WO2014162022A1

WO2014162022A1 - Holding device for work benches and other uses

Info

Publication number: WO2014162022A1
Application number: PCT/ES2014/000055
Authority: WO
Inventors: José Antonio TEJERO LÓPEZ
Original assignee: Tejero López José Antonio
Priority date: 2013-04-03
Filing date: 2014-04-02
Publication date: 2014-10-09
Also published as: ES2503517B1; ES2503517A1

Abstract

The invention relates to a holding device for work benches and other uses, which is embodied on the basis of a vertical support (2) and a horizontal mobile arm (6) that can be rotatably moved around the vertical support (2) and longitudinally displaced, with a holding head (7), and comprises means for attaching to the edge of any board (3'), consisting of an accessorial coupling part (4), a holding dog (15) comprising a groove (15a) in order to fit rounded elements such as bars or rods, a foldable or retractable actuating handle (14), a brake mechanism that fixes the position of the horizontal arm (6) in relation to the vertical support (2), and a complementary platform (18) for increasing the actuating surface.

Description

HOLDING DEVICE FOR WORK BANKS AND OTHER USES

D E S C R I P C I O N OBJECT OF THE INVENTION

The invention, as expressed in the statement of the present specification, refers to a clamping device for workbenches and other uses, which contributes, to the function to which it is intended, several advantages and novelty features that will be described. in detail later and that represent a significant improvement over the systems currently known for the same purpose.

More in particular, the object of the invention is centered on a clamping device of the type that is used in workshops or works and constructions to maintain, duly subject, pieces or elements of different kinds on which it is to act with tools or devices in different types of work, for example cutting or machining, said device being specially designed to be able to be attached to tables and workbenches or other surfaces, as well as equipped with movable and articulated elements in the three space planes, to be able to adjust to different needs, which presents a series of innovative features in its structural configuration that improve its effectiveness and versatility compared to other similar clamping devices on the market.

FIELD OF APPLICATION OF THE INVENTION The field of application of the present invention is part of the industry sector dedicated to the manufacture of tools and work tools, particularly focused on the field of hand tools intended to fix, join, unhook or keep.

BACKGROUND OF THE INVENTION

As a reference to the state of the art, it should be noted that the applicant himself is the holder of the invention patent ES2200669B1, referring to a "portable workbench", in which a bank is disclosed which, in addition to a highly robust frame, bearing a table-plate, it comprises a device that holds the pieces to be machined of the type described herein, which comprises a vertical support and a horizontal arm capable of communicating to the pieces three fundamental movements: vertical, rotating in its plane with respect to the vertical and horizontal axis.

Said device, however, although it satisfactorily fulfills the objectives of subjection pursued, it presents a series of aspects that can be improved, among which it is worth mentioning the fact that it is intended only to be fixed on the workbench and is not possible its use on other surfaces, or the fact that it does not have means to properly hold curved or cylindrical elements, such as bars or rods.

The objective of the present invention is therefore to develop an improved clamping device that incorporates such aspects as well as other advantages, it should be noted that, at least by the applicant, the existence of any other clamping device or application invention is unknown. similar to presenting technical, structural and constitutive characteristics similar to those presented here, as claimed.

EXPLANATION OF THE INVENTION

Thus, the clamping device for workbenches and other uses that the present invention proposes is configured as a remarkable novelty within its field of application, since in accordance with its implementation and in a restrictive way the aforementioned objectives are satisfactorily achieved, being the characterizing details that make it post and distinguish it, conveniently included in the final claims that accompany the present specification.

Specifically, what the invention proposes is a clamping device that is configured from a vertical support capable of being able to anchor directly on the workbench but, in addition, optionally, also removably to any surface, board or table, by using an accessory coupling piece.

Following the characteristics of the invention, it should be noted that said vertical support is linked to a mobile horizontal arm, there is a spring that cooperates in its position in height and has a rotating movement as well as longitudinal displacement, so that the clamping head provided at the end of the arm is It can vary in the three planes of the space to hold the elements on which you want to act.

T * or its part, said head, comprises an L-shaped lever and an eccentric mechanism which, by rotating it by means of an actuating handle of which it is provided, facilitates the tightening of the element to be held, since it determines the effort made on the lever and it is on the element, also contemplating a clamping stop which, in addition to being a softer material than the rest of the conforming parts of the device, which are metallic, for example Nylon, thus avoiding possible friction with The elements to be fastened, is designed to press on flat surfaces of said elements to be fastened and so that it can also be adapted to round elements, such as bars or rods, and to facilitate the fastening of said type of elements.

