Repetition pipette

Details Repetition pipette Repetition pipette

1995-04-10

1997-01-07

Warden, Jill

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

222287, 222309, 222391, 7386416, 7386418, B01L 302

Patent

active

055914080

ABSTRACT:
The invention relates to a repetition pipette including a syringe receiving section for a mounting portion of a syringe, said pipette comprising a receiving member having a piston receiving portion for the mounting portion of a syringe piston, piston returning means for moving said receiving member away from said syringe receiving portion, piston advancing means for advancing said receiving member towards said piston receiving portion in steps corresponding to the liquid volumes to be ejected by the syringe, and step width adjusting means for adjusting the width of the steps of said receiving member by means of an adjustment element, characterized by constant step means for setting the width of the first step to a constant value independent of adjustments of said adjustment element for the widths of following steps.

REFERENCES:
patent: 2768769 (1956-10-01), Cornell et al.
patent: 4041764 (1977-08-01), Sabloewski et al.
patent: 4099548 (1978-07-01), Storm et al.
patent: 4406170 (1983-09-01), Kohn
patent: 4467942 (1984-08-01), Oshikubo
patent: 4470317 (1984-09-01), Sabloewski
patent: 4581022 (1986-04-01), Leonard et al.
patent: 5323931 (1994-07-01), Robards, Jr. et al.
patent: 5330721 (1994-07-01), Tervamaki

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