Metal working – Means to assemble or disassemble – Means to assemble electrical device
Patent
1976-06-03
1978-03-21
Hall, Carl E.
Metal working
Means to assemble or disassemble
Means to assemble electrical device
29596, 29738, 214 85C, 214 85SS, H02K 1502
Patent
active
040795128
ABSTRACT:
A supporting mandrel receives a plurality of electrical motor core laminations in columnar relation. An overhead ram carrying a ram head is in movable relation towards and away from the supporting mandrel along the columnar axis. A cylinder is formed in the ram head opening towards the supporting mandrel. A piston is reciprocably mounted in the cylinder and is coupled in force transmitting relation to the upper end of said column. Selectively releasable fluid pressure is operable to move the piston toward the supporting mandrel for compressing the laminations in the column. Coplanar pick-off fingers are mounted in an axially aligned member and are movable in a radial direction relative the axis and exert a holding force to at least one lamination. The plane of the fingers is spaced a predetermined axial distance from the upper column end defining a predetermined stack height of laminations. The holding force is maintained until the fluid pressure to the piston is released. The stack is then lifted and retaining means engage the stack while it is moved to a second subsequent station to prevent droppage of any laminations in the stack.
REFERENCES:
patent: 3006062 (1961-10-01), Loy
patent: 3926320 (1975-12-01), Shively et al.
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