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Патент USA US2126298

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‘Patented Aug. 9, 1938
“ 2,126,298
UNITED STATES
‘
‘
,
‘
'PATE NT ' OFFICE
2,126,298
‘
_
FILM SPLICING APPARATUS
‘
Wittel, Rochester, Y., assignor, by mesne
assignments, to Eastman Kodak Company, Jer
‘
' Otto
, sey City, N. 1., a corporation of‘New Jersey .
Application March 4, 1936, Serial No. 67,086
(Cl. 154—42)
‘ 1 12 Claims.
This invention relates to photography and par
ticularly to ?lm splicing apparatus. One object
line 1-1 or Figure 3
‘of my invention is to provide/a. ?lm splicer in l
which‘ the scraping tool ‘is slidably mounted be
Cr tween a pair or cutting knives and con?ned
thereon} by means of a spring vmember mounted
on the base of‘ the splicer so that it can be
; pressed to release saidescraper from, its sliding
engagement with said knives for the purpose of
engaging clips, and
,
and showing the platen
Figure 8-ls an enlarged partial section of the
splicer particularly showing the means for fric-y
tionally holding the liquid containers in the re- ‘
ceptacles on the base 01’ the splicer.
Like reference characters refer to correspond
ing parts in the several figures.
l
Referring to Figures 1 and 2, wherein a pre
cleaning said scraper: Another object is to pro
ierred embodiment of my invention is illustrated,
vide a splicer in which v‘said above-mentioned , thespllcing apparatus consists of a base l?'sup
‘ con?ning spring member is provided with arms porting a stationary table II, and a movable
which project into the liquid receptacles on the table l2, saidcmovable table carried by'a plu
base of the splicer to act as spring clips for fric
rality of parallel ‘links I3, ‘these links being sup
T15 tionally 'holding ‘the bottles of liquid in said “ ported on the base’b‘y being pivoted at It and
receptacles. And still another object is to pro
being attached to the table’ l2 by pivots l5; This
vide a movable mount for a?lm table by which 'movable table may, therefore, swing from the'
the table may be swung to a stationary table cutting and‘scraping positions shown in Figures 1
with the ?lm in the‘pro‘per position. Another and 2 to a splicing position wherein it overlaps‘
object is to provide a spi'ing‘tension tor the mov
said stationary table II by a given amount, the
able table so that said table acts as a pressing path of said table’ taken in swinging between 20
means for the spliced joint when it is swung ‘ its cutting and splicing positions being indicated
toward the stationary table. Another object is by broken lines in Figure 6.‘
to provide a simple, cheap and e?icient means for
Each oi’ said film tables is provided“ with a pair
hinging the platen‘on a ?lm‘holding table so of de?nitely spaced locating pins 16 which are
that they will be -spring_pressed into their ?lm adapted to engage the perforations of a ?lm 2,5
engaging positions. Another object is to pro
strip and‘ properly locate said ?lm strip for the
. vide a simple and e?icient spring catch for fric _ cutting, scraping and splicing operations.
tionally engaging said platens and holding them ?lm. is held on said tables by means of a pairThe,
of
in ?lm engaging positions.‘ And another object hinged spring pressed platens IT. For hingedly
10
in my invention is to provide a scraping tool which
_ ~is slidably mounted between a pair of knives so
that it will not hinder the trimming action of
said knives regardless of its position thereon; but
s5 which, has su?icient weight to carry it out of
scraping position when the knives are raised in
their‘ inoperative position.
~ ;
‘
connecting the ‘platens to said tables in a simple 30
and e?icient manner, the rearward edges ‘of said
tables are‘suitably stamped out to form a plu
rality oi’ upturned cats is and recesses i9. The
rearward side of the platen is provided with a
pair or L-shaped ?ngers 20 which are perfo-_ 35
rated to slip over the upturned ears l8 and allow
The novel features that I consider characteris ,said platen a 90 degree rotation with respect
tic of my invention are set forth‘ with'particu- ‘ thereto. . To provide a spring pressing means for
,
40
‘ 45
larity in'the appended claims. The invention,
the platen, a bent leaf spring member 2| is
itself, however, both as to its organization and‘ pinned at 22 to an L-shaped lug '23, bent up 40
its methods of 0Deration,'together with addi
from the ?lm holding table, ‘so that its opposite
tionai objects and advantages thereof, will best ends are normally resting on a, portion of the
be understood from the following description and ‘ L-shaped ?ngers 20 of the platen, and thereby
specific embodiments when read in connection normally‘force said platen ‘to its ?lm holding
position. The platen is suitably‘cut accurately,
with the accompanying drawing in ‘which,
Figure 1 is a plan view of the splieerv con
as shown at 24, to allow said platen to be rotated
structed, in accordance with and ,embedyin'g ‘a
to a vertical position without interfering with
the leaf spring member 2! mounted at the hinge
preferred form oi’ my invention;
’
'
hi) , Figure 2 tea front elevation of the splicer oi '
e
h
V
lineI-l oi Figure 2.
