Machinery safety guards

Details Machinery safety guards Machinery safety guards

1978-12-19

1981-09-22

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

Miscellaneous

Drill guide

74609, B23B 4700

Patent

active

042907179

ABSTRACT:
An easily removable safety guard for application to the barrel of a vertical drilling machine so as to overlie the drill bit comprises a coaxially arranged telescopingly connected, guard body and guard sleeve. The guard body is yieldably and resiliently retained in a mounting ring which is in turn clamped on the barrel of the drilling machine. The guard sleeve, or skirt, depends from the guard body to engage at its underside the workpiece or machine bed plate. The guard body moves progressively downwardly relative to the sleeve during progressive downward motion of the barrel. The sleeve is provided with clear-view panels therein and the guard body includes breaker bars to break off slivers of metal cut from the workpiece. Spring pressed ball catches enable the guard body with its sleeve, to be readily removed from the mounting ring with a downward extraction force.

REFERENCES:
patent: 1256641 (1918-02-01), Bailey et al.
patent: 1387553 (1921-08-01), Miller
patent: 1563887 (1925-12-01), Wiepetat
patent: 2350247 (1944-05-01), Newell
patent: 2382147 (1945-08-01), Hanak
patent: 2491035 (1949-12-01), Deacon
patent: 2957375 (1960-10-01), Howlett
patent: 3386312 (1968-06-01), Weasler
patent: 3787138 (1974-01-01), Vernon et al.

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