Pipette gun and holster assembly

Abstract

A pipette gun and holster apparatus having a remote source of positive and negative air pressure. The holster supports the pipette gun above a work table with the pipette connector oriented generally, vertically downwardly. The holster has a base which may be fastened to a vertical wall. A mounting bracket is fixed to and extends transverse to the base. The bracket has a bottomless socket constructed and arranged to receive and removably hold the pipette gun by inserting the pipette connector into the socket. A switch deactivates the remote air pressure source when the pipette gun is parked in the holster and energizes the remote air pressure source when the pipette gun is removed from the holster. A method of metering fluid using a pipette gun and holster apparatus. The holster is removable fastened to a vertical surface next to or proximate a horizontal work table top. The pipette gun is parked in the holster above the work table with the pipette connector and pipette oriented generally, vertically downwardly out of contact with the table top. The pipette gun is removed from the holster and fluid is metered with the gun. The remote air pressure source is automatically inactivated when the pipette gun is parked in the holster and automatically activated when the pipette gun is removed from the holster.