Presses – Automatic or material triggered control – Of actuating means
Patent
1995-10-06
1998-11-10
Gerrity, Stephen F.
Presses
Automatic or material triggered control
Of actuating means
73825, 100 99, 100229R, B30B 1522
Patent
active
058328173
ABSTRACT:
A paper sample press has a drawer slidably mounted on a base. A plurality of generally vertical guide posts are mounted on the base on opposed sides of the drawer. The drawer has a lower platen mounted thereon for supporting a stack of paper samples. The drawer is slidable on the base from a retracted position between the guide posts to an extended position wherein the lower platen is extended out from between the guide posts, and returnably slidable on the base from the extended position to the retracted position. A vertically selectively actuable press cover is vertically mounted on a piston above the lower platen when the drawer is in the retracted position. The piston is selectively actuable so as to selectively lower and elevate the press cover between a raised position and a lowered paper sample engaging position. The paper sample press has piston support and a selective actuation device for supporting and selectively actuating the piston vertically over the lower platen so as to vertically selectively translate the press cover along a vertical press axis aligned with the lower platen between the raised position and the lowered paper sample engaging position. The piston support and selective actuation means is mounted on the guide posts. A constant compression device is provided for applying a generally constant compression pressure along the vertical press axis to a stack of paper samples placed on the lower platen when the drawer is in the retracted position and the press cover is in the lowered paper sample engaging position.
REFERENCES:
patent: 729733 (1903-06-01), Carey
patent: 2191687 (1940-02-01), Skates
patent: 2224248 (1940-12-01), Blum et al.
patent: 2245080 (1941-06-01), Pendleton
patent: 2720331 (1955-10-01), Adshead
patent: 2782710 (1957-02-01), Fishburne
patent: 3454741 (1969-07-01), Stewart
patent: 4554868 (1985-11-01), Zimmer
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