MESSRS. SCHNEIDER AND CO.’S WORKS.
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and on which the hand-lever is fitted. This is provided
with a jointed handle fitted with a catch, which prevents
the accidentai opening of the breech. The repeat firing
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worked by the butt-end of the breech-block support, which
bears on it when the screw is made to swing completely
to the side. A spring laich, which serves solely to fix
Figs. 669 and 670. Single-Motion Breech-Mechanism for Quick-Firing Guns, with Repeat-Firing Action.
Figs. 672 and 673. Single-Motion Breech-Mechanism for Quick-Firing Guns, with Conical Block.
action is of the type already described ; it is worked by
a horizontal lever placed immediately below the hand-
lever, and is fitted with the required safety devices.
A double-ended extractor is lodç;ed in the gun, and
oscillâtes freely to eject the empty cartridge-cases ; it is
the screw on its axis as soon as the swinging to the
side has commencée!, is provided on the left side of the
screw support. When the latter cornes in contact with
the rear-end of the female screw, this connection ceases.
To open the breech, the liand lever is brought round