Card – picture – or sign exhibiting – Display card – Having a curved display panel
Patent
1978-10-18
1981-02-17
Pitrelli, John F.
Card, picture, or sign exhibiting
Display card
Having a curved display panel
40159, A47G 106, G09F 110
Patent
active
042506417
ABSTRACT:
An improved pre-closed slide mount is described having two sides or masks which are secured together for defining an internal pocket to retain a film transparency which is inserted edgewise through an opening or entranceway in one edge of the mount and defining a window for viewing the transparency in the mount. An elevated border region formed in one mask of the mount extends transversely across the entranceway and has a sloping outer surface to provide a funnel for directing a transparency into the entranceway, and this border region has laterally sloping ends which define two spaced valleys the purpose of which is to receive the outer edges of a longitudinally bowed film strip serving as pusher for the inserted transparency. The outer edges of the valleys are defined by lateral transparency guides. The border region of the other mask forms an elevated roof over the elevated border region with inverted steps over the laterally sloping end portions of the border region. A transparency funneled between the elevated border region and the roof slides between the inverted steps and the elevated border region and thereby moves into the entranceway. A deflecting surface behind the elevated roof deflects a transparency downwardly into the transparency pocket behind the elevated border region, and the border region then retains the transparency within the pocket. Clamping ribs are provided adjacent the window to grip the transparency within the pocket. A retraction clearance slot may be provided adjacent one of the valleys the purpose of which is to provide clearance for a transparency pusher as it is being retracted while lateral movement of the slide mount commences.
REFERENCES:
patent: 2383465 (1945-08-01), Bradford
patent: 2390053 (1945-12-01), Bradford
patent: 3341960 (1967-09-01), Florjancic
patent: 3477160 (1969-11-01), Clark
patent: 4104818 (1978-08-01), Hrabik
Forox Corporation
Pitrelli John F.
Skillington G. Lee
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