FR2787373A1 - Sliding blade clasp knife has tubular handle to contain blade and slide moving in slot in handle to extend blade - Google Patents

Abstract

Pocket knife with sliding blade and distal clip. The invention relates to an extra flat pocket knife designed for modern clothing thanks in particular to a distal clip that can be used with one hand and in complete safety. It consists of a handle ( 1) a blade and a pin (13). The handle (1) has a slot (6) which receives the blade and a window (7) in which the pin (13) slides. The front end of the window has an enlargement (11) in which the pin (13) can pivot to safely keep the blade extended in the use position. Thanks to the intermediary of the pin (13) the fingers never have direct contact with the blade. Finally, the one-piece handle (1) without screws or rivets has great strength and therefore safety for the thinnest possible thickness.By its characteristics, this knife is therefore intended to be carried every day in the back pocket of pants and be available at all times with one hand.

Description

_-- The present invention relates to an ultra-flat pocket knife with a blade

sliding and clip

distal attachment.

  Pocket knives, because of their size and weight, are unsuitable for modern and everyday clothing, so they are never available or accessible when you need them. In addition, a knife always represents a potential danger for its user, either when opening it while handling the blade, or during use, due to the risk of unwanted folds.

of this blade.

  The device according to the invention overcomes these drawbacks: In fact it has, according to a first characteristic, an ultra-flat one-piece handle crossed over its entire length by a slot in which the blade can slide to pass from the rest position

  to the position of use and vice versa.

  This handle has substantially the shape of an elongated rectangular parallelepiped and therefore has two long edges and two ends. One of the long edges is said to be closed. The other long edge and

  at least the so-called front end are open due to the presence of the slot.

  The handle also has over almost its entire length and perpendicular to the slot a window substantially parallel to the long edges serving as a slide for a pin called a pin. The sprayer crosses the blade perpendicularly and has a double role: On the one hand it limits the movements of the blade in the slot of the handle to the only possibility of sliding from the rest position to the position of use and on the other hand it serves as a pusher so that the fingers can manipulate the blade without having direct contact with it, finally this

  device allows the knife to be assembled in a single operation without screws or rivets.

  Finally, the handle has a clip at its rear end in a fully distal position so that the knife can be hung on the edge of a pocket without it sticking out

at all.

  According to a particular embodiment, the monobloc handle consists of a rectangular sheet folded in two along its major axis and offering, like a gutter, a "U" section whose parallel branches are quite long and close together, separated by a

  narrow space, just enough to accommodate the blade.

  The clip can be formed by a protrusion of the handle at the rear end thereof. If the handle is made of sheet metal, the rectangular and elongated projection can be folded back according to its small

  side in common with the handle and thus form the clip in the manner of a pen clip.

  -2- The window which crosses the handle perpendicularly and its slot over almost its entire length has two parallel edges, the top edge and the bottom edge, as well as two ends, a front and a rear. The front end of this slot has a widening allowing in the position of use - blade extended - to pivot the spool thus constituting a safety device preventing the blade from retracting involuntarily. At the front end of the window, the bottom parallel edge has a slight angulation at so that, at the end of its travel, when it leaves the blade, the sprocket is pushed towards the top edge, thus causing the blade to come to lock against the face. internal of the long closed edge of the handle,

  which secures the blade with the handle in the use position.

  The widening of the window also has on its rear edge an "S" profile intended to form a system for blocking the sprocket when the latter is in the safety position.

to keep the blade out.

  The spray bottle can be formed by a small metal rod bent so as to close a

  zone crossing the blade and an area forming a pusher to exit or return the blade.

  Finally we can use this knife to weigh mail. Just slide the corner of the letter to be weighed into the front end of the knife and balance it on a finger, pencil or wrench. Graduations written on the handle will then be used to read

the weight directly.

  The accompanying drawings illustrate the invention: FIG. 1 shows the knife in perspective with the blade extended and the sprocket in the safety position.

  Figure 2 shows the profile bottle before mounting on the blade.

  Figure 3 shows the way the sprocket is mounted on the blade but the handle is not shown.

  Figure 4 shows the front end of the window.

  Figure 5 shows in perspective the side handle of its face carrying the clip.

  Figure 6 shows the mode of use in letter scales.

  With reference to these drawings, the device comprises a handle (I) having a long closed edge (2) a long open edge (3) a front end (4) a rear end (5) a

  slot (6) a window (7) and a clip (8).

  -3- The window has two parallel edges, a top edge (9) and a bottom edge (10) and two ends. Its front end has a widening (1l 1) an angulation next to the edge

  low parallel and an "S" profile (12) on the bitter part of the enlargement.

  The spray bottle (13) has a zone passing through the blade (14) and a pusher zone (15) used to handle the blade. -4-

Claims (8)

  1. Pocket knife with sliding blade and distal clip characterized in that it comprises a one-piece handle (I) having a slot (6) intended to receive the blade, a window (7) s perpendicular to this slot and in which slides a sprinkler (13). The spray bottle is transverse to the blade and is used to manipulate the latter without having to touch it directly, moreover it limits the movements of the blade in the slot, finally this device makes it possible to carry out   mounting the knife in a single operation without screws or rivets.   2. Device according to claim I characterized in that the one-piece handle (I)   can be formed by a rectangular sheet folded in two along its major median axis.   3. Device according to claim 2 characterized in that the clip (8) can be formed   by an elongated projection folded over the sheet metal of the handle.   4. Device according to any one of the preceding claims, characterized in that   that the front end of the window (7) has a widening (1 1) so that the bottle   can in blade extended position form a safety device by pivoting in this enlargement.   5. Device according to any one of the preceding claims, characterized in that   that at the widening (11) the bottom parallel edge (10) of the window has a slight angulation x towards the top edge (9)   6. Device according to any one of the preceding claims, characterized in that   that the rear part of the enlargement (1 1) has an "S" profile used to maintain the sprinkler in safety position.   7. Device according to any one of the preceding claims, characterized in that   that the spray bottle (13) is formed of a small metal rod folded so as to form a zone   (14) passing through the blade and a pusher area.   8. Device according to any one of the preceding claims, characterized in that   that graduations inscribed on the handle (I) allow the knife to be used as a scale letter.