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Jan. 30, 1,923.
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InvenTor
‘Fred A. PuTnum
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Patented Jan. 30; 1923.
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rnnn A. .PUTN'AM, or KEENE, NEW HAMPSHIRE, assrenon To MARKEM ‘MACHINE . v -
comranv, or BOSTON, MASSACHUSETTS, aconronnrronor Massnonnsnrrs;
7 TYPE wnnnnf ;
Application ?led Apri122, iézgtsein No.- 556,055.
To (ZZZ whom 2'17’ may concern:
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Be it known that I, FRED A. PUTNAM, a
citizen of the United States, and resident of
Keene, county of Cheshire, State ‘of New
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Hampshire, have invented an Improvement
" Fig. 3‘ is a ‘section on the‘ line 3-43, Fig. 2.
I Fig. dis a perspective View of‘ one ofthe
type blocks removed.
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Fig. 5 is a perspective View of thef'endof
onev ofthe type-carrying arms.‘ 7
in Type Wheels, of which the following de
scription, in connection with the accompany
ing drawing, is a speci?cation, like charac¢
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Fig. 16' is‘ an under side perspective view of
the type block.__
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"
The type wheelf'herein shown comprises
ters on the drawing representing like parts. a. body portion '1 which may‘have any suit-'
‘This invention relates'to type wheels for able shape .dependlngon the construction of
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use in those printing or marking machines the ‘marking‘machine with‘which ‘it is used. ,
that have a pluralityof independently-Each This body portion 1 is provided'with' a ‘plué‘
justable type'wheels each bearing a plurality rality' of‘ radially-extending arms 2 'each}
of type characters, an example of such mark adaptedto support a‘ type character. The
' ing machine being found in United States type characters areformed on type blocks‘ 70
Patents No. 15181365 and No. 1,131,959, both 3 which aresecured to the ends of the arms
dated March 16, 1915. p
.
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. Q?a'nd the construction is preferably such
One of'the objects of my present 1nven-' that thetype blocks 3 can be removed from
tion is to provide‘ a type wheel of this char the arms in 7 order vto permit them to be
acter which'is constructed so that the type
replaced by newtype blocks: Each type
are separable‘ from the'bo‘dy of the wheel. bloclrhas on its outer ‘face a type ‘character 4.
One advantage of this construction. is that These‘ "type blocks mayv be made in )7 any way.
if it is‘ desired for any reason to change one
or more of the type characters of anytype
without ‘ departing
from ' the
"invention. ' ‘
They might be made'as die castingsor the
wheel, such change can be effected by simply type-characters‘ Zl-fmay'be engraved or cut 80»
removing the type characters which are not thereon by any suitable means. In any
desired and substituting therefor othertype event the material of'which'the' type blocks 3 '
characters. In some, type wheels: the type are made will preferably be hard and ‘strong
characters are cast integral with thexwheel so thatthey'will stand up vunder hard and
and, of course, where this construction is
employed the only way to eli'ect‘a change in
continuous vusage.
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. In order to anchor'th‘e type blocks v3lito "
one or more of theitype ‘characters on the’ thearms 2 I propose to form in the end‘ of
wheel is to provide anew type wheel.
eacharin 2'crossing groovesfand'to provide
Another advantage which is derived from the typeblock with corresponding ribs and
this construction is that the type characters tongues to ?t the grooves. vBy having the. 90
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can be made from a relatively ‘hard material tongues and grooves crossing each other or
which will withstand the wear to which extending in different directions they serve
they are subjected, while the body of the to anchor the type block in place and pre
type wheel can be made of'a material which vent it from lateral movement in any di- i
while suitable for the body of the wheel rection.
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might not be suitable for the type characters.
in the construction herein each arm 2 is
6ther objects of the inventionv are to'im provided with a groove or'slot 5 extending
prove type wheels all as will be more fully transversely therelacross and-is also provided
' hereinafter set forth.