Advantageously, and according to another feature of the invention, said actuation handle of the eccentric mechanism available to the recommended device is a retractable and foldable handle, in order to minimize the space of the assembly in its transport and storage when not in use. .

The device also has a brake mechanism that fixes the position of the horizontal arm with respect to the vertical one, avoiding unwanted movements of movement of said arm when, for example, it is acting to mechanize a piece or element while maintaining subject, thus reinforcing the effectiveness of holding the device. Finally, it should be mentioned that the recommended device contemplates the incorporation of a complementary platform that allows it to expand its field of action, especially when it is fixed coupled to the edge of a board by means of the aforementioned accessory accessory piece, in such a way that said platform it allows the fastening of elements by the external part of the edge of the said board to which the device is attached.

For this, said platform is arranged embedded in the vertical support under the spring so that it can rotate, and can thus be placed in the convenient direction and, depending on where the assembly is placed, can rotate 360 °. It is therefore found that the described clamping device for workbenches and others uses represents an innovative structure of structural and constitutive characteristics unknown until now for the purpose it is intended, reasons that together with its practical utility, provide it with sufficient grounds to obtain the privilege of exclusivity that is requested.

DESCRIPTION OF THE DRAWINGS

To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, this descriptive report is attached, as an integral part thereof, of a set of drawings, in which with character Illustrative and not limiting, the following has been represented:

Figure number 1.- Shows a side elevation view of an embodiment of the holding device for workbenches and other uses, object of the invention, which has been shown in a fixed position on a workbench board, Appreciating in it the main parts and elements that it comprises.

Figure number 2.- Shows a top plan view of a portion of the device, according to the invention, specifically that corresponding to the mobile horizontal arm, so that the parts and elements that comprise it can be seen therein.

Figures 3 and 4.- They show two perspective views of the clamping device for workbenches and other uses, according to the invention, fixed to the edge of a board by means of the accessory coupling part,

Figure number 5.- Shows a perspective view of the detail of the device corresponding to the coupling between the lower threaded section of the vertical support to the accessory coupling piece that allows its attachment to any board. Figure number 6.- Shows a side elevation view of the accessory coupling part, its particular configuration being appreciated therein.

Figure number 7.- Shows a perspective view of the complementary platform that contemplates the device of the invention. PREFERRED EMBODIMENT OF THE INVENTION

In view of the aforementioned figures, and in accordance with the numbering adopted, an example of preferred but not limited embodiment of the clamping device for workbenches and other uses, object of the invention, which can be observed It comprises the parts and elements indicated and described in detail below.

Thus, as observed in said figures, the device (1) in question is configured from a vertical support (2) consisting of a rod, with the threaded lower end (2a) allowing, or its anchoring on the Workbench board (3), conveniently inserted in a threaded hole provided for that purpose in said board, as shown in Figure 1, or its anchor to the edge of the board (3 ') or flat surface of any table or furniture , inserted in an accessory coupling part (4), as shown in Figures 3, 4 and 5, whose particularities will be described later.

In any case, said vertical support (2) is inserted in a helical spring (5) that cooperates in the posidoning in height of a horizontal mobile arm (6) that has a rotating movement around the vertical support (2) as well as of longitudinal displacement, existing at the end of said arm a clamping head (7).

The main mission is the automatic unlocking of the horizontal mobile arm (6) when the pressure exerted by an eccentric part on a lever provided on the end of said arm is removed, as will be explained below, which gives a great speed of operation of the joint, leaving the piece to be treated free of pressure immediately.

For this, said arm comprises a first orthopedic piece (8) with a vertical perforation (8a) for its coupling at the upper end of the vertical support (2) and horizontal perforations for the insertion, with the possibility of longitudinal sliding, of two rods (9 ) parallel, which, at its opposite end incorporate a second orthopedic piece (10) to which the pieces that form the head (7) are attached.

Specifically, said head (7) comprises an L-lever (11) whose smaller section is housed in a rectangular recess of the second orthopedic piece (10), and which is articulated with it by means of a pin (12), and a mechanism eccentric formed by an eccentric (13) that has a drive handle (14) and that is inserted in a support rod of the said second orthopedic piece (10), so that said eccentric (13) acts on the greater section of said lever in L (11), transmitting pressure on it that will serve to hold the desired elements, which is carried carried out by means of a stop (15) that, made of Nylon or other similar soft material, is fastened by screwing to the lower distal end of said major section of the L-lever (11).

