EP0829284B1 - In-line skate with removable shoe - Google Patents

Description

The present invention relates to a roller skate comprising a chassis fitted with castors and a shoe removably attached to this chassis by fixing means ensuring the joining of the shoe to the frame, in a first place, by attachment by mutual longitudinal engagement part of the shoe and part of the chassis and, in a second place, by a fixing device toggle effect.

The invention relates particularly, but not exclusively, an inline skate.

Devices for removably fixing a skate to a shoe have been known for a long time, in especially for fixing ice skates to shoes that were also used for the walking or practicing other sports. In the patent CH 118 742 are shown a roller skate and an ice skate including, at the back, a claw engaging in the front face of the heel and, at the front, a clamp actuated by a lever and coming pinch the shoe laterally on its sides. The shoe described in US Patent 1,402,010 is also equipped with a clamp device actuated by a the sink.

In a more modern version, described in the patent US 3,918,729, the sole of the shoe is provided a metal plate with two front panels keyhole-shaped holes hooking on two skate tenons and, at the back, a hole bayonet in which an organ engages pad fixing rotary for fixing to shoe bayonet.

In US patent 5,507,506, the pad has, at the front, a first slide for the shoe and, at rear, a second slide and a spring lock longitudinally locking the shoe on the skate. The fixing device therefore does not include rotary organ, but the engagement of the shoe in the slides must be done precisely, so that there is no play in the binding.

In order to achieve a device for fixing particularly simple structure and easy to maneuver to allow the same shoe to be mounted on roller skate or ice skates, the FR patent 2,720,286 offers front hooking and, at the rear, by a system of levers mounted at the back of the shoe and now the shoe on the skate by kneepad effect. This fixing device requires at least two operations, i.e. hanging from the knee pad to the skate and closing that kneepad and a third maneuver if desired release the shoe from its fastening device. The knee brace further forms a protrusion at the back of the shoe.

The present invention aims to provide a device for quick, secure, convenient, and space-saving minimal.

The roller skate according to the invention is characterized in that the effect fixing device knee pad is located under the shoe and it includes a lock articulated on the chassis around a transverse axis and having a shaped end spout cooperating with a housing of the shoe, this lock capable of occupying two positions stable, i.e. an obliquely raised position, in which its beak is out of the housing of the shoe and a lowered position in which his spout is engaged in the housing of the shoe in a opposite direction to the sense of engagement of the first place hooking maintained engaged by the blocking of the knee pad and by exerting, on the one hand, pressure vertical and, on the other hand, a longitudinal thrust in the opposite direction.

The moving parts of the fixing device are therefore entirely located on the skate.

The attachment by fixed means will be preferably at the front of the shoe, but it could also be done on the back, that is to say in the heel area.

The advantage of the lock is that it exerts on the shoe as well a downward pressure which the plate on the skate that a longitudinal push in one direction opposite to that of the engagement of the fastening members fixed, which allows, by wedge and ramp effect remove any play in the binding.

According to particularly advantageous embodiments of the invention, the lock is in the form of a pedal, the lowering of which, for locking, is ensured by pressure exerted by the shoe. This allows for automatic fixing.
The pedal can be articulated at the end of a pair of toggle-effect levers or itself constitute one of the two elements of the toggle. In the first case, the locking of the kneepad is ensured by means of an auxiliary lever by means of which the middle articulation of the kneepad is passed beyond its unstable equilibrium point. In the second case, the first part of the kneepad is elastically axially compressible, which allows the median axis of the kneepad to pass to the other side of its unstable equilibrium point by simple pressure on the pedal. The use of a fairly strong spring and an adequate torque ratio ensure that the shoe is almost locked in the position fixed to the skate. It is however preferable to provide auxiliary locking means, in particular a lock coming to lock an auxiliary beak of the pedal or a lock coming to engage under the median articulation of the toggle joint.

