal mounting portion hidden on a rear side of the parting portion, the retaining means being each mounted with a bolt so as to be adjustable in movement inwards and outwards, and a bulletin is connected to the retaining means and suspended in a tensed state within the device frame by turning the head of each said bolt positioned outside the horizontal mounting portion. The degree of stretching of the bulletin can be adjusted freely. Besides, in mounting or replacing a bulletin, the bulletin can be suspended quickly and easily in a tensed state and to a desired degree of stretching.

REFERENCES:
patent: 1361624 (1920-12-01), Schmidt
patent: 2429256 (1947-10-01), Block
patent: 4097968 (1978-07-01), Pikus
patent: 4317302 (1982-03-01), Van de Linde
patent: 4452000 (1984-06-01), Gandy
patent: 4674213 (1987-06-01), Keithley
patent: 4674214 (1987-06-01), Gandy
patent: 4937961 (1990-07-01), Gandy et al.

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