1976-12-09
1978-12-19
Schran, Donald R.
292814, B42C 1500
Patent
active
041299140
ABSTRACT:
An improved automatic loading tray comprising a frame having lateral side rails and a pair of longitudinal cross-bar arrangements spaced from each other and secured to the lateral side rails for reciprocal movement therealong, each cross-bar arrangement including two laterally spaced substantially parallel bars, an inner and outer bar, said inner bar nearer said other cross-bar arrangement than said outer bar, and means to limit maximum separation between said two spaced bars, rotatable spacer means for positioning between said spaced bars, said rotatable means being of substantially uniform non-circular or non-square cross-section looking downwardly thereon for causing the bars to abut said means to limit their maximum separation when said rotatable means is positioned between said bars in a first position and for causing said bar to loosely seat between said means to limit maximum separation when said rotatable means is in a second position, and means to rotate said rotatable spacer means.
REFERENCES:
patent: 513453 (1894-01-01), Coles et al.
patent: 880033 (1908-02-01), Mugler
patent: 1464389 (1923-08-01), Lancaster
patent: 2021214 (1935-11-01), Wilson
patent: 2456613 (1948-12-01), Archambault
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