In the case of a lock coming to lock a spout auxiliary pedal, this lock can be maintained in position locked by a spring and the spout auxiliary pedal may have a ramp him allowing the lock to be moved aside when lowering the pedal, which provides a lock automatic. It then suffices to connect the lock to a manual removal means to allow heaving skating.

la figure 1 est une vue schématique partielle de côté d'un premier mode d'exécution ;

la figure 2 est une vue de dessus de ce premier mode d'exécution ;

la figure 3 est une vue partielle de côté d'une deuxième forme d'exécution ;

la figure 4 est une vue de dessus de cette deuxième forme d'exécution ;

la figure 5 est une vue de côté, en coupe selon V-V de la figure 6, d'une troisième forme d'exécution ;

la figure 6 est une vue de dessus de la partie arrière de la fixation représentée à la figure 5 ;

la figure 7 est une vue partielle et en coupe selon VII-VII de la figure 5 ;

la figure 8 est une vue de côté d'une quatrième forme d'exécution ;

la figure 9 est une vue de côté d'une cinquième forme d'exécution ;

la figure 10 est une vue de côté d'une sixième forme d'exécution ;

la figure 11 est une vue partielle et en coupe selon XI-XI de la figure 10 ;

la figure 12 est une vue de côté d'une septième forme d'exécution ;

la figure 13 est une vue de dessus de la partie arrière de cette septième forme d'exécution ;

la figure 14 est une vue partielle et en coupe selon XIV-XIV de la figure 12 ; et

la figure 15 représente une version à verrouillage automatique de la septième forme d'exécution.

Other characteristics and advantages of the invention will appear during the description of examples of execution of inline skates made in relation to the appended drawing, in which:

Figure 1 is a partial schematic side view of a first embodiment;

Figure 2 is a top view of this first embodiment;

Figure 3 is a partial side view of a second embodiment;

Figure 4 is a top view of this second embodiment;

Figure 5 is a side view, in section along VV of Figure 6, of a third embodiment;

Figure 6 is a top view of the rear part of the binding shown in Figure 5;

Figure 7 is a partial sectional view along VII-VII of Figure 5;

Figure 8 is a side view of a fourth embodiment;

Figure 9 is a side view of a fifth embodiment;

Figure 10 is a side view of a sixth embodiment;

Figure 11 is a partial sectional view along XI-XI of Figure 10;

Figure 12 is a side view of a seventh embodiment;

Figure 13 is a top view of the rear part of this seventh embodiment;

Figure 14 is a partial sectional view along XIV-XIV of Figure 12; and

Figure 15 shows a self-locking version of the seventh embodiment.

The shoe shown in Figures 1 and 2 includes a chassis 1 with two parallel vertical wings la and 1b between which four castors are mounted three of which are visible in the drawing, namely the casters 2, 3 and 4. On this chassis 1 is fixed removably a shoe 6 in two places A and B. In this first embodiment, A is located in the rear area of the skate and B in the front area.

The fixing in place A is carried out by means of a lug 7 fixed to chassis 1 and directed towards the front, and a wedge-shaped housing 8, also directed towards the front, formed in part 9 of the shoe which can simultaneously constitute the sole of this shoe. As you can see in the plan view, lug 7 is divided in two by a V-shaped slot in which engages a middle wall 10 of shape matching shoe. Housing 8 is therefore itself divided into two parts by the wall 10 which is a centering member of the lug 7. On its underside, lug 7 has an oblique ramp 7a which is applied on an oblique ramp corresponding 8a of the housing 8.

In place B, the fixing is ensured by a lock 11 provided with a wedge-shaped spout 11a. This lock 11 is articulated, on the one hand, on the chassis around an axis transverse 12 and, on the other hand, around an axis 13 to the end of a first arm 14 articulated around a axis 15 at the end of a second arm 16 of which the other end is articulated on the chassis around an axis 17. The arms 14 and 16 constitute a toggle. The shoe has a housing 18, also shaped corner, into which engages the spout 11a of the pedal 11. The arm 14 is also integral, by its hinged end around the axis 13, of a lever 19 extending on the side of chassis 1, outside of this one. In the position shown in Figure 1, the nozzles 7a and 11a are engaged in the shoe and the knee joint 15 is located at the above the right connecting axes 13 and 17. The spout 11a of the lock 11 is fully engaged in the housing 18 of the shoe, with a certain tension because the arm 16 of the kneepad is in abutment against the edge front 20 of hook 7. Any lifting of the shoe, relative to chassis 1, is therefore impossible. The backward thrust exerted by the latch 11 has the effect of pressing the spout 7a into the housing 8.

