Restraining apparatus for a conveyor system

Details Restraining apparatus for a conveyor system Restraining apparatus for a conveyor system

1994-03-15

1994-11-22

Valenza, Joseph E.

Conveyors: power-driven

With means to facilitate working, treating, or inspecting...

Means engaging conveyor or load on a conveyor to align load...

B65G 4700

Patent

active

053660625

ABSTRACT:
An automated laboratory conveyor system includes a conveyor track arranged in a closed loop to continuously transport a specimen carrier having a laboratory specimen therein. A restraining apparatus is operably mounted on the track to restrain movement of the specimen carrier at predetermined locations. The restraining apparatus includes a cylinder with an extensible arm mounted adjacent the conveyor track with the arm operable between an extended position projecting over the conveyor track to prevent passage of the specimen carrier. The extensible arm is retractable to a retracted position which permits passage of the carrier along the track. The restraining apparatus includes a second cylinder with an extensible arm spaced upstream of the first cylinder, the second cylinder arm operable to restrain a specimen carrier upstream of the first extensible arm.

REFERENCES:
patent: 3527087 (1970-09-01), Converse et al.
patent: 3805556 (1974-04-01), Duffy
patent: 4506777 (1985-03-01), Kampf
patent: 4552260 (1985-11-01), Teagno et al.
patent: 4805759 (1989-02-01), Rochet et al.
patent: 4958716 (1990-09-01), Matsuo et al.
patent: 4971189 (1990-11-01), Fleming et al.
patent: 5143195 (1992-09-01), Bloecker

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