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Патент USA US3080184

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March 5, 1963
GQREUGE
3,080,174
SAFETY STRETCHER FOR SKI ATTACK-WENT
Filed Oct. 26, 1960
2 Sheets-Sheet 1
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Guido R'Euqe
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March 5, 1963
3,080,174
G. REUGE
SAFETY STRETCHER FOR SKI ATTACHMENT
2 Sheets-Sheet'Z
Filed Oct. 26, 1960
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United States Patent 0 "ice
,
3,080,174
Patented Mar. 5, 1963
2
1
3,080,174
prevent the hook from falling when it is unhooked, one
of the ends of this ?at part abutting against the plate 1.
The cable holding device hinged at 4 on the lever 3,
Guido Reuge, 21 Rue des Rasses,
includes a fork 17 having a threaded rod 18 on which is
screwed a traction hook 19 for hooking the traction cable
SAFETY STRETCHER FOR SKI ATTACHMENT
Sainte-Croix, Switzerland
Filed Oct. 26, 1960, Ser. No. 65,040
Claims priority, application Switzerland Oct. 28, 1959
(not shown). In order to adjust the longitudinal posi
tion of the stretcher relative to the ski, that is to say the
tension of the cable, it is su?icient to screw to a greater
9 Claims. (Cl. 280-1135)
The present invention has for an object a ski attach
ment comprising a stretcher for a traction cable sur
rounding the boot and passing behind the heel, this
stretcher having a tension lever on which is hinged a cable
holding device.
,.
or smaller extent the hook 19 on the rod 18.
10
The operation of this embodiment is the following:
The tension lever 3 is normally manoeuvered about
the pivoting axis 10 from the closed position of FIG. 1
to the open position of FIG. 2, independently of the
safety element which it covers in the closed position.
The attachment according to the invention is character
When the cable is subjected to a traction exceeding a pre
ized in that it further includes a safety element mounted 15 determined amount, the rod 5 is drawn backwards against
to slide along the axis of the ski, against the action of
the action of the elastic member 6 through the agency of
an elastic member, in a guide pivoting about a ?xed axis
the lever 3, the line of force of the traction pulling the
relative to the ski and perpendicular to the axis of the
cable holding device passing between the axes 8 and 10,
ski. This safety element is held at one end by a hooking
as shown in ‘FIG. 4. At the moment when the end of
member, and its other end is connected to the tension 20 the rod 5 leaves the hook 9, the traction exerted. on the
lever by a pivoting axis, the whole being arranged in
lever 3 causes the part 7 to swing about its axis 8, and
such a way that the said lever may be normally manoeu
opens out the lever to the position shown in FIG. 5, the
vered about the' said pivoting axis independently of the
line of force of the cable holding device passing sud
safety element which it covers in the closed position and
denly above the axis 10 from the position of FIG. 4 to
which only-frees itself from the hooking emember when 25 that of FIG. 5. In order to return the safety element
the cable is subjected to a traction exceeding a prede
to the position of FIG. 1, it sui?ces to lower the rod 5
termined amount, the line of force of the traction pulling
sodas manually to catch the hook 9 over the end of this
the holding device of the cable passing between the axis
of the pivoting part and the hinged axis of the tension
re
.
In theembodiment of FIG. 6, the stretcher is mounted
30 on a plate 20 sliding on a plate 21 ?xed to the ski 2 and
. ‘The accompanying drawing shows, by way of example, .
having ?anges 22 forming slides for the plate 20. The
lever.
.
one embodiment of the ski attachment forming the ob
ject of the present invention as well as variants.
FIG. 1 is a side elevational view, partly in section of
this embodiment.
FIG. 2 is an end view from the left of FIG. 1.
FIG. 3 is a view similar to FIG. 1 in another position
of the attachment members.
FIG. 4 is a view similar to FIG. 1 in another posi
tion.
,
FIG. 5 is a view similar to FIG. 3 in another position.
FIG. 6 is a view similar to FIG. 1 of a variant.
FIG. 7 is a view similar to FIG. 6 of another variant.
front ends (that is to say directed towards the front of
the ski) of the plates 20 and 21 are each provided with a
bracket 23 and 24 respectively, constructed in one piece,
formed by folding at right angles the end of the plate.