To release the shoe, simply lower the lever 19, which has the effect of passing the joint 15 of the lock below the right connecting axes 13 and 17. The shoe can then be lifted from behind and released from latch 11 which is noted during this movement. In this position, the skate is also ready to receive the shoe for its fixation. For this purpose, the shoe is first of all engaged on the spout 7a, the front part of the shoe coming to rest on the chassis. To lock the fixing, simply raise the arm 19, which has effect of engaging the lock 11 in the housing 18 of the shoe and bring the knee brace into the position shown. It is of course possible reverse the fixing points A and B.

In the embodiment which has just been described, engaging the lock 11 in the housing of the shoe is made manually by means of a lever. It is however possible to use the shoe for operate this commitment and thus obtain a commitment automatic. The following figures show modes of execution of this type.

In the embodiment shown in Figures 3 and 4, places A and B are reversed relative to the figure 1. At the front, the chassis 1 is provided with a hook 21 in the form of a wedge coming to engage in a housing 22 of the shoe. At the back, a lock pedal shape 23, divided into two separate legs by a V-notch, engages in a housing 24 of the shoe, itself divided in half by one middle wall 25 V-shaped and engaging between the arms of pedal 23 to ensure centering of it. Pedal 23 is articulated at the end a 26/27 knee brace similar to the knee brace previous. When putting on, the pedal 23, raised, is lowered by the upper wall of the housing 24 and automatically engages in housing 24.A lever 28 allows you to lock and unlock the knee brace 26/27. The spout 21 is itself made up a pair of spouts each cooperating with the housing 22 also ensuring centering at the front.

In the following embodiments, the pedal itself constitutes one of the toggle arms.

In the third embodiment shown in Figures 5 to 7, there is a chassis 1 having two parallel wings 1a and 1b between which are mounted four casters 2, 3, 4, 5. The two places of binding A and B are both in the heel area 30 of the shoe. In the front area, it is simply provided a guide consisting of a rib longitudinal trapezoidal 31 of chassis 1 engaged in a longitudinal groove 32 of corresponding profile provided in the shoe. Hanging in place A is secured by a wedge-shaped hook 33 secured chassis 1 engaged in a housing 34 of form corresponding to the heel of the shoe. In place B, the fixing is ensured by a pedal 35 provided with a first nozzle 35a coming to engage in a housing 36 of the shoe and apply, by its underside, against the bottom wall 36a of the housing 36 and a second spout 35b located below the first spout and forming an acute angle with this first beak. Pedal 35 is articulated on the chassis 1 around an axis 37 and it has an extension 35c beyond this axis, extension which constitutes one of the arms of a knee brace the other arm of which consists of a bar 38 sliding radially in a stud 39 mounted rotatably in the chassis 1 and a spring 40 working in compression between a flat portion of pad 39 and the widened end 38a of the bar 38. This arm of the toggle is therefore axially compressible. AT location A, centering is provided by the shape trapezoidal housing 34 of the shoe. AT place B, centering is ensured in the same way that in the second mode of execution, that is to say by a middle wall 41 in the form of a corner of the housing 36 engaging in a correspondingly shaped notch of pedal 35. Longitudinal positioning engagement is ensured by a transverse boss 42 of the semi-cylindrical frame cooperating with a correspondingly shaped groove provided in the shoe.

