Spiral orbital shear apparatus

Details Spiral orbital shear apparatus Spiral orbital shear apparatus

1984-08-02

1985-10-22

Yost, Frank T.

Cutting

By means to misalign aligned apertured tools

83200, 83580, 836475, B21F 1100

Patent

active

045481113

ABSTRACT:
During the assembly of electronic components on circuit boards, the problems of ductile smear cusps produced on wire ends by traditional scissor-type shearing are addressed by a spiral orbital shear apparatus. This apparatus includes a first fixed plate having an array of apertures and a second plate also having the array of apertures. The first and second plates have abutting surfaces. A first eccentric drive member is connected to rotate at a first rate in a first direction. A second eccentric drive member is connected to the second plate and rotates with the first eccentric drive member. The second drive member is also rotated at a second rate in the first direction independently of the rotation of the first drive member.

REFERENCES:
patent: 146846 (1874-01-01), Stevens
patent: 596837 (1898-01-01), Werner
patent: 901667 (1908-10-01), Wrigley
patent: 2288385 (1942-06-01), Beard
patent: 2348877 (1944-05-01), Beard
patent: 2428650 (1947-10-01), Brunner
patent: 3494233 (1968-05-01), Kojima
patent: 4003279 (1977-01-01), Carmichael

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