A screw 25 ?xed to the bracket 23 passes through the
bracket 24 and carries a knurl headed nut 26' allowing of
adjusting by hand the longitudinal position of the
stretcher relative-to the ski, that is to say the tension of
In this case, the cable hook 27 is
hinged directly to the tension lever 3. For the remain
der, the operation, of this attachment is the same as that
of the embodiment of FIGS. 1 to 5.
In the embodiment shown in FIGS. 7 to 9 the stretcher
40 the traction cable.
FIG. 8 is a sectional view along line 8—8 of FIG. 7.
FIG. 9 is a plan view of FIG. 7, certain members hav 45 is mounted on a plate 28 sliding on a base plate 29 ?xed
ing been eliminated.
to the ski 2 and which has ?anges 30* serving as slides for
FIGS. 10 and 11 are side elevational views, of two
the lateral edges of the plate 28 as shown in section in
modi?cations of details.
FIG. 8. A spiral threaded knurled screw 31 gearing
FIG. 12 is an end view from the left of FIG. 11.
with a rack 32 of the plate 29, allows of moving the
In all the ?gures, the same reference numbers indi 50 plate 28 with the stretcher in order to adjust the longi
cate the same members.
The ski attachment shown in FIG. 1 includes a
stretcher for a traction cable (not shown) surrounding
the boot and passing behind the heel, this stretcher be
tudinal position of the stretcher relative to the ski, that
is to say the tension of the cable. The knurled screw 31
is mounted in a fork 33 manufactured in one piece with
the plate 28.
ing mounted on a plate 1 secured to the ski 2 and hav 55
The front end of the rod 5 of the safety element is
ing .a tension lever 3 on which is hinged at 14 a cable
held by a hook 34 cut out in a metallic plate and pivoting
holding device. A safety element including a rod 5 is
on a ?xed spindle 35 supported by two brackets 36 and
slidably mounted along the axis of the ski, against the
37 manufactured in one piece with the plate 28. The
action of an elastic member 6 mounted on the rod 5, in
base of the hook 34 is provided with a part 38 parallel
a part 7 pivoting about an axis 8 ?xed relative to the 60 to the plate 28 designed to prevent the said hook from
ski and perpendicular to the axis of the ski.
One end
swinging in a clockwise direction beyond the position
shown in FIG. 8, and a part 39 inclined relative to the
nected to the tension lever 3 by a pivoting axis 10. The
part 38 to allow the hook 34 to pivot in an anticlockwise
rod 5 is provided with a threaded part carrying a nut 11
against which bears the elastic member 6 which bears on 65 direction. A spring 40 one end of which is ?xed to the
plate 28 and the other to the hook 34 urges the latter
the other end against the pivoting part 7. This nut 11
in
a clockwise direction when looking at FIG. 8. The
allows regulating the initial tension of the elastic mem
bracket 37 extends to the upper part of the hook and is
ber 6. This elastic member is formed by a piling up of
of the rod 5 is held by a hook 9 and its other end is con
rings 12 of toroidal shape separated by rigid washers 13.
The hook 9 is pivotally mounted on a ?xed axis 14
supported by two brackets 15 integral with the plate 1
and the base of this hook 9 has a ?at part 16 adapted to
provided with a V-shaped notch 41 adapted to guide
the end of the rod 5.
The operation of this embodiment is the following:
When the rod 5 is pulled backwards against the elastic
8,080,174
3
4
action of the member 6 and its end leaves the hook 34,
the .latter is pushed by the spring 40 in a clockwise direc
tion as shown in FIG. 8 until the right-hand corner of
the part 38 of the hook 34 abuts against the plate 28. In
order to re-position the safety element, it suf?ces to lower
elastic member through the agency of said tightening
lever, the line of force of the traction pulling the cable
holding device passes between said axis ?xed with respect
to the ski and the pivotal connection of the lever to the
rod.
