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GB Patent: GB-356,453
Improvements relating to guards for presses and other like machines
Patentee:
John Pountney Udal (exact or similar names) - Birmingham, England

USPTO Classifications:

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine safety guards
metalworking machines : metalworking presses

Assignees:
None

Manufacturer:
J. P. Udal - Birmingham, England

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 27, 1930
Granted: Sep. 10, 1931

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for J. P. Udal
Description:
This invention provides for a primary guard attached to the machine, plus a secondary guard that is mounted to the primary guard and that can be moved by the machine. In normal operation only the secondary guard moves. If the operator's hand is caught by the guard then the primary guard is pushed on by the secondary guard via the trapped hand, and this motion of the primary guard pushes the hand out of danger.

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