Coating apparatus – With heat exchange – drying – or non-coating gas or vapor...
Patent
1977-08-19
1978-06-06
McIntosh, John P.
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
118425, 118426, 118503, 134 80, B05C 304, B05C 309, B05C 1110, B05C 1300
Patent
active
040929523
ABSTRACT:
An automatic slide stainer has a hollow enclosed framework including a base and a cover, the cover having a top annular platform. A dish is mounted upon said platform for containing a stain solution. A dish of increased width is mounted upon said platform adjacent said first dish and adapted to contain another stain solution. A reservoir tank having an outlet is mounted upon said framework and adapted to contain a rinse solution. A rinse tank is connected to said reservoir and projected up through said platform adjacent said stain dish and has an inlet. A pump is mounted upon said framework having an intake and an outlet. Conduits respectively interconnect the reservoir outlet and pump inlet, and the pump outlet and rinse tank inlet. A power-rotated upright hub is journalled upon said framework centrally of said platform and projects above said cover. A disc-shaped slide retainer plate is mounted upon and centrally secured to said hub for rotation therewith radially inward of said dishes and rinse tank. A series of radially extending slide retainers are pivotally mounted upon said plate around its periphery, each retainer having an outwardly directed clip adapted to supportably receive one end of a slide. Each slide retainer and clip has a raised retained position, a raised dish wall clearance position and a lowered horizontal slide immersion position. Said slide retainers when supporting a slide are normally biased to emersion position. A series of spaced cams are mounted upon said cover inwardly of said platform normally in the path of rotative movement of said slide retainers for momentarily camming the retainers successively to raised dish wall clearance position. Said cams are located adjacent the radial slides of each dish and rinse tank so that said retainers and slides are temporarily cammed to raised clearance position to clear the adjacent walls of said dishes and tank during continuous rotation of said slide retainers.
REFERENCES:
patent: 1130383 (1915-03-01), Ellison
patent: 2776640 (1957-01-01), Miklofsky et al.
patent: 2908249 (1959-10-01), Rokosz et al.
patent: 3391670 (1968-07-01), Lester et al.
patent: 3853092 (1974-12-01), Amos et al.
Mooradian Arman
Wilkie Ronald N.
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