Parting surface structure of bulletin device

Details Parting surface structure of bulletin device Parting surface structure of bulletin device

1991-09-12

1992-11-03

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40603, A47G 106, G09F 112

Patent

active

051597705

ABSTRACT:
A parting surface structure of a bulletin device for indication or decoration in station yards, underground passages, buildings, exhibitions, etc. has an adjustable construction. A fitting slot is formed in the inner peripheral edge of a parting surface body which constitutes the front face of a device frame, and a second parting surface portion having a desired parting surface width is fitted in the said fitting slot. According to this construction, part of the parting portion can be replaced with a parting surface portion having a desired parting surface width according to a bulletin to be used in a manufacturing factory or at a site where the bulletin device is mounted. Thus, it is possible to make adjustment freely to a parting surface width suitable for a bulletin to be used.

REFERENCES:
patent: 2941324 (1960-06-01), Waxgiser
patent: 4088881 (1978-05-01), Neer et al.
patent: 4126952 (1978-11-01), Weisfield et al.
patent: 4157584 (1979-06-01), Bhatt
patent: 4237632 (1980-12-01), Segerstad
patent: 4580361 (1986-04-01), Hillstrom et al.
patent: 4877213 (1989-10-01), Lambert

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