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Патент USA US2405641

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Aug. 13, 1946.
' -F_ A, CQNTERMAN '
'
2,405,641
ROLL PRESSURE ADJUSTER FOR WRING'ERS‘ '
Filed July 51, 1943 I
56.3.
@W
2,405,641
Patented Aug. 13, 1946
UNlTED' STATES PATENT OFFICE’
ROLL PRESSURE ADJUSTER FOB
WRINGERS
Fred A. Conterman, Jamestown, N. Y., assignor to
Jamestown Metal Equipment Company, Inc.,
Jamestown, N. Y., a corporation of New York
Application July 31, 1943, Serial No. 496,900
3 Claims.
(Cl. 68-262)
1
upper surface of each heating I4 is engaged by
an end portion I‘! of a roll spring [8.
Directly over the central portion of the spring
This invention relates to an improvement in
washing machine wringers and particularly to a
roll pressure adjuster.
It is common practice to provide wrin‘gers with
l8 the cover may be formed with a reinforced
manually operable adjusters by which to vary the 5 portion, such as indicated at l 9, and this portion
provided with an opening 2|, the inner end of
roll pressure through adjustment of the pressure
which is .counterbored, as at 22.
of a roll spring. However, it is considered ad
vantageous to the operator of a wringer to be
able to determine the roll pressure best suited for
a given type of clothes without the need of run
A substan
tially circular adjusting knob 23 is located exte
riorly of the cover l2. This knob, as shown, is
hollow and includes diametrically opposite aper
tures 24. Within the knob is a centered ?xed
hub 26 that is adapted to receive an internally
threaded sleeve 21.‘ The sleeve 21 is secured
ning a trial piece through therolls. To this end,
the present invention has been developed and, in
addition to providing necessary roll pressure ad
against rotation and displacement with respect
justing means, provides, through an index struc
ture, visual markings by which an operator may 15 to the hub in any suitable ‘manner, as by a set
screw 28. The lower end of this sleeve is formed
determine the roll pressure for which the ad
juster has been set.
with an annular rim or flange 29.
'
The central portion of the spring I8 is enclosed
by a pair of straps 3| that include abutting, up
invention to provide aroll adjuster that is freely
operable, regardless of the roll pressure to which 20 standing ?anges 32. These ?anges are formed
with concentric, transverse» openings through
the adjuster has been previously set. It is also
which a, horizontally disposed rod 33 projects. A
an object of the invention to provide an adjuster
threaded shaft 34 projects into the sleeve 21.
that discloses to the wringer operator the extent
This shaft, at its lower end, terminates in a fork
of roll pressure through suitable markings at any
given position of adjustment. It is also an ob 25 like portion consisting of a pair of spaced apart,
parallel arms 36. The lower end of each of these
ject of the invention to provide a roll pressure
It is an object and advantage of the present
arms is arcuate, the lowermost portion of the arc
adjuster which may be changed from one mark
contacting horizontal portions of the straps 3i.
ing to another and readily indicate to the oper
ator, without trial, that the roll pressure is as 30 Concentric openings in'the arms 36 are of a size
to receive rod 33. The rod is prevented from ax
desired for the type of clothes to be passed
ial displacement with respect to straps 3| and
through the wringer.
arms 36 in any suitable manner, as by a struck
Other objects and advantages of the invention
up portion 31 and cotter pin 38. Adjacent the
counterbored area of the reinforced portion I9,
will be more fully understood from a considera
tion of the following speci?cation, taken in con
junction with the accompanying drawing; and in
which’
Fig. 1 is a fragmentary vertical sectional view
CA the cover includes a pair of depending arms 39‘.
These arms are spaced to receive an end of the
rod 33, and, serve as a guide for the rod during
use of the adjuster.
of the top portion of a wringer in which one form
' The other end M of the rod 33 may be of re
of the invention is embodied;
Fig. 2 is a fragmentary front elevational view 40 duced diameter to mount one end. of an indexing
pin 42. This pin projects upwardly through a
of the top portion of. a wringer, parts being broken
suitable opening in the reinforced portion IQ of
away to disclose certain structural details; and
the cover into the interior of the knob 23. The
Fig. 3 is a vertical sectional view taken sub
pin is provided with‘ suitable index markings,
stantially on the line 3—3 of Fig. 1.
45 such as indicated at .43, these markings being vis
Referring to the drawing, the reference nu
ible through one or the other aperture 24 in the
meral I0 is employed to generally designate a
rim of the knob.
,
wringer in which one form of the invention is
In assembling the structure, a bearing washer
embodied. The wringer comprises a body por
44 is seated in the counterbored area 22 prior to
tion H and a removable cover l2.
