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Патент USA US3068817

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Dec. 18, 1962
M. c. NEUMAN
3,068,307
SPAN TRACK-TO-LOADER LATCH
Filed Jan. 18, 1960
7 Sheets-Sheet 1
Dec. 18, 1962
M. c. NEUMAN
'
3,068,807
SPAN TRACK-TO-LOADER LATCH
Filed Jan. 18, 1960
'7 Sheets-Sheet 2
$7,
Dec. 18, 1962
M. c. NEUMAN
3,068,807
SPAN TRACK-TO-LOADER LATCH
Filed Jan. 18, 1960
'7 Sheets-Sheet 3
Dec. 18, 1962
M. c. NEUMAN
3,068,807
SPAN TRACK-TO-LOADER LATCH
Filed Jan. 18, 1960
'
7 Sheets-Sheet 5
Dec. 18, 1962
M. c. NEUMAN
3,068,807
SPAN TRACK-TO-LOADER LATCH
Filed Jan. 18, 1960
'7 Sheets-Sheet 6
Flam
4200
/'
Dec. 18, 1962
M. c. NEUMAN
3,963,807
SPAN TRACK-TO-LOADER LATCH
Filed Jan. 18, 1960
7 Sheets-Sheet 7
Unite
flee
3,068,807
Patented Dec. 18, 1962
2
FIG. 3 is a diametric view of span track and blast door
3,068,807
components showing relationship to the launcher;
SPAN TRACK-TO-LQADER LATCH
FIG. 3A is a continuation to the right of FIG. 3, show
ing part of the loader trunk and weapon in position there
Milton C. Neuman, Champlin, Minn, assignor, by mesne
assignments, to the United States of America as repre
under;
sented by the Secretary of the Navy
Filed Jan. 18, 1960, Ser. No. 3,208
3 Claims. ((11. 104-94)
FIG. 4 is a side elevation, with parts removed, of the
guided missile launching system showing generally the
location of the span track, blast doors, Area 1 accumu
This invention relates generally to conveyor systems,
lator, loader trunk, and the wing and ?n assembly com
and more particularly it pertains to a latching mechanism 10 partment (Area 1);
for securing together separable tracks of a tramway type
FIG. 5 is a diametric view, in longitudinal cross section,
conveyor.
of the span track;
This application contains subject matter common with
FIG. 6 is a sectional view, with parts in phantom and
that disclosed in applications
elevation, of centering bolt and a hold down piston there
for; and
Serial No. 848,163, ?led Oct. 22, 1959, Myron J. Bauer
FIG. 7 is a diametric view, partly cut away, of the span
et al.
track-to-loader latching mechanism.
Serial No. 856,318, ?led Nov. 30, 1959, Richard C. Wilson
The span track-to-loader latch 4300, as shown in FIGS.
Serial No. 856,319, ?led Nov. 30, 1959, Richard C. Wilson
erial No. 861,161, ?led Dec. 21, 1959, Richard C. Wilson 20 1, 3A, and 4, is located in the last trunk section VIII of
the loader trunk 2003, directly aft of an upper blast
Serial No. 861,162, v?led Dec. 21, 1959, Richard C. Wilson
door 4004 and the span track assembly 4001 of the guided‘
Serial No. 863,367, ?led Dec. 31, 1959, Richard C. Wilson
missile launching system described in the previously men
Serial No. 3,700, ?led Jan. 20, 1960, Richard C. Wilson
tioned patent application.
‘
Serial No. 5,575, ?led Jan. 29, 1960, Milton C. Neuman
In
order
to
complete
the
transfer
of a missile weapon
Serial No. 16,108, ?led Mar. 18, 1960, Myron J. Bauer
400 from Area 1 to the guide arm 5002 of a launcher
et al.
Serial No. 11,386, ?led May 12, 1960, Sven Landstrom
et al.
‘
Serial No. 31,785, ?led May 25, 1960, Myron J. Bauer
et al.
Serial No. 36,098, ?led June 14, 1960, Robert E. Carlberg
et al.
and
Serial No. 41,219, ?led July 6, 1960, Myron J. Bauer
et a1.
5000, the span track assembly 4001 attached to the upper
blast door 4004, must extend, align, and secure to the
loader trunk 2003 of a loader 2002 and to the guide arm
5002 of the launcher 5000.
