Parting surface structure of bulletin device

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

1991-12-03

1993-11-30

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Signs

Stretched or tensioned

40574, 40156, 16355, 16356, 16261, G09F 1700

Patent

active

052653625

ABSTRACT:
A parting surface structure of a bulletin device having a device frame, includes an open bearing portion in the device frame, a parting surface body formed as a front face of the device frame, the parting surface body including a pivot for pivotally mounting the parting surface body in the open bearing portion, and an abutment member in the open bearing portion for preventing removal of the pivot, the abutment member being rotatable with the pivot in the open bearing portion.

REFERENCES:
patent: 2567536 (1951-09-01), Wolters et al.
patent: 2828842 (1958-04-01), Plumley et al.
patent: 3967734 (1976-07-01), Morgan et al.
patent: 4673090 (1987-06-01), Grosslen
patent: 4958458 (1990-09-01), Hillstrom et al.
patent: 5077924 (1992-01-01), Yamaguchi
patent: 5088221 (1992-02-01), Bussiere et al.

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