For conven
ience of illustration, only that portion of the
wringer is shown in the drawing that concerns
50
projecting the sleeve 21 through the opening 2|.
When the sleeve has been properly installed, the
rim or flange 29 thereof abuts washer 44. A fur
ther bearing washer 46 is mounted on the sleeve
upper roll 13 mounted in end bearings M, these
21' and rests upon the upper surfaceof the rein
bearings being located in channel guides l 6. The 65 forced portion lil. When the interior parts of the
the invention, and such disclosure includes an
2,405,641
3
4 .
structure have been assembled, the knob 23 is
" mounted by enclosing the upper portion of the
sleeve 21 in the hub 26 and turning dOWn the set
screw 28.
-
The adjuster is operated by rotating knob 23 in
one or the other direction, and such rotation
feeds the‘ shaft-34 upwardly or‘ downwardly; of the
sleeve 21. If movement is in a direction to move
the shaft downwardly, the arcuate ends of arms
36 a ply pressure to depress the central portion
of t e spring l8 and thus increasethe. pressurev
,ture and including means preventing displace
ment from a position of close proximity with said
structure, a shaft having threaded engagement
with said member and being axially movable by
rotation of said member, said shaft having oper
ative engagement with said spring, and means
preventing rotation of said shaft during axial
movement thereof, said means mounting an in
dicator pin in a manner to be axially movable
with and to the same extent said shaft is mov
able, said pin being capable of such movement
of t 6 spring ends I‘! on the bearings M ‘of the; . : with-‘respect to said member as to give indication
upp ‘ r wringer roll I3.
Since the top roll is in "
contact with the lower roll (not shown), pressure 7
applied in this manner willi'be- directly'transei
of the extent to which said shaft has actuated
said roll pressure spring.
2; Inagwringer structure having a pair of ad
justable rolls and a spring operable to exert a
yielding pressure on said rolls, an adjusting device
for ‘said spring comprising a hollow member
to feed the shaft 34 downwardly of the sleeve 21',
pin 42 will also move downwardly and thus‘ an-‘
mounted '_8Xi381‘l01‘]¥ of said structure for manual
other marking 43 will be. made visible through one 20 rotative movement, a shaft having a threaded end
engaged with and enclosed, by said member and
of the apertures 24. For example, if it is desired
mitted to the rolls. It will, of" course, be appre-'
ciated that as the knob is rotated in a direction a’
to wring out clotheshaving inconsequential bulk,
being axially movable by rotation of said member,
or to wring out heavier clothes to, agreater degree
of’ dryness, the knob 23 is rotated until the mark
ing “3”‘is .visible through one of the apertures 24.
If a lesser degree of 'pressureiof ‘the rolls is de
sired,v reverse rotation of. the knob 23,- will bring
said shaft being joined to said spring in a manner
to alter the tensionv thereof .upon rotation of said
member, andan, indicator pinpjoined to and mov
themarking “2” 'or="1”winto registry-withone of
the openings 24. ‘.It will be clearly understood
and markings on said pin register-able with an
that a wringeroperator may repeatedly obtain ,
theextent of pressure applied tosaid rolls,
the same degree of? roll pressure by rotating the
knob 23 in one direction'or the other until the
3._ In a wringer structure having a pair of ad
justablegrolls and a spring operable ,to exerta
yielding pressure on said rolls,.an adjusting de
vice, for said spring comprising a hollow rotatable
member located exteriorly, of said structure and
desired‘marking, registers with one of the open
ings 24.
;
Although applicant has shown and described
his invention in its application to one. type of
wringer, it will be understood that variations of
the structure maybe made and are contemplated
in the-application of the structure to other wring
able. v.withsaid; shaft, said pin projecting through
said structure into the interior of said member,
aperture in said member andserving to indicate
havingmeans preventing axial. displacement with
respect to said structure, a non-rotatable shaft
projecting into and having a threaded end en
closed by said member, said shaft being joined to
saidspring and movable in the. direction, of its
length by rotation of said member to alter the
spirit and scope of the annexed claims.
pressure of said rolls, and an indicator pin joined
Having thus set forth my invention what 1
claim as new and for which I, desire protection
to and movable in therdirection of movement of
said shaft,.said pin projecting into said member
by Letters Patent is:
1.- En. a-wringer structure having a pair of ad 45 and includingv markings adjacent the. upper end
registerablewith an aperture in, said member to
justable rolls and a spring operable to exert a
indicate the pressure of said springas applied to
yieldinglpressure on said rolls,‘an adjusting de
ers insofar as such variations are within the
vice for said‘ spring comprising a manually ro
tatable" member mounted exteriorly of said struc
said rollsl
_,
,
FRED A. CON'I‘ERMAN. .
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