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Патент USA US2404443

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>Julyazs, 1946.
Filed April 50, 1945-
"'2 sheets-sheet 1`
Patented July _23? 1946
2,404,445 -
- .
Í i
Norman B. Irving', Philadelphia, Pa.
Application April 30, 1945,l Serial No. 591,147 I
(Cl. 19,3-41) .
This present invention relates to improvements
in skids consisting in the provision of -a‘braking
mechanism whereby the speed of containers slid
1 .
9 which has an aperture in its free end extending
Íparallel tothe axis of the shaft. A pin I0 is in
serted in the aperture and‘also‘ in an aperture
k'formed in the lower free end of a lug I I which is
safeguarding humanV life and .health and pro- `ï` attached at its upper end to and extends from the
- ing on the skids may be controlled with a view of
tecting the containers handled from being dam
aged or destroyed.
The main object of the invention is the design
'of a skidding' structure including a track and car
ria'ge slidable thereon and the provision ofA a brake
normally'retracted within the track,`and adapted
for movement against the bottom of the carriage
` for controlling the speed thereof.
With these and other objects in view which will„_
' lower side of the neck portion I2 of a brake mem
ber I3. *The* latter is of relatively narrow hori
zontal width and larger vertical depth and com
` prises an enlarged> portion I4 which extends con
siderably above and below the upper and lower
" edges'of the neck portion. The upper edge of
the enlarged portion merges at the top end >(Fig- ,
ure' 2) into the upper edge of the neck portion.
The lower edge of the enlarged brake member
become apparent as the following disclosure is’ 1‘5» portion has two curved eut-outs I5 performing a
Ifunction which will become manifest as the de
understood, the invention consists in the novelty
scription proceeds,
of features, combination and arrangement of
The braking mem'ber is housed in a cylindrical
parts as will behereinafter more fully described
casing I6 which is disposed between and in paral
and claimed in the appended claims.
The description should be read in connection 20 lelism with the beams and attached at its ends
by rivets I1 to the intermediate portion of the
with the accompanying drawings forming part of
two intermediate braces 3. 'I‘he brake casing is
this application and in which:
provided on the upper side with a longitudinal
Figure l is a top plan view of the preferred em
slot I8 which stops short of both ends and permits
bodiment of my invention;
Figure 2 is a central, longitudinal, vertical sec 25 the emergence of the upper edge part of the en
larged portion of the brake member. Through
tion of the same;
the casing extended at right angles to the plane
Figure 3 is a fragmentary side view of the upper
of the brake member are two rods I9 that are
spaced from one another to the same extent that
Figures 4 and 5 are transverse sections on lines
30 corresponding portions of the cut-outs are spaced.
4-4 and 5-5 respectively of Figure 1.
In inoperative position of the brake member the
In the drawings in which like reference charac
top edge portion of each cut-out rests on a rod
ters designate like or similar parts, numeral 2
(Figure 2) and a counter-clockwise movement of
indicates one of a pair of horizontally spaced
the handle 5 will cause a movement of the brake
beams of wood, steel or any other suitable mate
rial which are notched at their bottom sides to 35 member-to the left and upward so that the top
edge of the brake member which is normally flush
receive spaced transverse braces 3. These braces
with the top surf-ace of the casing, rises above
hold the beams in the desired spaced relation and
the latter and -c mes into frictional engagement
are attached in pairs to either end portion of the
with the under s1de of a slide or carriage 20. - The
beams. Above the outer brace of the pair at
tached to the upper end of the beams (Figure 2) 40 latter is slidably disposed on the beams and of
a width equal to the spacing of the outer sides
are formed in the latter registering holes in which
the latter. The intermediate portion 2| of
a shaft '4 is journaled. The front end (Figure 3)
carriage is slightly dished' to make a container
of the shaft protrudes outwardly of the adjacent
especially a barrel stay on the carriage; -'.lï‘rom
‘beam and carries a handle 5 which may be swung
through a predetermined angle bounded by stop 45 the lower side of the carriage extends a guide 22
having the shape of a U (Figure 4) and embrac
pins 6 ñxed to and extending from the outer side
ing the casing described so that the carriage ls
of the adjacent beam. The shaft carries a radial
slidably and non-detachably connected to the ap
pin 1 that engages either of the fixed stop pins
paratus described.
at the end of a swing. The shaft portion between
The latter is shown in Figure 2 as mounted
the beams carries also a pair of radially extend 50
prevents'axial displacement of the shaft.
upon the edge of a pit or cellar so that the outer
brace of the upper pair engages with its inner
corner edge the ground near the edge of the cellar
At an intermediate point between the beams the
shaft is provided with a radially extending arm
the lower end of which rests upon the floor of the
ing pins 8 each of which slides over one of the
confronting inner vertical sides of the beams and
with suiiicient friction to prevent the apparatus,
' Ív -’Í
cellar, from sliding down. More elaborate pre
cautions to insure the safety of the structure
from sliding may be taken.
In Figures 2 and 4 dotted lines indicate a con
tainer 23 placed on the carriage disposed upon
the upper end of the beams. During the down
ward motion of the carriage and load the brake
member by the proper manipulation of the handle
may be brought to bear» against the bottom sur
cam means for engaging and laterally displacing
the brake into engagement with the carriage.
2. VA skidding apparatus comprising a skele
tonized beam structure, a carriage slidable on the .
structure, a >slotted brake casing received within
the structure and guiding the carriage, a brake
housed in the casing and adapted to emerge above
the same through the slot to engage the carriage,
cam means formed on the brake and cooperating
face ofthe carriage so’that the arrival of the 10 with the casing> for lifting the brake during move
latter and the container carried thereby at the
mentI longitudinally of thev casing, and lever
lower end of thefapparatus occurs at a speed
which is not a menace to the life or health of the
person or persons receiving the container in the '
cellar nor to the safe condition of the container
riding on the carriage.
While I have described and illustrated »the f
preferred embodiment of my invention in several
of vits specific details, the latter are not to be con
strued as limitations of my invention, but merely 20
as examples thereof. Changes and modiñcations
obvious to those skilled in the art may be resorted
to without departing from the spirit and scope of
the invention as deñned in the appended claims.
„ means fulcrumed to the structure and connected
to the brake.
3. A skidding apparatus comprising a pair of
spaced, braced rails, a carriage disposed for move
ment longitudinally of the rails and carrying a
guide, a casing between the rails supported by
some ofthe braces and coacting with the guide
and'having a longitudinal vertical slot and in
cluding cam surface engaging means, a brake
member housed in the casing beneath the slot and
including cam surfaces, and-means for moving
the brake kmember longitudinally of the casing '
for emergence through the slot against the car
~ Among the various possible modiñcations, I men
riage in response to the coaction of the cam sur
tion only the design of the beams as members of
faces and their engaging means.
variable length and- comprising partly or wholly
4. A skidding apparatus comprising a track, a
telescoped parts. _
carriage movable on the track, a slotted housing
What I’ claim and desire to secure by Letters
within the track and guiding the carriage, a brake
Patent is;
v30 member guided by the slot of the housing and in
1. In a skidding structure, a support adapted
cluding cam portions, means carried by the hous
to be disposed at an incline, a, carriage slidable
ing for cooperating with the cam portions for
on >the support and guided thereby, a brake re
moving 'the brake member through the slot during
tractable into the support and operable into en
movement of the memberlongitudinally of `the
gagement with the carriage, and means for op 35 housing, and means for moving the brake mem
erating the brake, said brake operating means
including a manually actuated element for mov
ing the brake longitudinally of the support and
ber longitudinally of the housing,
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