DE1678260A1 - Ski binding - Google Patents

Description

41767

Priority: patent application United States

Ser.No. 608 315 BC 10.1.1967

Applicant:

Bernard ϋ Berlenbach Mill Valley, CaI. Ski binding

The invention relates to ski bindings and in particular to those bindings which cause a ski boot to be released when the binding is acted on by a reaction force the magnitude of which exceeds a predetermined threshold value.

J) Ie invention of creating a compact ski binding, which is suitable for releasing a skier's boot when fast-acting reaction forces act on the boot, that are above the threshold of binding. Furthermore, a binding is to be created which also responds to slowly acting forces which only slightly exceed the threshold value of the binding, but which act on the skier's boot over a relatively long period of time. 109847/0337

BATHROOM ORIGlNAt.

Ski bindings are designed so that they release when external forces acting on the binding exceed a preselected threshold value yielding means is held, for example by a movable piston which slides in a bore which is auegebilden in a body, the piston being responsive to the action of a relatively strong compression spring which presses the piston against a correspondingly shaped nook surface that is firmly attached to the ski board · The threshold value of each binding is adjustable by changing the compression of the leather · In the case of nuts , when the skier falls out of the upright position, external forces are absorbed, which the skier 's boots act on the bindings, if such The bonds work with force far above the threshold Usually quick, precise and easy "The piston head runs quickly along the adjacent looseness, depending on the external forces acting" when the binding reaches a position which is within a measurable distance from the lowest or lowest position of the piston , the boot of the 3kifanrera rom ski board is released.

* · I · * have been found that auon when using a legible binding, serious deletions often occur when the skier falls. Ai is believed to be

'' BAD ORiGiNAL

natural sprinkling in many such accidents of a skier contributes »his equilibrium again win after initially losing the stable position · If the driver begins to fall, his » natural aspiration to "fight" to regain one's equilibrium. During this period of time the can last several seconds, the reaction forces can only slightly exceed the threshold value of the binding,

However, lasting for a relatively long period of time "Bar-like forces are extremely dangerous, even if they exceed the threshold value only slightly, since the bonds do not break as they should, due to inaccuracies in their manufacture and operation." Accordingly, the Reaction forces last a sufficient amount of time to cause serious injury to the skier. It is assumed that this type of injury results from the fact that the bones and other supporting organs of the skier's body become fatigued when the action of the action lasts for a relatively long period of time. Since inexperienced skiers lose their balance more often, such injuries occur more frequently them on · De * »

Correspondingly, the driver is forced to set the threshold value of his ties to a minimum value, among other things, ensure that they work correctly under all circumstances. Going in such a gate serves as a compensation for the fact that it is not possible, sioh to rely on

BATH ORIGINAL

that the binding is accurate and reliable for a boot releases certain threshold value

The present invention creates a precision sack binding which has a carrier base. which can be placed on a ski board, and also a body with a hold! To connect ski boots to the board in a detachable manner »The body is sunk with a vertical hole» in the Trunnion is fitted to position the body with respect to the support base. In a central recess are a mock link and also means for viewing the Recess against the ingress of any kind of dirt and Foreign bodies from outside the body placed in a second horizontal hole, which is the vertical hole cuts »a cam follower is fitted, which is slotted, on over a central section of the pivot» see below grab * the cam follower is provided with a head to which a bolt is arranged, which is in contact with the curse of the jockey link. Me fiookenrolle 1st auoh arranged to be rotatable by means of a head, which swivels «Obm for From Pistons

S «teen external forces act on the boot of the skier.

-j ken »which are above a threshold value for the

Bonding is determined by spring means attached to the body

! ^ are supported on a cortex of the hook piston, occurs

one turn of the body and the cam roller tappet in »

BATH ORIGINAL

The cam roller can roll with minimum resistance on the surface of Nookengliedes "when the cam follower against the cam member pivoted _o

The Nookenflache let with respect to the axis of the Hookenstößals concave and has a surface shape » which changes along a fly and according to the length of this rfeges that the nooken roll traverses to relative To compensate for changes in the state of the spring means when the binding releases the üki boot from the board. Accordingly, when the cam roller is at its Pivoting movement over the cam surface to release the ski boot from the binding and moved from the board, resistance forces »which counteract the external forces» remain essentially constant until released, regardless of an increase in the net force of compression Spring device «

The cam surface is provided with a flat base plate which is connected to and detachable from the cam surface the carrier plate is arranged »so that it is fixed to this during the release of the bond, but lends itself

