Metal deforming – By three or more coacting relatively movable tools – With means to actuate tools in sequence
Patent
1989-07-27
1990-11-27
Crane, Daniel C.
Metal deforming
By three or more coacting relatively movable tools
With means to actuate tools in sequence
72339, 72447, 7245301, B21D 700, B21D 2800
Patent
active
049726986
ABSTRACT:
A vertically mounted working table has a centrally located forming station for making small parts from a feed stock. The forming station is located in a slide holder supported by a backer plate mounted on the working table. The slide holder has multiple radially directed slots for receiving slides containing a tool at one end. The slides are acuated by pneumatic cylinders through four way valves electrically controlled by cam actuated snap switches. The pneumatic cylinders can be repositioned in slots in the working table to change the stroke of the slide.
REFERENCES:
patent: 821556 (1906-05-01), Vaughan
patent: 973167 (1910-10-01), Caswell
patent: 2918100 (1959-12-01), Knox et al.
patent: 3256915 (1966-06-01), Fisher, Jr. et al.
patent: 3440859 (1969-04-01), Holtzhauer
patent: 4773250 (1988-09-01), Miyazaki
patent: 4862717 (1989-09-01), Dolliner
Crane Daniel C.
Larson Herbert W.
Sun Microstamping, Inc.
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