Before fitting, the pedal 35 is raised and the knee joint 43 is located on the right from its unstable equilibrium point and it is retained in position 43 'by a stop limiting rotation of the pedal 35. When the shoe comes to press on the pedal 35, this switches, its beak 35a slides on the soleplate in the direction of the housing 36 and, at a certain moment, the knee joint 43 exceeds its unstable equilibrium point and spring 40 accompanies then lowering the pedal. Some locking is thus already ensured, all the more effective that the spring 40 is strong and that the ratio active and resistant couples is favorable. Of so as to ensure real locking, an authentic lock 44 is provided, consisting of a bar crossing the chassis 1 right through through horizontal lights 45 and being able to be brought, by a simple push, above the face upper of the second beak 35b of the rocker. The unlocking is carried out by moving the lock 44 in reverse. The use of an auxiliary lock allows a spring 40 of reasonable strength allowing to put on and take off easily. In this mode of execution, so it is first of all the heel which is engaged in the hook 33. A positioning being already ensured by this commitment, the positioning 42 could be deleted. His presence has however, the effect of strengthening the fixation in the longitudinal direction.

Figure 8 illustrates the application of the fixing according to the invention has a skid with an auxiliary chassis and brake discs. The skate includes a main chassis 1 on which are mounted four casters 2, 3, 4, 5 and a auxiliary chassis 46 articulated on the main chassis around the axis 47 of the caster 4. The chassis auxiliary 46 is fitted with a pair of brake discs 48 rotatably mounted and coming into contact with the casters 4 and 5 when tilting backwards auxiliary chassis 46 around the axis 47, the discs 48 being discarded and coming to brake by friction against the walls of the main chassis 1.

Shoe 6 is fixed on the auxiliary chassis 46. At the front, the shoe has a recess 49 crossed by a transverse bar 50 which comes engage under the oblique face of a hook 51 integral with the auxiliary chassis 46. In the area rear, the shoe is attached by a device to kneepad similar to the device shown in figure 5. For simplification, the same references were used, although pedal 37 has a slightly different shape. The locking is again ensured by a bar transverse 44 sliding in lights 45 of the auxiliary chassis 46. Unlike the third embodiment, the bar 44 comes to lock the second spout 35b of the pedal 35 by engaging in a groove 52 formed at the end of this beak.

The fifth embodiment, shown in Figure 9 is a variant of the fourth embodiment. In this variant, the locking bar 44 is mounted at the end of a bar 53 hinged around an axis 54 at the end of a first arm of a lever 55 articulated around an axis 56 at the rear of the chassis auxiliary 46. The arm 55a of the lever 55 and the bar 53 also constitute a kneepad. In the position shown, the kneepad is blocked by the coming in arm stop 55a against a stop 57. The articulation 54 is slightly below its equilibrium point unstable. To unlock pedal 35, simply push the lever 55 down by pressing this one as indicated by the arrow, which has for effect of pulling back the locking bar 44 which can move in the lights 45 which are here aligned with the hinge pin 56 of the lever 55.

The sixth embodiment shown in Figure 10 is an application of the fixing means shown in FIG. 8 on a skate without an auxiliary chassis. The hook 51 and the kneepad are therefore fixed, respectively articulated on the chassis 1. The locking is ensured here by a slide 58 rider-shaped profile sliding on the chassis 1, overflowing on each side of the chassis. Guidance of this slide 58 is secured by two tenons 59 integral with chassis 1 and engaged in two lights longitudinal 60 provided in the cheeks of the slide 58. The locking is ensured by the end 58a of the slide 58 engaged under articulation 43 of the knee pad. To lock and unlock, it it suffices therefore to move the slide 58.

The seventh embodiment shown in Figures 12 to 14 use the pedal of figure 5 and the hooking before Figure 4 slightly changed in shape. The locking bar 44 of the pedal 35 is attached to the end of a bar 61 of which the other end is articulated on a lever of the second kind 62 articulated at 63 on the chassis 1. The locking and unlocking is effected by actuation of the lever 62.

The pedal 35 is shown in the open position at 35 'mixed line. In the open position, raising the pedal 35 under the thrust of the spring 40 is limited by a stop 70. Such a stop is of course also present in the execution modes according to the Figures 5 to 11.

By considering figure 12, we realize that is possible to carry out an automatic locking in shaping the spout 35b of the pedal 35 in such a way move aside lock 44 when lowering the pedal 35 by compressing a spring tending to maintain the latch 44 in the locked position. A such a variant is shown in FIG. 15.