ο it can be removed if a substitution is made wishes is.

o Further advantages and features of the severance pay result

u> from the following description and drawings, in which preferred embodiments of the invention

BATH ORIGINAL

- 6 - for example, explained and shown are * JSs show:

Fig. 1 is a partially sectioned side view a ski binding according to the invention, which is arranged on a ski board, to when exposed to Forces to release a ski boot from the board,

FIG. 2 shows a section along the line 2-2 of FIG. 1

to illustrate a pivotable cam · »roller tappet that is in contact with the. Section of the nooker link of the binding stands up » where there is no change in the ram position,

Fig «3 shows a further section along a line which

parallel to line 2-2 of the pig. I runs, where the pivoting cam roller tappet in contact with the Hebe- or Anatiegaabeohnitt of the MookengLiedee is shown to illustrate the release state of the bond,

Figure 4 is a diagrammatic line view of the Pig's curling roller shaft. 1-3 and

5 and 6 are sectional views of two embodiments dee lookenrolle stefiels of the invention

cd binding nir annulment of oaf provision

^ - for the look roll.

BiXLB according to the invention ski binding 10, which holds a ski boot U "releasably on a ski board 12, is shown in FIG. 1 in a

preferred embodiment shown. The sole de

BATH ORIGINAL

The boot 11 is in engagement with a toe holder 19 », the arrangement allowing a rotary movement about the pivot pin 20. The boot is pressed into contact with the toe holder 19 by suitable power devices which are arranged on the heel section of the boot and may consist, for example, of a strap and a poop spring, which are not shown. A spring-loaded stop 22 holds the toe holder 19 opposite the front section of the binding and enables the toe holder to pivot in relation to the binding so that the boot is not wedged between the binding and the pressure device at the heel of the boot. When the skier begins to lose his upright stable position and falls, external forces flow through his boot on the binding. “However, when the skier tries to regain his balance and upright position, external forces boldly act slowly o If they also act have a small size, which is approximately just above the threshold value of the binding, the binding could fail due to inaccuracy in the form of the binding affiliation. Obviously , dtr skiers,

° if the bond does not break, seriously lose it "

o lim to bring about the release of a ski boot from the board as a function of fast-acting forces and also of slow -acting forces, regardless of how far they are

exceed the threshold value, the invention has r-x ^ ß Ski binding 10 a carrier plate 25 on »die.by screws 27 is firmly arranged on the board 12 * The central body 26 can be swiveled by means of the pivot pin 21 the carrier plate 25 arranged.

The central body 26 is with the toe holder 19 by the for fastening serving pivot pin 20 connected, which is held by a pair of projections 28 extending in the longitudinal direction. The midsection of the body is provided with a vertical bore 29 which receives the pivot pin 21 "Fig", 1 shows that the lower End of the pin 21 is fixed in the support base plate 25 in a suitable manner to allow pivoting of the releasing element of the part 26 normal to the board.

The vertical bore 29 is in the area of the pin 21. cut through the horizontal bore 30. This connects the trough-shaped recess 31 in the interior of the body 26 with its front aide · The recess 31 contains a Book link 32 «that is flat on axis A of the horizontal _ ^ the right hole 30 is located perpendicularly extending Jfookenflache 33 of the book link 32 extends over almost

.ρ- the role of the recess 31 «£ in your lookenf pool

* - * normal looking flat base 34 is at the υ ^ βΓ- Ο

^ The edge of the height is molded and firmly attached to the base of the carrier plate 25 connected. Although the cooker member 32 compared to the Support plate 25 and the ski board 12 is fixed, it can easily

BATH ORIGINAL

be renewed if it has become unusable due to dirt, etc. For this purpose, the pin 21 is removed from the carrier base plate 25 released and the body 26 pivoted out of contact with the carrier plate 25 «,

During normal use of the binding, the recess is 31 not open, so that dirt, snow and the like cannot easily penetrate. For that purpose she is closed along its lower edge by the sealing washer 37, the washer 37 has a flat section on, which is in contact with a correspondingly shaped surface of the recess 31 "e.g. a channel", In addition the disk 37 has a central bore through which the extension 38 of the base plate 25 extends. Bs can other types of fastening devices may also be selected if a more rigid form of assembly is desired is.

