Method for assembling poster frame with non-sliding spring mecha

Details Method for assembling poster frame with non-sliding spring mecha Method for assembling poster frame with non-sliding spring mecha

1998-07-07

1999-09-14

Davis, Cassandra H.

Card, picture, or sign exhibiting

Picture frame

Picture retainer

40647, G09F 112

Patent

active

059503432

ABSTRACT:
A method of assembling a poster frame made from a plurality of frame sections, each frame section having a base member and cover member rotatably fastened together. One or more flat metal spring biasing members having a first opposed pair of smooth edges and a second opposed pair of sawtooth or irregular edges are positioned between the rotating cover and base members. The spring members are first positioned with the smooth edges in contact with the rotating members until they are aligned, and then with the sharp edges in contact with the members. The projections on the irregular edges of the spring members are preferably pointed and embed in the metal channels of the cover and base members and dig grooves therein, preventing the cover and base member from sliding longitudinally relative to one another. Various configurations of toothed and pointed members can be utilized on the opposed irregular edges of the spring biasing member. Preferably, the irregular edges have one or more flat areas in order to prevent the spring members from embedding too deeply in the channels in the cover and base members.

REFERENCES:
patent: 2581843 (1952-01-01), Edwards
patent: 3310901 (1967-03-01), Sarkisian
patent: 4145828 (1979-03-01), Hillstrom
patent: 4505010 (1985-03-01), Arenhold
patent: 4512094 (1985-04-01), Seely
patent: 4523400 (1985-06-01), Seely
patent: 4958458 (1990-09-01), Hillstrom
patent: 4986491 (1991-01-01), Gelardi
patent: 5307575 (1994-05-01), Ivansson et al.

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