p
,
'
a
.'
'
‘ Figure 6 is a section taken online 6-8,,of Fig
ure 3;
I
45V
‘
50
,
Figure 5 is a perspective of_ the ?lm scraper;
‘
‘
The iilrn platens I‘! are frictionally held in
~ Figure 1 with the kuite- in cutting position;
Figure 3 is a section taken on line 3-3 of Fig- ' itheir ?lm engaging positions on the tables by
the engagement of an aperture 25 in said platens
Figure 4 is a section taken substantially on and a spring catch 26. Referring to Figure 7,
-ure 2;‘
555
thereof.
‘
'
"/
a ‘ so ‘ Figure 7 is aenlarged partial section taken on
the spring catch designated broadly by 26, consists 55
of a spring 2'1, which is wound around a pin 28
‘,llxed to vertical portion 29 of the ?lm table II or
‘ l2.
Opposite ends of the-‘spring 21 are suitably
formed to provide nose portions 30 which project
up through-splat ii in the dim tables ii or so
'
2%
' 2,126,298
l2, and overlap the con?nes of the aperture 25 intermediate the ends of the table I2 so ‘as to
in the platen to frictionally hold said platen l1 , receive the shear block 4| when the table is
in its lowered position. The spring catch 26 is moved to its splicing position. The cooperation
of such resilient strength and shape-as to allow
the platen ii to be snapped into engagement
therewith under the action of the spring press
ing means ‘2|, and to allow disengagement oi’ the
fastening when a sufficient lifting ‘force is ap
p plied to the platen by the operator.
10
-
After placing the ?lm to be spliced on the table
II and I2, the ends may lbeicut by means of a.
between the cut-out IM and the shear block 4|
permits the- table I2 to assume thelsame plane
as the table || when moved to its splicing posi
tion, in which position the platen H on the mov
able tabIe overlaps the shear block 4|’ associated
with' the stationary table to effect a proper over-'
lapping and splicing of the ?lm strip.
As shown 10
most clearly in Figure 6, a toggle spring 50 has
one end fastened to a pin 5| which is ?xed to the
base l0, while the other end is fastened to a
' to the base II) by having studs 38 ?xed thereto depression 52 in the movable ?lm table l2. The
rotating in bearings 39 ?xed to the base III. The pin 5| is so located with respect to the two
forward ends of the shearing members 31 are optional positions of the movable table l2 that
the’ point of fastening of said spring on the table
connected by a cross member 40 which serves as
a handle for bringing the knife into its cutting, .will not be directly above the pin 5| when the
position as shown in Figure 2, so thatthe shearing links |3 of said table are in the vertical position,
in which case there would be a tendency to hold 20
20 .members 31 cut the ?lm across the ?xed shear
the movable table |2 in a half-way position, but
blocks 4| and 4|’.
will always provide a resilient force to throw the
As shown in Figure 5, the ?lm scraper con
sists of a comparatively heavy slide member 42 table into either its cutting or splicing position
knife 36 comprising two individual, shearing mem
bers 31 which are individually rotatably hinged
relative to the stationarytable II. This toggle
spring 50, therefore, serves to resiliently force 25
provided with grooves 43 which extend length
wise of the member, said grooves being adapted
to fit the shearing members 31 of the knife 36
the movable table |2 into either‘its proper cut
ting‘ or splicing position and. hold the same
and give the slide member 42 a sliding engage
therein until altered by the operator, and in the
splicing or overlapping position of the table this
spring 53 provides a resilient means for pressing
the spliced joint until it is su?iciently dry to be
ment therewith after it is slid thereonto from the
rear. or open end of said shearing members 31.
