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Патент USA US3054372

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Sept. 18, 1962
KUNIO IGAYA
3,054,360
CONSTRUCTION OF‘ A SKI LIFT
Filed July 18, 1961
17
J8
INVENTOR.
Kulv l0 IGAYA
BY
M
Wm F[M
ATTORNEYS‘,
United States Patent @??ce
d???ii?
Patented Sept. 18, 1962
l
2
the ‘weight 7 upward which works as a bu?er and accord
ingly no jerk which has been common in the conventional
construction of the lift is given to the body of the rider.
As the rider can thus be in the stabilized posture, he can
easily put the bar 19 or 20’ between his thighs by one
sesame
CONSTRUCTKON SE‘ A SET LIFT
Kunio Igaya, 5 No. 7148 Azmkenotaira, Yarnanouehi
machi, Shimotakai-gun, Nagano, Japan
Filed July 18, 1961, Ser. No. 124,935
Claims priority, application Japan July 22, 196i]
hand while holding the ring by the other and can ?t the
4 Claims. (Cl. 164-173)
saddle 17 or 18 to his backside and, therefore, no assistant
as in the case of the conventional lift is required. Thus,
The present invention relates to a construction of a ski
the rider can proceed smoothly being balanced by the
lift.
It is an object of the present invention to provide a
ski lift which enables riders to get on and off the same
weight 7 and sliding on the snow as the ring 9 or 10 and
the saddle 17 or 18 are made to advance being dragged by
the drag rope 14 and the wire ropes 15, 16. Furthermore,
without assistance.
It is another object of the present invention to provide
as the rings 9, 10 can automatically be lowered and raised
by means of the rope i3 and the weight 7, irrespective of
a ski lift which gives no jerk to a rider at the time of rid 15 the difference in the height of riders and the distance be
ing and accordingly can completely prevent riders from
tween the main wire rope I and the snow on the ground,
the riders can always maintain a natural posture and can
slide on the snow extremely smoothly.
tumbling.
It is a further object of the present invention to provide
a ski lift which enables the position of riders to be auto
While I have illustrated and described the preferred
matically raised and lowered in respect of the height of 20 embodiment of my invention, it is to be understood that
the main wire rope according to the unevenness of the
I do not limit myself to the precise constructions herein
snow on the ground.
disclosed and the right is reserved to all changes and modi
The novel features which are considered as character
?cations coming within the scope of the invention as set
istic for the invention are set forth in the appended claims.
forth in the appended claims.
The invention itself, together with additional objects and 25
Having thus described my invention, what I claim as
advantages thereof, will be best understood from the fol
new and desire to secure by United States Letters Patent is:
lowing description of a speci?c embodiment when read
1. vIn a ski tow having an overhead traction cable and
in connection with the accompanying drawings, in which:
a plurality of conveyor means downwardly depending
FIG. 1 is a side view showing the state of use of a
from said cable in spaced apart relationship for conveying
ski lift according to the present invention; and
skiers, the improvement which comprises that each con
FIG. 2 is a perspective side view showing a principal
veyor member comprises
part of the ski lift.
(a) a rigid support portion adapted to be gripped by a
Now explaining in detail an embodiment of the pres
hand of a skier,
ent invention with reference to the attached drawings, on
(b) a rod portion, one end of said rod portion being
a main wire rope I stretched around top pulleys and re 35
swingably mounted on said support portion while the
turn pulleys (both are not shown in the drawings) for
other end has a saddle member adapted to engage
rotative movement, there are ?xed ?tting members 2 at a
the rear of a skier, and
suitable interval. One end of a U-shaped connecting rod
3 is attached to said ?tting member 2 and the other end
of said connecting rod 3 is attached to a pulley member 40
(c) a length-adjustable portion between said rigid sup
port portion and said traction cable, said length
adjustable portion being responsive to pull exerted by
6 having a pulley 5 mounted therein for rotative move
the hand of the skier gripping said rigid support
ment by means of an axis 4. On said pulley 5, there is
portion.
suspended a wire rope 13 of which one end is ?red to
2. The improvement of claim 1, further comprising
a projection 8 provided on a cylindrical weight 7 and
rope means extending between said rigid support portion
the other end of which is made to pass through said 45 and the adjacent forward conveyor member.
weight 7 for loose ?t therewith and is ?xed to a loop 12
3. In a ski tow having an overhead traction rope and
provided at the center of a horizontal rod 11 having rings
9', 19 on both ends thereof forming the shape of a drum
together with other horizontal rods 21, 22. To said rings
9, 10, the ends of wire ropes 15, 16 are respectively at 50
tached and the other ends of said wire ropes 1'5, 16 are
fastened to a drag rope 14. The other end of said drag
rope 14 is ?xed to the lower end of said U-shaped con
necting rod 3 of the front unit. From said rings 9, 10,
there are suspended rods 19, 2% each having a saddle 17 55
or 18 at the lower end thereof. Furthermore, in the at
tached drawings, 23 is a skier, 24 shows a pole and 25 is
an upper pulley for the main wire rope 1.
‘In the conventional two-seat T-bar lifts of the type hith
erto in use, it has been necessary to have an assistant in or
der to lower the bar and to ?t it to the backside of riders,
Further, the skiers are usually subjected to jerky rides,
particularly at the start. This sometimes has led a rider
on the other seat to be tumbled at the same time. Fur
60
a plurality of conveyor members downwardly depending
from said rope in spaced apart relationship, the improve
ment which comprises that each conveyor member com
prises
(a) a rigid handle~forming support structure to be
gripped by a hand of a skier,
(b) a rod portion, one end of which is swingably
mounted on said support structure while the other
end has a saddle-forming member adapted to engage
the rear of a skier with the rod extending between
the skier’s legs, and
(c) a length-adjustable portion between said traction
rope and said support structure, said length-adjustable
portion including a pulley, and a weighted rope
trained around said pulley and being secured to said
support structure.
4. The improvement of claim 3, wherein said weight
ed rope includes a weight having a passage, one end of
thermore, in ?tting the bar to the backside of the riders
by the assistant, it has been difficult and accordingly has i said rope being attached to the weight while the other
end passes through said passage and is attached to said
necessitated certain skillfulness to ?t the bar properly
support structure.
to the backsides of the riders in view of that it requires
good timeliness in so doing.
References Cited in the ?le of this patent
According to the present invention, however, as the 70
UNITED STATES PATENTS
lift is constructed as described above, when a rider grips
either one of the rings 9, 10, the same is lowered pulling
2,087,232
Constam ______________ __ July 20, 1937
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