Metal working – Means to assemble or disassemble – Means to assemble electrical device
Patent
1990-12-19
1992-03-10
Echols, P. W.
Metal working
Means to assemble or disassemble
Means to assemble electrical device
29712, 403369, 403370, B23P 1900
Patent
active
050939831
ABSTRACT:
A machine for mounting electronic components on a printed circuit board has a turret assembly which carries a plurality of tool assemblies. An encoder is directly connected to the turret shaft of the assembly by screwing the end of the encoder drive shaft into an expandable hub shaft locking device.
REFERENCES:
patent: 2308542 (1943-01-01), Raybould
patent: 2508039 (1950-05-01), Neuwirth
patent: 2999706 (1961-09-01), Wilcox
patent: 4555199 (1985-11-01), Maier et al.
Echols P. W.
Emhart Inc.
Smith Spencer T.
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