US Patent 7381371 Pipette device with pivotable nozzle assembly

The invention provides a pipette device with a pivotable nozzle assembly. The pipette device includes a housing with a barrel portion defining a device axis therethrough. The nozzle assembly includes a pivot mechanism that is rotatably engaged with the housing, and includes pivot bosses that are held captive within a portion of the housing. A pivot selector is slideably retained by a portion of the housing, and is operative to engage and disengage a plurality of indexing holes on the pivot mechanism thereby locking and permitting rotation of the nozzle assembly, respectively.