ClassID:

40551

B23B31/1176 - CPC Classification

Classification description:

Chucks ; Expansion mandrels; Adaptations thereof for remote control; Chucks characterised by the retaining or gripping devices or their immediate operating means; Retention by friction only, e.g. using springs, resilient sleeves, tapers using elastomer rings or sleeves using fluid-pressure means to actuate the gripping means

Recent Application in this class: