DIFF Subgroup
B23B 31/103 Retention by pivotal elements, e.g. catches, pawls
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Chucks; Expansion mandrels; Adaptations thereof for remote control > Chucks > characterised by the retaining or gripping devices or their immediate operating means > Retention by pivotal elements, e.g. catches, pawls
CPC:
Chucks ; Expansion mandrels; Adaptations thereof for remote control (faceplates B23Q1/50; rotary devices holding by magnetic and/or electrical force acting directly on work B23Q3/152) > Chucks > characterised by the retaining or gripping devices or their immediate operating means > Retention by pivotal elements, e.g. catches, pawls
No child classifications to compare. This is a leaf node in both IPC and CPC.