The second spout 35b of the pedal has a ramp 35c on its lower side. The bar 61 is retained, in traction, at a point 64 of lever 62, but it can move back freely relative to lever 62. A spring 65, working in compression, is disposed between the latch 44 and a stop 66 fixed to the chassis 1. When the descent of the pedal 35, the ramp 35c spreads the latch 44 which is then pushed back by spring 65 in a groove 35d of the pedal 35.

The lock 44 could of course lock the spout 35b as shown in FIG. 12.

Claims (15)

1. Roller skate comprising a chassis (1) consisting of at least one part equipped with rollers (2, 3, 4, 5) and a boot (6) fixed releasably to this chassis by fastening means which secure the boot to the chassis, at a first location (A) by hooking effected by the mutual longitudinal engagement of a part of the boot (9) and a part of the chassis (7), and at a second location (B) by a toggle-effect fastening device, characterized in that the toggle-effect fastening device is located in the chassis under the boot and comprises a latch (11; 23; 35) which is articulated to the chassis about a transverse pin and has a pointed end (11a; 23a; 35a) that interacts with a housing on the boot, this latch being capable of occupying two stable positions, namely an obliquely raised position in which its point is out of the housing on the boot, and a lowered position in which its point is engaged in the housing on the boot, in the opposite direction to the engagement at the first hooking location, and kept engaged by the blocking of the toggle joint by exerting, on the one hand, a vertical pressure and, on the other hand, a longitudinal thrust in the opposite direction.
2. Skate as claimed in claim 1, characterized in that the latch (11) is furthermore articulated to the end of a pair of toggle-articulated bars (14, 16).
3. Skate as claimed in claim 2, characterized in that it comprises a lever (19) linked in rotation with one of the bars of the toggle joint for actuating the toggle joint in order to bring it into a blocking position.
4. Skate as claimed in claim 1, characterized in that the latch is in the form of a pedal (23; 35) which is lowered by pressure of the boot.
5. Skate as claimed in claim 4, characterized in that the pedal (23) is articulated to the end of a pair of toggle-articulated bars (26, 27) and it comprises a lever (28) linked in rotation with the toggle joint for actuating the toggle joint in order to bring it into a blocking position.
6. Skate as claimed in claim 4, characterized in that the pedal (35) has a second point (35b), located under the first point (35a) and forming an acute angle with this first point, and it constitutes one of the arms of the toggle joint, the other arm (38) being elastically compressible axially so that the toggle effect is obtained automatically when the pedal is lowered.
7. Skate as claimed in claim 6, characterized in that it comprises auxiliary means (44; 58) for locking the pedal.
8. Skate as claimed in claim 7, characterized in that the auxiliary locking means consist of a latch (44) which slides in the chassis and locks the second point (35b) of the pedal.
9. Skate as claimed in claim 7, characterized in that the locking means consist of a sliding latch (44) mounted at the end of an auxiliary toggle joint (53, 55a).
10. Skate as claimed in claim 7, characterized in that the locking means consist of a latch (58) which slides on the chassis and engages under the articulation (43) of the toggle joint.
11. Skate as claimed in claim 8, characterized in that the sliding latch (44) engages between the points (35a, 35b) of the pedal, and it is secured to a manually actuable lever (62).
12. Skate as claimed in claim 11, characterized in that the lower side of the second point (35b) of the pedal has a ramp which can push away the sliding latch (44) when the pedal descends, and the sliding latch is pushed in the direction of the pedal by a spring, so that locking is obtained automatically when the pedal is lowered.
13. Skate as claimed in one of the claims 1 to 12, characterized in that the hooking at the first location (A) has at least one ramp which presses the boot against the skate.
14. Skate as claimed in one of the claims 1 to 13, characterized in that the two fastening locations are in the heel region, and the skate and the boot have longitudinal guide means (31, 32) in front of the heel.
15. Skate as claimed in one of the claims 1 to 14, characterized in that, at at least one of the two securing locations, the fastening means have means (10; 25; 41) for centering the boot on the skate.

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