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with another groove or slot 6 extending
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In order to, give an understanding of the thereacross in another
direction,'preferably
invention 1 have illustrated in the drawings in a direction of the'plane of the type wheel.
a selected embodiment thereof which will One‘ of-these grooves is shown'as deeper
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now be described after which the novel fea than the other7 although this is not essential. >
tures will be pointed out in the appended In this construction the groove or slot 5 is
claims.
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Fig. 1 is a side view of a typewheel em
bodylng the invention.
deeper than the groove 6. .
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The type block 3 is formed with an in
wardly-extending tongue 8‘ of a size to ?t
Fig. 2 is a sectional view of one of the the slot 5. ‘and is also provided with a rib 9 j
type-carrying arms of the type wheel show of a. shape and size to fit the groove 6. The
' mg the type block in position thereon.
tongue and the rib intersect each other and
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because the tongue 8 is larger than the rib‘ thereon or may be‘made in any‘ other ‘way.
9, said rib will appear as two ‘separated The ‘typeeblocks are all interchangeable so
sections situated on opposite vsides of the ‘that if it is desirable at any time to change
the nrder ‘of the ‘type icharatters ‘or to pro"
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Each type block is retained in place by a vide 'di‘?er'e'n't type "characters, the type
locking pin 10 which extends transversely blocks can be readily removed and new ones
' through the arm 2, the wall of the slot '5 and" "inserted which will have the proper orde
ton'gne%8~.
one face of the tongueh8 each being provided.
or the desired type characters.
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with a groove'll to receive the ‘pin; lWh‘e'n ‘ While l have 'il‘lifi's’trated herein a selected ‘
the parts are assembled the two grooves 11 embodiment of the invention I do not wish to
form an opening extending transversely be limited to the constructional teatiilr‘es
throng'h the arm into which the pin 10 may
be‘ driven,
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In assemblingthe typeblock with the
type wheel, said block'will be inserted in its
place wit'hfthe tongue '8 ?tting into the slot
5 and the ribsections 9 ?tting into the groovev
6, after which; the locking pin 10 will
be driven into the aligned grooves 11. The
'20 rib sections 9 hold each type block from
shown.
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I claim.
‘ . 1. A type wheel having a‘ plurality of ra- " ’
dlal ‘type Carrying ?ring Bach provided at"
its end with two crossing grooves, and type
‘blocks. carried by said arms and each ha‘v-l .60
ing tongues and ribs?t't'ing said grooves,‘
2. In a type wheel, the combinationwith
a body portion having fa‘plurality of radial“ ‘
movement transversely of the arm 2 and the arms each'proyided'rwith 'a ‘slot extending
‘tongue 8 holds the block from movement across the end thereof in one direction an _. a 65
groove extending across ,‘the ‘end thereof 'i in ,
in a direction tangentially of the wheel.‘
With this ‘construction it is possible to ‘another direction, oi _~type blocks carried
‘ make the body of the type wheel of arell by said arms, each,v block; having a tongue
atively *cheap metal which, while having all to ?t the slot and a rib to'lit the groove, ‘and
the characteristics necessary for the body of means for locking theblocks t‘o'the aims}:
3. In a type wheel, the combination with
' acteri'stics’ for the type characters,v and to a body portion having radially-‘extending
make the type blocks of another kind ‘of arms, each having in its end a slot extending
material which is better suited vfor making transversely thereof and a‘ groove of less
> of type characters. In a type wheel having depth than’ the slot extending, at an angle
this construction the type characters can be thereto, of type blockscarried by said arms
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the wheel, does not have the proper char,
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made of a material which will withstand the ‘each having a' tongue‘ fitting the slot andfa ‘
wear to which, they are subjected while the rib, ?tting the groove, one wall of each, ‘slot
body of the type wheel can, be made of a and the tongue ?ttingsaid slot‘ each having
In this way a a groove therein, which grooves are ‘aligned
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type wheel of the highest quality, so far when the, block is in place, and'a locking
as service is concerned, can be produced at in said aligned grooves.
less expensive material.
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relatively small cost’.
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The type blocks can be made as die cast
ings or may be made of steel which is en
graved’ or out to form the‘ type characters
In testimony whereof, I have signed
name to ‘this specification, .
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‘FRED A. Permit.’ ,
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