The forward end of the span track assembly 4001, as
shown ‘in FIG. 2, has a pair of rollers 4269 mounted to
it which engages between tapered cam surfaces 2109 of
trunk section VIII. As the span track assembly 4001
nears the horizontal plane of the loader trunk 2003, these
all assigned to the United States Government. The launch
rollers 4269 center and align the span track assembly
4001 with the trunk section VIII. Another pair of rollers
ing system is shown in its entirety in Serial No. 848,163,
and it is to this particular application that reference will
loader latch 4306, as shown in FIG. 6.
4268 on the span track 4001 engage the span track
-
hereinafter be made.
The span track assembly 4001 forms a bridge between
In a guided missile launching system, such as described 40 the loader 2002 and the launcher guide arm 5002, as
in the above-mentioned patent application, it is required
shown best in FIG. 4. With the span track assembly 4001
to connect the missile weapon supporting tracks of a
horizontally positioned, as shown in FIG. 6, a missile
loader to the tramway tracks of a folding span track in a
weapon 400 may be moved from Area 1 onto the guide
missile weapon feeder system. For this purpose, an auto
arm 5002 of the launcher 5000.
matic ‘latch mechanism of high reliability and unique
The span track assembly 4001 is mounted to the inner
characteristics is required.
face of the upper blast door 4004 and both act as a single
In the guided missile launching system of the patent
unit. With the upper blast door 4004 open, as shown
application referred to above, there is disclosed a loader
best in FIGS. 3A and 4, thespan track assembly 4001
and span track arrangement in which the ‘automatic latch
assumes a horizontal position. When the upper door
mechanism of the present application forms an important 50 4004 is closed, the span track assembly 4001 is stowed
part.
vertically inside the upper door, as'shown in FIG. 3.
It is an object of this invention, therefore, to provide
Although the open track assembly 4001 is mounted to
a latch mechanism of novel'design for securing ‘abutting
tphe upper blast door 4004, its manner of attachment
ends'ofa tramway'type conveyor together which has both
thereto allows it some lateral and vertical movement.
mechanical tripping as well as hydraulic tripping engage 55 This compensates for any variation in position of the
ment actions.
Another object of this invention is to provide a hy
guide arm 5002 of the launcher ‘5000.
Y
The principal components of the span track assembly
draulically operated latch mechanism having interlocked
4001 are the span track support 4106, shown best in FIG.
hydraulic control for aligning of a span track and the
5, a three section span track 4200, shown best in FIGS. 5
60
clamping thereof to the tracks of a loader of a guided
and 7, skid tracks and chain tracks (not shown), a
missile feeder system.
T~hanger 4212, shown best in FIG. 5, a centering bolt
Many other objects and attendant advantages of this
4194, as shown best in FIG. 6, a span track-guide arm
invention mentioned above will become more readily ap
latch 4210, shown best in FIG. 5, and latch rollers 4268
preciated as the same becomes better understood by ref
and 4269, shown best in FIGS. 6 and 7, to engage the
erence to the following detailed description when con
span track-loader latch 4300, shown best in FIGS. 5, 6,
sidered in connection with the-accompanying drawings
and 7.
wherein:
The span track-loader latch 4300, as shown in FIGS.
FIG. 1 is a diametric view of the loader portion of a
5, 6, and 7, secures and aligns an aft section 4201 of the
span track-to-loader latch mechanism;
70 span track 4200 to the loader trunk unit VIII. This
FIG. 2 is a diametric view of the span track portion
spring-loaded span track-loader latch 4300 also acts as a
of the span track-to-loader latch mechanism;
sequence valve, porting control pressure ?uid to the upper
8,068,807
3
A.
pose is provided between the span track 4200 and the
loader trunk 2003.
Obviously many modi?cations and variations of the
present invention are possible in light of the above teach
ings. It is, therefore, to be understood that within the
door control block assembly 4168 when the span track
loader 4300 is retracted.
The span track-loader latch 4300 is located at the for
ward end of trunk unit VIII, as shown in detail in FIG. 7.
The span track-loader latch 4300 is attached to a mount
ing bracket 4304 which extends forward from the center
of this trunk section VIII.
scope of the appended claims the invention may be prac
ticed otherwise than as speci?cally described.
.
