ES2317725B1 - FIRST ADDITION TO THE PATENT P200501312 BY TENAZA. - Google Patents

Abstract

First Addition to Patent No. P 200501312 by: "Pincer", with two arms that are joined together by an axis of articulation (2).

One of the arms (20) consists of a protuberance (P) in which a lateral pocket has been made (6) which extends through one of the holes (O2), located in she a pusher (5) that has an inner pocket (51) in the that a spring (4) is located that acts between the pusher (5) and the arm (20).

The articulation shaft (2) is joined by screwed to the pusher (5) in the side pocket area, disposing coaxially with each other and in mechanical continuity, a toothed nail (1). The pusher (5) is continued in a extension (52) that is located in the walls of the other hole (O_ {2}) in the work position.

Application in hand tools.

Description

First Addition to Patent No. P 200501312 by: "Pincers".

The object of the invention relates to pincers of those employed, for example, in plumbing, and structured according to P200501312.

The purpose of this Addendum, while maintaining the advantages of the main patent, it offers a more construction simplified, eliminating the socket that was sandwiched between the nail and pusher.

To better understand the purpose of this invention, a preferred form of practical realization, susceptible to accessory changes that do not distort its foundation.

Figure 1 represents a general view in elevation of a pincer according to the invention for an example -no Limiting - practical realization.

Figure 2 represents a general view in perspective of the regulation axis (2) with the other elements -uña toothed (1), spring (4) and pusher (5) - available mounting.

Figure 3 represents a general section enlarged, according to indication A: A of figure 1, in the position of regulation, in which the extension (52) of the pusher (5) is positioned in the torn window (V).

Figure 4 represents a general section enlarged, according to indication A: A of figure 1, in the position of work, in which the teeth (11), (101) are maintained geared

An example of practical, non-limiting embodiment of the present invention.

The object of the invention relates to a pincer of those constituted by two arms, one male (10) and another female (20) that carry the respective jaws of the mouth; being told arms (10), (20) joined together by an articulation shaft (2) which, constituted in the axis of rotation of the female arm (20), is multi-position staggered in a torn window (V) of the male arm (10) to vary the size of the pincer's mouth.

In a known way, the female arm (20) defines a first hole (O1) and a second hole (O2) coaxial on which the articulation shaft (2) is mounted, which carries a toothed nail (1) that may or may not engage with a toothed (101) defined in the torn window (V) of the male arm (10).

In accordance with the invention, and according to the represented embodiment:

The female arm (20) involves a protuberance side (P) in which a side pocket (6) has been made, coaxial with the two holes (O1), (O2) of the female arm (twenty).

The articulation axis (2) defines at one end a head (C_ {2}), with a perimeter shoulder (22) and a seat internal (21) and, at the other end a threaded area (23). Preferably, the shoulder (22), the seat (21) and the threaded area (23) are successively smaller in diameter: The protrusion (22) of greater diameter than the seat (21); both of larger diameter than the area central axis (2) and all of larger diameter than the extreme zone threaded (23) - although this geometry is not limiting, and its alteration does not alter the essence of the invention.

A toothed nail (1) is arranged in the area center of the shaft (2) making a lateral stop against the seat (21). Said toothed nail (1) forms outer teeth (11), liable to engage or not in conjugated teeth (101) provided in the torn window (V) of the male arm (10).

A threaded pusher (5) is arranged in the area extreme (23) of the shaft (2). Said pusher (5) coaxially defines an inner pocket (51) and an extension (52) internally orified (50) and extending beyond its head (C_ {5}), in which said inner pocket (51) is formed - see figures 3 and 4-.

The internal hole (50), threaded in its bottom, threadedly admits (23) to the shaft (2) without threading the extension (52) of the pusher (5) escorting the central area of the shaft (2) and making a lateral stop against said toothed nail (1), in mechanical continuity.

Particularly, the toothed nail (1) and at least the extension (52) of the pusher (5) is made of resistant material to wear

An internal spring (4) is arranged that acts between the pusher (5) and the female arm (20): coaxially housed in said cashiers (6), (51) and acting in opposition to their bases, tends to separate the pusher (5) from the female arm (20) and, consequently, it tends to hold the axis (2) in a position extreme in which the toothed nail (1) keeps its teeth (11) meshed on the conjugated teeth (101) provided in the window torn (V) of the male arm (10).

The holes (O1), (O2) of the arm female (20) are of different diameters and, respectively, conjugates of the shaft (2) in its seating area (21) and of the extension (52) of the pusher (5). In particular, the diameter of the first hole (O1) is larger than the diameter of the second hole (O2).

With this structuring and assembly, a simple manual pressure on the pusher (5) compresses the spring (4) and moves the shaft (2) together with the toothed nail (1) mounted on it, until the teeth (11) of the toothed nail (1) are released from the teeth (101) of the male arm (10). While holding down the pusher (5), its extension (52) remains facing the teeth (101) and said extension (52) can move freely in the window (V) together with the shaft (2) and female arm (20) to vary the size of the pincer's mouth.

Claims (4)

1. First Addendum to Patent P200501312 by pincer, with two arms, one male (10) and another female (20) that are joined together by an articulation shaft (2); and where the female arm (20) is stepwise adjustable in a torn window (V) of the male arm (10) to vary the size of the pincer mouth; defining in the female arm (20) a first hole (O1) and a second hole (O2) coaxial in which the articulation shaft (2) is mounted, which has a toothed nail (1) that , depending on whether it is in the working position or in the regulating position, it may or may not engage with a gear (101) defined in the torn window (V) of the male arm (10); characterized because:

to)

He female arm (20) consists of a protuberance (P) in which it has practiced a side pocket (6) that extends for the second hole (O2), a pusher (5) being placed in said pocket (6) which has an inner pocket (51) in which a spring is located (4) acting between the pusher (5) and the female arm (twenty).

b)

He articulation shaft (2) is connected by bolting to the pusher (5) in the side pocket area (6), being coaxially arranged between they and in mechanical continuity, a toothed nail (1).

C)

He pusher (5) is continued in an extension (52) in continuity mechanics with fingernail (1) and shaft (2), which is located on the walls of the second hole (O2) in the working position.

2. First Addition to Patent P200501312 by pincer, according to claim 1, characterized in that the diameter diameter 1 of the first hole (O 1) is greater than the diameter diameter 2 of the second hole (O 2) }): \ diameter_ {1}> \ diameter_ {2}. 3. First Addition to Patent P200501312 by pincer, according to claims 1 and 2, characterized in that the first hole (O1) defines a seat (201) in which, in working position, it supports a conjugate shoulder (22) of the shaft (2); so that the head (C) of the shaft (2) does not protrude from the side face of the female arm (20). 4. First Addition to Patent P200501312 by pincer, according to previous claims, characterized in that the toothed nail (1) and, at least, the extension (52) of the pusher (5), are made of wear-resistant material.