Tube-plug extracting apparatus

Details Tube-plug extracting apparatus Tube-plug extracting apparatus

2006-12-26

2006-12-26

Shakeri, Hadi (Department: 3723)

Tools

Receptacle closure remover

Power-, vacuum-, or fluid pressure-operated

C081S003330, C081S003390

Reexamination Certificate

active

07152504

ABSTRACT:
A tube-plug extracting apparatus has a clamping mechanism, movable frame, chucking mechanism, rotation mechanism, and vertical motion mechanism. The clamping mechanism holds a test tube upright. The movable frame is located over a plug extracting position and slides in a vertical direction. The chucking mechanism chucks a plug attached to the test tube. The rotation mechanism rotates the chucking mechanism. The vertical motion mechanism moves the movable frame in a direction to extract the plug. The vertical motion mechanism has ball screws and a drive motor. The ball screws have a stroke long enough to move the movable frame in order to shift a lower-limit stop position for chucking the plug corresponding to the size of test tube.

REFERENCES:
patent: 4522089 (1985-06-01), Alvi
patent: 4982553 (1991-01-01), Itoh
patent: 5255574 (1993-10-01), Wuerschum
patent: 5490321 (1996-02-01), Kaneko
patent: 6871566 (2005-03-01), Niwayama et al.
patent: 5-228379 (1993-09-01), None
patent: 6-324051 (1994-11-01), None
patent: 2000-338111 (2000-12-01), None
patent: 2003-94374 (2003-04-01), None

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