The cam roller follower 40 is slidably disposed within the horizontal bore and is provided with a cam roller - * 41, which acts on contact with the hook member

'■ ° pre-tensioned let. Except for the cam roller 41 is a tappet ^ part 42 is provided on which the cam roller ο medium · the axis 41 is rotatably mounted 43 perpendicular sum 8klco board is · The axis 43 is "aligned parallel to the pivot pin so that upon pivoting dee body 26 over the pin 21 the look roll 41 over the nose surface 93 bit with the least resistance running U

- ίο - ■

A spiral spring 44 is with the rear end of the weir, ·; - ; e ~ -s 42 on the JSr d e ι Ite- * contact remote from the nooken roller 41 · When the spring is pressed together within the bore, it holds the Hook roller in contact ... it the cam surface 33. -Bin plug 45 is screwed into the bore 30 so that it is in contact with the rear end of the W spring. This makes it possible to adjust the extent of the spring force and thus the threshold value of the binding by changing the position of the plug 45 with respect to the pin 21. The magnitude of the compressive force exerted by the spring forms a resistance force between the crouching surface 33 and the cam roller 41ι which counteracts the effect of external (torsional) forces which act on the skier's bindings via the skier's boots,

As the body 26 rotates, the cam follower 42 slide in the horizontal bore 30 while he is

simultaneously azimuthally opposite the pin 31 rotates »Sa is jedooh prevents he dad look around its symmetry axis rotates · As shown in Fig. 2 and 3, a slot is formed in its central region 48, hinduroh- through which the pin 21 ^ goes · The length of the slit 48 should be at least large enough to be oo, in order to allow a full longitudinal movement of the plunger Hockenrollen- -J 40 during use of the binding ,, ° the width of the slot is matched to the diameter of the peg 21% to form a sliding fit to enable · The axial arrangement of the horizontal and vertical holes

and the pin connection of the cam follower 40 to the pin 21 not only reduces the overall length of the binding to provide a more compact arrangement, but also allows the axis 43 at the forward end of the cam follower 42 to be in parallel alignment with the pin 21 during its longitudinal movement remain. Accordingly, the cam roller 41 slides on the cam surface 33 old geringstmögliclier Eeibungp regardless of the direction of the external forces which act on the cam follower roller ·

Fig. 4 illustrates the cam follower 42. The follower 42 ■ X st with elongated from cracks 49 formed at its rear end. These delimit an incision 50 in which the cam roller 41 sits _o The axis 43 holds the cam roller 41 rotatably in the. Section between the projections 49ρ where the axis of rotation is parallel to the dee Nooken ram 42 ρ -

Fig _s 2 illustrates the operation of the binding for the Lall that the acting external forces are below the Sohwellenwert the binding "of the cam roller follower 40 is located in the Txefstpunkt of curvature 56 of the Nockenfläohe 33, d" h "in J a position in which the Feather 44 opposite dMl Äooken- ^ member 32 its deepest level of energy. The KrUasung ^ of the cam surface 33 is with respect to the lockenrolleetößol

co 40 concave and preferably symmetrical to a horizontal one

to - ■

"^ Axis that coincides with axis A of bore 30 ο Any portion of the cam surface below or above theirs

* 12 -

The axis of symmetry begins at the lowest point curvature 1> 3 and ends at the edges 57 * of the cam surface ". In the plane of the cam roller plunger 40, between the lowest point or nadir curvature 56 and the edges 57 there is a path" through which the cam roller 41 runs during the use of the binding running · The binding releases the boot before the cam roller reaches one of the edges 57, but with the cam roller follower 40 moving. has rotated over an angle of 30 ° with respect to the nadir section 56 «

As Fig. 2 shows, when the Nooken roller 41 is at the lowest point of the curvature 56, the line of action of the spiral spring 44 coincides with the axis A of the bore 30 and the axis of symmetry of the cam member 32 _o It also goes through the pivot pin 21, the axis 43 and the line of contact 55 between the cam roller 41 and the cam surface 33 can also pass through the spring-loaded stop 22 which holds the toe holder 19 in relation to the body 26.

The adjustment of the effective length of the spring 44 and thus _ »The size of the threshold level of the bond is made by <o Rotation of the plug 45 »so that it is axially opposite

■ ι »the pivot pin 21 moves. The longitudinal axis of the plug ^ also coincides with the line of action of the leather 44 to hem,

~ j Mg. 3, the binding according to the invention is in the release state. Have external forces that are above the threshold