the rod 5 from its inclined position as shown in FIG. 5
2. A. stretcher according to claim 1 wherein said guide
and bring its end over the upper rounded part of the hook
34, and then to exert pressure on this end which pivots
has a longitudinal hole through which said rod passes
and a transverse hole below said longitudinal hole through
which said ?xed axis passes.
the book 34 in an anticlockwise direction as shown in
FIG. 8 until this end as guided by the notch 41 of the‘ 10
3‘. A stretcher according to claim 1 wherein said rod
bracket 37, reaches the bottom of this notch and the hook
has a threaded portion, a nut on said threaded portion,
closes over this end of the rod 5 under the action of the
said elastic member reacting against said nut and said nut
spring 40'.
allowing the initial tension of said elastic member to be
FIG. 10 shows a variant of the mounting of the hook
regulated.
9 of the embodiment of FIGS. 1 to 5. In this variant, 15
4. A stretcher according to claim 3 wherein said elastic
the hook 9’ may be adjusted longitudinally relative to
member comprises a row of annular elastic members.
the ski in order to change the freeing position of the end
5. A stretcher according to claim 4 wherein said elastic
of the rod 5. To this end, the pivoting axis of the hook
annular members are separated from each other by rigid
9' is constituted by a screw 42 on which is screwed a
washers.
part of this hook forming a nut.
8
6. A stretcher according to claim 1 wherein the axis
FIGS. 11 and 12 show a variant of a hook 34' of the
of said guide and the axis of said hooking member are
same shape as the hook 34 but thicker, this hook 34’ being
located on a support plate sliding on a base plate attached
pivotally mounted at 43 on an angle 44 ?xed to the base
to a ski.
plate 28, This angle could also be directly ?xed to the
7. A stretcher according to claim 6 wherein said sup
ski.
port plate is provided with a helicoidal-threaded screw
In the modi?cation shown in FIGURES l1 and 12
engaging a rack in said base plate so that the longitudinal
the hook 34’ is operated upon by a spring 40 as shown
position of the stretcher can be regulated with respect to
in FIGURES 7 and 8.
the ski.
Although in the ski attachment described the elastic
8. A stretcher according to claim 6 wherein said sup
member is constituted by rings of elastic material, of
toroidal shape, it is obvious that one could also employ
particular coil springs or a piling up of elastic or conical
port plate is integral with a projection guiding said rod,
said projection being adjacent to said hooking member
and having a V-shaped notch in which said rod is guided
when being hooked, and a spring holding the hooking
washers, for example, so-callcd Belleville Washers.
member elastically in hooking position.
30
other elastic members capable of giving satisfaction, in
What I claim is:
l. A safety stretcher for ski fastening with a traction
9. A stretcher according to claim 1 wherein said hook
ing member comprises a hook in a metal plate pivoted on
cable going behind the heel comprising a tightening lever,
a corner plate attached to the ski, the end of said corner
a cable-holding device pivotally connected to said lever,
plate adjacent to said hook having a V-shaped notch to
guide said rod. onto said book when it is to be booked,
a guide pivoted on a horizontal axis ?xed with respect
to said ski and perpendicular to the axis of said ski, a safe
ty component comprising a rod slidable in said guide
axially of said ski, an elastic member cooperating with
said rod to maintain the same in a set position, a hooking
member pivoting on an axis extending longitudinally of
the ski cooperating with one end of said safety component 45
from which said component is freed‘ only when the trac
tion exerted on said cable against ‘said elastic member
exceeds a predetermined value for opening said tighten
and a spring holding said hook elastically in booking
position.
References Cited in the ?le of this patentv
UNITED STATES PATENTS
2,232,596
2,441,113
2,944,828
Dodds ______________ __ Feb. 18, 1941
Kinzl _______________ .__ May 4, 1948
Nashe ______________ __ July 12, 1960
932,887
1,034,246
207,306
France ______________ __ Dec. 1, 1947
France ______________ __ Apr. 8, 1953
Switzerland __________ ._ Jan. 16, 1940
ing lever, said hooking member releasably holding said
one end of said rod and said tightening lever being pivot 50
ally connected to the other end of said rod so that when
said rod is drawn backwardly against the action of said
-
FOREIGN PATENTS
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