Universal Exposition Paris Volume 4

Universal Exposition Paris Volume 4

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1891 edition. Excerpt: ...turning it 60 degrees to the right. The lock-slide.--The lock-slide H joins the locking catch with the hammer and is placed in a cavity on the left side of the movable breech, so that this slide can not be dismounted until it is drawn back and the hammer has been removed. The slide has two arms, the one, h, to act against the hammer bridle, and the other for cocking. The latter moves in a cavity in the locking-catch;when the catch is raised, its lug s presses against the arm / and pushes back the slide and hammer. When the catch is pressed down the slide returns to its place. The trigger.--The detent or trigger rotates about a pivot o fastened to the right side of the movable breech. The right arm d of the hammer bridle sustains the sear k, which is situated upon the left side of the arm o of the trigger and prevents the firing-pin from falling before the hammer bridle is sufficiently withdrawn toward the rear. Besides the branch o, the trigger has two other arms, the sear arm 7 and the safety-arm m. The arm I moves in a cavity on the right side of the locking-catch and serves to disengage the sear k when it is drawn back by the lug r of the catch. The object of the arm m with its lug n is to retain the trigger in the cocked position when the breech commences to move to the rear. When the sear is disengaged the lug n is raised out of its hole and can slide upon the circular surface of the right-hand lower ear. The extractors.--These extractors M M can be moved upon the trunnions b b fixed in the breech. This rotation is limited to about a quarter turn, so that when the mechanism is closed they may take a position parallel to the breech and against the rear face of the piece, and when the breech is open they are nearly vertical and against the...
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Product details

  • Paperback | 344 pages
  • 189 x 246 x 18mm | 617g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236587006
  • 9781236587008