This stop (15) preferably has a circular plantar configuration but also has a groove (15a) in its lower base designed for adaptation to round elements such as rods or rods.

Optionally, the described L-lever (1 1) may be replaced by a flat lever, in which case it is attached at the bottom of the second orthopedic piece (10).

On the other hand, the handle (14) for driving the eccentric mechanism is foldable and retractable, as shown in Figure 4, as it is divided into two sections articulated with each other and held by a bushing (14a).

It should also be noted that a brake mechanism is contemplated that fixes the position of the horizontal arm (6) with respect to the vertical support (2), which materializes in a latch (16) which, operable by means of a lever (17), press the vertical support (2) inserted in the first orthopedic piece (8) of the horizontal arm (6), when pushed through a rear hole provided in said piece.

As noted above, the device (1), in addition to being fixed to the workbench board, can be attached to the edge of any board (3 ') or flat surface, for which the threaded section of the lower end (2a ) of the vertical support (2) is inserted into an accessory coupling part (4), which, as shown in figures 5 and 6, is configured, as a jaw, from a C-plate (4a) with a captive screw (4b) and a threaded housing (4c) suitable for receiving said threaded lower end (2a) of the vertical support (2).

Finally, the device (1) incorporates, optionally, a complementary platform (18) that, with a preferably rectangular plantar configuration and with a hole (18a) close to one of its ends, allows to expand its performance thereof when it is fixed coupled at the edge of a board, by inserting the lower end (2a) of the vertical support into the housing (4c) of the accessory attachment piece (4) through said hole (8a) of said platform (18).

Describing sufficiently the nature of the present invention, as well as the way of putting it into practice, it is not considered necessary to extend its explanation so that any expert in the field understands its impact and the advantages that derive from it, stating that, within its essentiality, it may be implemented in other embodiments that differ in detail from that indicated by way of example, and to which it will also achieve the protection that is sought as long as it does not alter, change or modify its fundamental principle .

Claims

1. - HOLDING DEVICE FOR WORK BANKS AND OTHER USES which, being of the type that is configured from a vertical support (2) consisting of a rod, with the lower end (2a) threaded and inserted into a helical spring ( 5) cooperating in the height positioning of a horizontal mobile arm (6) with rotary movement around the vertical support (2) and longitudinal displacement, there being at the end of said arm a clamping head (7), where said arm comprises a first orthopedic piece (8) for attachment to the vertical support (2) and two rods (9) with the possibility of longitudinal sliding, at the opposite end of which they incorporate a second orthopedic piece (10) with the head (7), and where said head (7) comprises a lever in L (11) or flat that is fixed to the second orthopedic piece (10), and on which it acts, transmitting the necessary pressure on it to hold the desired elements, an eccentric mechanism formedby an eccentric (13) with a drive handle (14), it is characterized in that, in addition to being fixedly fixed to the table of a workbench, it incorporates means to be able to be attached to the edge of any board (3 ') or flat surface ; because, to hold the different elements, it incorporates a stopper (15), which is arranged subject by screwing to the lower distal end of the L-lever (11); and because said stop (15) has a groove (15a) in its lower base designed for adaptation to round elements such as bars or rods.

2. - CLAMPING DEVICE FOR WORK BANKS AND OTHER USES, according to claim 1, characterized in that the clamping stop (15) is made of Nylon or other soft material, unlike the rest of parts that are metallic.

3. - CLAMPING DEVICE FOR WORK BANKS AND OTHER USES, according to claim 1 or 2, characterized in that the eccentric actuation handle (14) (13) is foldable and retractable.

4.- HOLDING DEVICE FOR WORK BANKS AND OTHER USES, according to any of claims 1-3, characterized in that it incorporates a brake mechanism that fixes the position of the horizontal arm (6) with respect to the vertical support (2).

5.- HOLDING DEVICE FOR WORK BANKS AND OTHER USES, according to any of claims 1-4, characterized in that the means to be pruned fasten to the edge of any board (3 ') consists of an accessory coupling piece (4), which is configured, as a jaw, from a C-plate (4a) with a captive screw (4b) and a threaded housing (4c) suitable for receiving the lower end (2a) of the vertical support (2).

6. CLAMPING DEVICE FOR WORK BANKS AND OTHER USES, according to claim 5, characterized in that it incorporates a complementary platform (18) which is provided with a hole (18a) close to one of its ends through which the vertical support (2) inserted in the housing (4c) of the accessory coupling part (4).