ÖAD ORIGINAL

acted on the binding over the skier's boot »The Uooken roller plunger 40 has undergone a rotation about the almost disposed pivot pin 21 with respect to the cam member 32 along a path bounded by the lowermost section 56 and the edges 57 and up to The release position shown goes «, _Ä In the release position shown, the cam roller plunger 40 forms an angle d with the axis of symmetry of the cam *» member 32ο The angle d is the azimuthal angle of the rotation between the axis A of the horizontal bore 30 and the axis of symmetry of the cam member 32 “If the angle d is equal to a predetermined »Vert, Z ₀ Be 30 °, the skier's boot is released from the binding» The line of action of the spring 44 coincides with the axis A of the bore 20 and goes through the pivot pin 21 and the spring-loaded Stop 22, which holds the toe holder 19 β against the body 26 »As the figure shows, is the toe holder 19 has also been rotated about its pivot pin 20 to compensate for the relative change in the axial position of the boot and the binding and to prevent the boot from becoming stuck as the body 26 rotates.

ο wedges ο

Between the Nadir Absohnitt 56 and the Aualöeeststellung the Binding takes the radial distance from pivot pin 21 to the line of contact 55 of cam roller 41 and Nookenflache 33 progressively from when the cam roller 41 along the

BATH ORIGINAL

ffookenfläohe 33 moves. The distance is at large ¹ : -nn the squat roller tappet 40 in the Hadir section 56 ei;, md has the smallest Jert in the opening position of the bend, the change in the curvature of the squat surface causes the hook roller tappet 40 an axial movement with respect to the bore 30 on the same side with its rotation about the fixed pivot pin 21 · Accordingly, the effective length of the spring 44 is shortened, the biasing force of the binding being increased. The reaction forces of the binding, which resist the external forces causing the rotation of the body 26, increase but according to the invention not with the rotation of the squat roller along the Vockenfläohe 33 · Rather, they remain essentially constant »until the azimuthal angle for the release of the binding is reached»

As Figo 3 shows, “lies in the release position of the binding the line of action of the spiral spring 44 no longer coincides with the Contact line 55 of the squat roller 41 in the squat surface 33 in alignment. Instead, it forms an angle with ß an axis lying normal to the crouching surface »watch the Contact line 55 and the shaft 43 intersects the oo curling roller 41 turned accordingly »if the -α Vooken roll 41 moves along the Hookenflache »the pressure- ° divided into two components by the force of the helical spring 44, "of which« in · normal and the other parallel to the cam » fläohe 33 goes. The component lying normal to the hook surface, which is proportional to the resistance forces of the binding

BATH

can be kept the same along the path of movement of the Noc -; 3> olle. The external forces which cause the rotation of the binding are therefore resisted by forces which remain constant over the path of movement of the cam roller 41, regardless of the fact that the total compressive force of the spring 44 increases progressively with the angular movement of the cam roller follower 40 . Between the nadir portion 56 and the Auslöseabsohnitt binding, the size of the angle Q varies progressively as a puncture of the size of the rotation angle of the Hookenrollenstößels 40, d "h _o dee angle d to the above-mentioned relationship _ö maintain In this regard, several factors are important »Which contribute to giving the angle Q the correct size as a function of the angle d. the outer shape of the cam surface 53 with Besag on % its axis of symmetry, the size of the cam roller 41 and the ^; Distance between the pivot pin 21 and the Hookenfläohe 33 in the Nadirabsohnitt dee Hooken member.

After the boot is released from the bond "orden" ^ hear both the angular and axial movement dea to Nookenrollenstößels 40 · The? Eder coil 44 remains Sm ~ j sueaaaengedrUokten state even if the äußerenKr & fte, dl · act on the bond , are now shell. Therefore, let ^ ₁ in the Spannungakraft a component present which a Ruokbewegung of Nookenrollenstößels 40 along

BADORiGlNAL

Caused cam flare so that the roller sum of Hadirabsohnitt 56 of the cam member 32 returns,

5 and 6 show a cam roller 41 'which is arranged by a bearing 60 on the cam follower 42' . The purpose dee bearing 60 is au increase the reactivity of the bond to external, which is above the threshold value of the bonding forces, = The bearing 60 may be made of any material that under which the bonding is used for the conditions "compatible is . JSLn preferred material in Teflon. In Fig. 5 the bearing is located between a central bore of the cam roller 41 * «, which can be a ball, and its fixed axis 43 *. The axis 43 'extends between the longitudinal projections 49', between which an incision 50 * is formed , the 41 'aufntmto Fig stream "6 is a part of the cam roller bearings 60 firmly to the vOrsprUngen 49 * within openings 63 secured ₉ the bearings can support the journals 64 rotatably supported on the permanently to the curls