30 Two stop members 44, see Fig. l, are provided
on the base 10 in the path of, the knife 36 to
engage the separate shearing members 31 thereof
for the purpose of limiting its movement so
that when the knife is in the cutting position,
removed from the splicing table.
is ?xed to the base ||l by means of screws 56 and
is provided with a ?exible ‘?nger 51 which is 35
adapted to enter the open end of the shearing
members 31 to prevent the slide member 42 from
accidentally sliding off of said shearing members.
If it is found desirable to remove the serrated
35 shown in Figure 2, the top edges of the shearing
members 31 will be flush with the upper surfac
of the shear blocks 4| and 4|’;
,
Referring now to Figure 4, a spring member 55
-
A serrated tool 45 is adjustably mounted on
the side of the slide member 42 to slide there
with to act as a ?lm scraper when said slide
member 42 is reciprocated on the shearing mem
mounting of the serrated tool 45 on the side of
the slide member 42 is suitably made to provide
for aslight amount of adjustment of said tool
tool 45 for any purpose, such as cleaning, etc., the 40
flexible spring ?nger 51 can be pressed to the
position shown in dotted lines wherein the open
end of the shearing members 31 is left unob
structed and the slide member 42 and along with
it tool 45 can be slid off and .on said shearing
relative to said slide member so that it can be
members 31 with ease.
adjusted to just remove the emulsion coating of
i the ?lm when it is reciprocated on the shearing
Integral with the spring member 55 are a pair
of spring arms 58 which are adapted to.extend
members 31, in the position shown in Figure 2,
into a pair 1'of receptacles 59_which are provided
but not scrape away or injure the ?lm base.
Therefore, when the tool 45 is properly positioned
on the base for receiving bottles 60 of liquid re
quired in splicing a ?lm. These receptacles are
on the slide it will not contact the upper surface
, shown as being cast on the base l0, but it is to
of the shear block 4| or the shearing member 31,
be understood that they may be associated. with
the splicing apparatus in any suitable manner so
bers 31 in the position shown in Figure 2. The
but will remove a given width of emulsion from
long as they are portable therewith' As shown
clearly in Figure 8, a portion of the walls 6| of
receptacles 59 is removed, and the ends 62 of the ‘
spring arm 58, which are bent in the form of a
the ?lm positioned on said stationary table II.
,After the ?lm has been cut, scraped, and ce
mented, and the knife has been raised from be
- tween'the ?lm tables, the movable table I2 is
U to provide suitable spring portions, extend into
swung into overlapping position with the sta
the receptacles 59 a su?lcient distance to fric 60
tionally engage the containers 60 when they are
slid thereinto to hold said container‘s against acci
dental removal therefrom.
60 tionary table II in the customary manner, as
indicated in Figure 6, and the two prepared ?lm
ends are properly overlapped f'or splicing. .As
appears in Figs. 1 and 6, the movable table I2
Although I have shown' and described certain
is provided with spaced cut-out portions I00 and
speci?c embodiments of my invention, I am fully 65
65 |0| into which the stationary shear block 4|
aware that many modi?cations of the same are
associated with said table I2 is adapted to ex
tend when the movable table is in either of its
two positions. When the table I2 is in its cut
ting position, see Fig. 1, the shear block 4| ex
70 tends through ‘the cut-out portion 100 in said
table a su?lcient distance to be ?ush with» the
top of the table and form a support on which
one end of the ?lm strip is held by the platen
l1. The other opening “H, see Fig. .6, ‘is equal
76 in width to' the shear‘ block 4| and is situated
possible. Therefore, my‘invention is not to be ,
limited except in so‘far as is necessitated by the
prior art and the spirit of the appended claims.
Having thus described my invention, what I de 70
clarev is new and desire to secure by Letters
Patent is:
I
I
1. In a film splicing blockuthe combination with,
a base, a pair of ?lm holding tables mounted
thereon for receiving ?lmrof a double bladed 75
, ,
3
‘ 2,126,298
knife pivoted on said base and adapted to move
8. In‘a ?lm‘splicing block, the‘ combination with
between said tables to sever a ?lm thereon, a ?lm , a base member, a pair of-?lm tables mounted‘
scraper slidably mounted on the bladesof said thereon for receiving ?lm, of a knife adapted to ‘
knife, and suitable means ?xed to‘said base and move between said tablesto sever the ?lm, said
projecting into the path of said ?lm scraper to', knife comprising a pair of parallel shearing mem
.
