No, e2|,57|.
P a .t e n t e d M a r. m m 9 0w
s. c. JONES & w. MAYO.
TRIPOD ' STAND.‘
- (Application ?le'd Oct, 81,1898.)
(No Model.)
-
Witnesses.
InventonS'
01. [Macaw
ttorneyd
THE 'mmms PFI'ERS ca. Paolo-Limo” WASHINGTON‘ u. c‘
UNITED ‘ STATES
PATENT‘ Orrrcn.
SETH C. J ONES AND WILLIAM MAYO, OF ROCHESTER, NEIV YORK, 'ASSIGNORS
' TO EZRA R. ANDREWS, OF SAME PLACE.
TRIPOD-STAN D.
vsrncrrrcnrrcnv forming part of Letters Patent No. 621,571, dated March 21, 1899.
Application ?led October 31, 1898.‘ Serial No. 695,084. (No inodel.)
tions as and the projecting edges of the ?at
T0 ctZZ whom it may concern:
Be it known that we, SETH C. JONES and tened end‘b2 lap over the edges of said per
\VILLIAM MAYO, citizens of the United States, forations, so that the pin cannot be withdrawn
and residents of Rochester, in the county of from the perforation until the leg is so turned 55
Monroe and State of New York, have invented that the widened edges of the end of the pin
certain new and usefulImprovements in Tri register again with the slot oz. The position
pod-Stands, of which the following is a speci of the leg with reference to the base-plate for
insertion of the pin is preferably such that
?cation.
’
in the position for insertion of the pin the leg
This invention relates to tripod-stands.
IO
The object of the invention is to produce a is at an angle to the car a or a’ such as would
simple, cheap, and effective device; and the not occur when the tripod is in use.
The legs B of the tripod are constructed in
structions hereinafter described and claimed. a manner well known and having upper ends
In the drawings, Figure 1 is a perspective capable of moving or springing toward each
View of the head of the tripod-‘stand embody other, as shown in dotted lines in Fig. 1, so
ing our invention. Fig. 2 is a bottom plan that the pins 1) may be inserted through the
view of the base-plate thereof. Fig. 3 is a slots in the cars a a’.
It is not essential to our invention that the
cross-section on the line 3 3 of Fig. 2. Fig. 4
illustrates the mode of connecting the tripod-‘ ears a a’ should be integral with the body of
the base-plate A, but of course may be at
20 leg to the base and of locking the same thereto;
and Figs. 5 and 6 are respectively a side ele tached in any well-known manner to a sepa
vation and an end elevation of the end of a rate base-plate,-provided the ears are arranged
upon the said separate base-plate in a manner
tripod-leg bearing one of the locking-pins.
1 In the drawings, A represents a base-plate similar to that shown in the drawings.
In order to attach the base-plate A to a cam
25 made of a sheet of suitable metal, having a era or other device to be supported thereon,
series of‘ ears ct a.’ turned down from the edges
of said plate to form related pairs. Through it is desirable to provide a screw G, extending
invention consists in the mechanisms and con
65
'
70
75
each of the ears is cut a slot a2, having in the upward through the base-plate and properly'
middle an enlarged portion (F. In this en attached thereto. In order to attach a screw
larged portion as, which is shown as circular to the base-plate A in a cheap and effective
in the drawings, rests the pin 1) of a tripod - manner, we provide the screw with a head 0, I
leg B, so that the leg may be turned in said which in the form shown is hexagonal, but
circular ‘portion a3 in the ear a or a’ in order which may be circular or of any other'form.
to fold the legs together or to spread’ them If it is notimportant to prevent the screw 85
from turning, the head may be circular; but
The pins 1) project laterally and' in opposite if it vis desirable to prevent it from turning‘
35 apart for setting the tripod upon the ground.
' directions from the tripod-legB, near its up
per end. The end of the pin 17 is deformed
or spread in order to form the portion b2, hav
40 ing a width greater than the diameter of the
we provide flat faces 0’ on the edges of the
head of the screw for engagement with sup
porting and holding ears, which we make in 90
the following manner: From the body of a
circular perforation a3 in the ear Ct or a’ and sheet-metal base-plate A we punch portions
is of such shape as to produce the side edges .or cars 02, which are turned downward from,
b3 of the ?attened portion b2, whereby the pin the base-plate and are integral with it on the
can pass through ‘the slot a2 when the leg is lines as, soy that the ears 02 are arranged closely
45 in a particular position—such, for instance,
as shown in dotted lines in Fig. 1l—but which
around the head of the screw. . The ears 02
may then be turned over to press against the
cannot‘ enter the slot except when the wings edge of the screw-head c, with the ends of the
or edges I)“ register with the slot. If the leg ears extending under the same, and thus hold
is now turned from the dotted-line position the screw between a portion of the base-plate
the turned ends of said cars. In case
50 in Fig. at to the-position shown in full lines Aand
in said ?gure, the pins 1) rest in the perfora it is desired to prevent the screw from turn
I00
2
'
621,571
ing, the ears, as above stated, press against and bent down against and over the head of 25
the ?attened edges 0 of the screw-head, and said screw.
the screw therefore can neither turn with ref
3. In a tripod-stand, a sheet-metal base
erence to the base-plate nor be disconnected plate, a screw passing through said base-plate
therefrom without breaking or straightening and having a head adapted to rest against the
the cars 02.
WVhat we claim is——
same and ears punched from said base-plate
and turned down and around the edge of said
1. In a tripod-stand, a base-plate having
pairs of downwardly-turned ears, each ear
4. In a tripod-stand, a sheet-metal base
having a perforation therethrough and a slot plate, a screw adapted to pass through said
extending across said perforation, a tripod-leg base-plate and having a head adapted to rest 35
having upper end bars movable to and from against the same, and ?attened portions upon
each other, and a pin on each bar having a the edge of said head, and ears integral with,
widened end whose longest dimension is said base-plate and turned down therefrom
greater than the width of the perforation, and adapted to engage against the ?attened,
said ends being adapted to pass through the portions of said head and turned down and
slots, whereby the pins may be inserted into’ over the edge of said screw-head and en gagin g
the perforations when the widened ends are. against the flattened portions of said head.
screw-head.
IO
passed through the slots and are retained in ‘
20
WILLIAM MAYO.
2. In a tripod-stand, a sheet-metal base- '
same, and ears integral with said base-plate
r
sE'rH o. JONES.
said perforations when turned therein.
plate, a screw passing through said base-plate
and having a head adapted to rest against the
_
\Vitnesses:
O. S. DAVIS,
C. M. PERKINS.