_ ^ roller 41 are attached so that a slight rotation of the

to allow cam roller 41 'relative to the cam follower 42 *

** willo

° The understanding described in detail and illustrated embodiments of the invention ^ the Xtockengliedeft 32 can in various ways be varied without the ärfindungsbereieh to abandoned instead of _v which is fixed relative to the base plate 25 and the opposite this

. BAU ORrGINAL

.schwenkfähig disposed cam roller follower 40 of the invention may ζ · Βο disjunction of these cables are reversed, without the protection range to leave ₀ ·

109847/0337

-18 patent application

Claims (1)

PATENT CLAIM ί Xo) ski binding with a first and a second body »of which the first is fixedly arranged on the ski blade and the second is rotatable by a pivot connection with respect to the first body and has means for attaching a ski boot, as well as with a cam area , a roller and a spring, characterized in that of the two bodies (25 »26) one (26) is provided with two intersecting bores (29, 30) and the other body (25) is provided with the trough-shaped cam surface (33) which extends substantially at right angles to the axis of symmetry of the second bore (30) which receives the spring (44) and a plunger (40) which is supported at one end on the spring and at its other end an axis (43 ) holds »on which the roller (41) is arranged rotatably essentially parallel to the cam surface, and that the first bore (29) receives the pivot pin (21) on which the tappet is held releasably and axially movably in such a way that a Rotation of the plunger about its axis of symmetry is avoided and the axis of rotation of the roller remains essentially parallel to the cam surface during a rotation of the first body relative to the second , against which the spring presses the roller and thereby forms a resistance force threshold value for the body »where the one from the tappet and Role existing arrangement with reference 109 8UZOTl? _BAD ORKSOMAL on the - cam surface in its nadir area (56) remains sia / .ionär, · if the external forces acting on the binding via a ski boot (11) arranged in it are below the threshold, but if the second body, in response to external forces above the threshold, rotates with respect to the first body, angularly with respect to the cam surface and describes an arcuate path along the nooken surface to a predetermined angle at which the ski boot from the aalterung (19) is released, and at the same time an axial movement with respect to the second bore to change the working condition of each executes, and that the cam surface changes its surface shape along the arcuate, traversed by the roller iYeg in such a way that the force exerted by the spring into a between the cam roller and the cam surface normal to the latter acting resistance force and ether parallel to the cam surface acting Rü Resolves the restoring force through which the cam roller and the tappet return to their initial position in the nadir area of the cam surface when the external forces "above the threshold value" cease, JJ 2, ski binding according to claim 1, characterized in that the ^ detachable mounting of the plunger (40) on the pivot pin (21) co from an incision formed on one of the two parts - * (48), through which the other of the! Parts can slide - 20 ORIGINAL BATHROOM - 20 reaches through. ο Ski binding according to claim 2, characterized in that a slot (48) passes through the plunger (40), into which the pivot pin (21) slidably fits π 4ο ski binding according to claim 3 * characterized in that the) slot (48) between the ends of the plunger (40) and the roller (41) and the spring (44) are on opposite sides with respect to the pivot pin (21) are arranged o 5β ski binding according to claim 1 - 4, characterized in that that the cam surface (33) is formed on a cam member (32) is, which has a flat base plate (34) with means (35, 36) for releasable attachment to the other body (25) is provided » ο Ski binding according to claims 1 - 5, characterized in that that due to the surface shape of the cam surface along the path of movement of the cam roller, the drag force acting normal to the cam surface is essentially constant - »is and the jerk directed parallel to the noclcen surface ^ setting force in relation to the change in the operational ^ conditionβ the spring constantly increased * - ω 7 _O ski binding according to claim 6, characterized in that ^ the surface shape of the cam surface (33) along the Path of movement of the cam roller (41) with respect to the Trunnions (21) through a series of radial ORIGlNAL BATHROOM H7826Q ~ 21 - In the nadir section (56) from up to the angle corresponding to the release of the ski boot (11) from the binding, each of the radial distances is measured along an axis that is normal to the cam surface and the contact line between the love roller (41) '9 and the lower surface and the axis of rotation (43) of the cam roller on the tappet (40) intersects ₉ so that one of the axes coincides with the fjirlaingslinie of the spring (44), fall the external forces are below the threshold and the: Nooken roller tappet is in the nadir section, while the other eighth of the line of action of the leder gesteiieit deviate, the resistance force between the cam surface and the cam roller, regardless of the position of the cam roller along the path essentially constant -M remain* - 109 8 477 0337 -. 'BAD OBiGSMAt Blank page