Hand-held, battery-operated rotary blade saw

Details Hand-held, battery-operated rotary blade saw Hand-held, battery-operated rotary blade saw

1989-12-15

1991-05-07

Watts, Douglas D.

Cutlery

Cutting tools

Saw

30390, 30504, B23D 4700, B27B 900, B27B 1102

Patent

active

050125826

ABSTRACT:
A hand-held, battery-operated rotary blade saw useful for cutting plastic clips or straps which secure a face mask to a football helmet. Several configurations, having differing safety shields, are disclosed. The device is an emergency/rescue tool to quickly remove a face mask from a football helmet allowing access to the face of a football player without removal of the helmet with its concomitant risk of cervical injury.

REFERENCES:
patent: 1631366 (1927-06-01), Feister
patent: 1816966 (1931-08-01), Gray et al.
patent: 3040790 (1962-06-01), Goodson
patent: 3389323 (1968-06-01), Jepson et al.
patent: 4249313 (1981-02-01), Bates
patent: 4657428 (1987-04-01), Wiley

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