Dummy bars employing a quickly and automatically detachable end

Metal founding – Starter bar – Disconnectable

Patent

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Details

164426, 403330, B22D 1108

Patent

active

044691637

ABSTRACT:
Dummy bars with a detachable end comprising: an end portion which has a hook of a smaller width and is an integral part of the dummy bar and a lodgement groove stretching lengthwise in said dummy bar, a detachable head which bears on its outside a connection for attachment of the billet and has within itself a lengthwise groove containing an inside crosswise attachment pin, whereby the groove can lodge the hook of the dummy bar, and whereby said hook cooperates from above with said attachment pin, abuttments provided on the lower side between the end portion with hook and the detachable head and which enable the detachable head to rotate in one direction in relation to the end portion, a latch which pivots within the lodgement groove and can close from below against the attachment pin, a bar to actuate the latch provided and hinged at the end of the latch, and a tension spring connected at one end to the inner end of the bar and at their other end to the body of the dummy bar.

REFERENCES:
patent: 4222432 (1980-09-01), Scheurecker

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