The span track-loader latch 4300 includes the mount
What is claimed is:
'
ing bracket 4304, the latch 4306, spaced links 4308, a
1. In a missile launching system having a missile
spring-loaded switch actuator 4310, a switch SIPA7, and 10 launcher, a missile assembly and storage area, ?rst and
a cylinder block 4312. The cylinder block 4312 contains
second tramway means operably positioned in the as
a piston 4314, a spring 4316, and has two end covers
sembly and storage area and on the launcher respectively,
4318 and 4319.
a vertically retractable tramway operable to connect the
A pivot pin 4320 is used to secure the upper corner of
?rst and the second tramway in a manner to form a con
the triangular-shaped latch 4306 to the mounting bracket
tinuous tramway between said missile launcher and said
4304. At the lower aft corner of the latch 4306, the
assembly and storage areafthe improvement comprising
latch 4306 is pinned to the'links 4303. The links 4308
latching means for releasably latching said ?rst and said
are then pinned to an anchor link 4322, which is screwed
retractable tramways together, said latching means includ
to the end of the piston'4314. The underside of the tri
ing a latch block operably secured to said retractable
angular-shaped latch 4306 holds the spring-loaded switch
tramway, a ‘roller operably mounted on said latch block,
actuator 4310. Switch SIPA7 is mounted to a small
a triangular-shaped latch pivotably mounted on said ?rst
bracket 4311 which is bolted to the bottom of the cylin
tramway, said latch having a?rst surface and a cam sur
der block 4312. '
face angularly spaced from each other, a single acting ?uid
The cylinder block 4312, in turn, is bolted to the under
motor having a piston operably biased to a ?rst position,
side of the mounting bracket 4304, and it contains the 25 said ?uid motor being operable to move said piston to a
two-land piston 4314. Covers 4318 and 4319 are fas—
second position, toggle means operably connecting said
tened to each end of the cylinder block 4312, with the
piston with said latch, said latch being in an extended
forward cover 4318 used as a guide for the piston 4314
position when said piston is in said ?rst position, said
while the aft cover 4319 serves as a spring retainer.
' latch being in a retracted position when said piston is
The spring-loaded piston 4314 remains extended in 30 moved to said second position, said retractable tramway
the latch position unless control pressure ?uid is ported
being movable to a retracted position and to a position
to it.
When a pilot valve 4272 ports control pressure
wherein said tramways are aligned, said roller on said
latch block contacting said cam surface when said retract
able tramway means moves into said aligned position
?uid to the piston 4314, the piston 4314 and latch 4306
retract. When the piston 4314 and latch 4306 have re
tracted, the switch SIPA7 is deactuated. At the same 35 from said retracted position thereby causing said latch
time, control pressure ?uid is ported to the piston 4314
to be forced toward said retracted position, said latch
and passes on to the upper door directional valve.
block and said latch automatically latching said retract
A positive stop 4324, as shown in FIG. 7, located
above the latch 4306, supports the mounting bracket 4304
against excessive upward thrust, which the span track
4200 may direct against the latch 4306.
The two pairs of latch rollers 4268 and 4269 are lo
able tramway and said ?rst tramway together when said
aligned position is reached, said motor being operable to
move said piston to said second position thereby retract
ing said latch and unlatching said retractable tramway
from said ?rst tramway.
cated on the aft end of the span track section 4201. In
latching the span track 4200 to the loader 2002, the two
latch rollers 4268 force the spring-loaded latch 4306 to
retract. When the span track 4200 is latched to the
~
2. The combination set forth in claim 1 wherein guide
rollers are mounted on said latch block, and cam guide
surfaces are mounted on said ?rst tramway in a manner
loader 2002, the bottom of the triangular-shaped latch
to e?ect and maintain proper horizontal alignment be
tween said ?rst and said retractable tramways when in
4306 rides the upper roller 4268 and forces the span
said aligned position.
track 4200 against a pair of projecting loader skid tracks
3. The combination set forth in claim 2 wherein means
2048 and 2050. This secures the span track 4200 in the 50 are provided which indicate the relative position of said
horizontal position with respect to the loader 2002. The
‘latch and said latch block.
engaging surfaces of the loader skid tracks 2048 and
References Cited in the ?le of this patent
2050 are equipped with contact pads 4302, as shown in
FIG. 7.
-
The lateral guide rollers 4269 on either side of the
latch rollers 4268, align the span track 4200 laterally,
as shown in FIG. 7. These rollers 4269 engage the cam
surfaces 2109 of trunk section VIII, and secure the span
track 4200 in the lateral plane. . Although the span track
4200 is aligned and secured laterally and vertically, it
may still ?oat longitudinally. A small gap for this pur
UNITED STATES PATENTS
55
1,553,439
2,350,092
Goldberg ____________ __ Sept. 15, 1925
Bock ________________ __ May 30, 1944
2,383,051
Everard ______ -1 ____ __ Aug. 21, 1945
2,440,350
2,642,814
Shafer ______________ __ Apr. 27, 1948
Anjeskey ____________ __ June 23, 1953
Whipple ______________ __ Dec. 3, 1957
2,815,085
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