_
bers individually pivoted to said base, of a bar
2. In a ?lm splicing block, the combination with, member across the free ends of said shearing
‘a base, a pair of ?lm holding tables mounted members to act as a handle, and a ?lm scraper
thereon for receiving ?lm, of a knife pivoted on slidably mounted on said shearing members for
said base and adapted to move between said . reciprocal motion transversely of said ?lm- table.
tables to sever a v?lm thereon, a ?lm scraper
9. In a ?lm splicing block, the combination with ‘
slidably mounted on said knife vto remove a a base member, a pair of ?lm tables mounted
given width of emulsion from said ?lm, and suit , thereon-for receiving ?lm, of a knife adapted to .
able means mounted on said base and projecting. move between said tables to sever the film, said
, into'the path of said ?lm scraper to limit its knife comprising a pair of parallelshearing mem¢
travel in one direction.
bers individually pivoted to said‘ base, of a slide
3. In a ?lm splicing block, the combination with member slidably mounted on said shearing mem
a base, a pair‘ of ?lm holding tables mounted bers; and a serrated tool adjustably mounted on
thereon for receiving ?lm, of a knife supported said slide member and'adapted to scrape a given
by the base and‘ comprising a pair of parallel width of emulsion from said ?lm as said slide
. shearing members adapted to sever the ?lm on member is reclprocated on said shearing members.
'the two tables simultaneously, a scraper slidably»
‘10. In a ?lm splicing block, the combination
prevent its removal from said knife.
mounted on said shearing members, and a re
tractable member mounted on said base and
adapted to normally project into the path of
said scraper for limiting its sliding movement
in one
direction.
,
.
i
.
with a base member, a pair of ?lm tables mounted "
thereon for receiving ?lm, of a knife adapted
to move between said tables to sever the ?hn, 25
‘said knife comprising a pair of parallel shearing
members individually pivoted to said base, a bar
,4. In a ?lm splicing block, the combination with
member across the free ‘ends of said shearing
members to act as a handle, of a ‘slide member
30 thereon, movable mounts for one ?lm vtable, of ,
slidably mounted‘ on said shearing members, a
a double-bladed knifepivoted on said base and serrated tool adjustably mountedon said slide
adapted to move between said tables to sever the member and adapted to scrape a given width
?lm thereon, a ?lm .scraper slidably mounted on of emulsion from said ?hn as said slide member
said knife,.and a retractable member mounted on is reciprocated on saids‘hearingmembers, and a
- said base in the path of said-scraper to prevent - spring member ?xed to said base and adapted 35
a base, a pair of ?lm holding tables mounted
‘
its accidental removal from said knife.
‘
x
5'. In a ?lm splicing block, the combination with
a base, a'pair of ?lm holding tables mounted
thereon for receiving ?lm, a movable ‘mount for '
40 ‘one table, a knife pivoted to said base to move
. between said ?lm tables to sever the ?lm thereon,~
said‘ knife comprising a pair~of parallelly dis
placed shearing members closed at one end by a’
.45
to extend into the'path of said slide member .
to ,prevent its accidental removal from said
shearing members.
'
‘
'
11. In a. ?lm splicing apparatus; the combine.- .
tion with a base, a pair of ‘?lm holding tables
mounted thereon for receiving a ?lm, one table
handle and opened'at the pivoted end,_, a '?lm
being ?xedly mounted on the base, and the other
table being movable, a plurality-of links pivoted
to the base and to the movable table, whereby
scraper slidably‘ mounted on the shearing mem
bers, and a spring member mounted on said
base to extend into the open end of said shear
splicing position relative to the stationary table,
a platen hingedly mounted on the movable table
ing members to prevent said ?lm scraper from
being accidentally disengaged from said knife.
6. In af?lm splicing block, the combination with
50
a base, a .pair of tables mounted thereon for re-,
ceiving ‘?lm, a knife adapted to move between
said ‘tables to sever the ?lm, said knife com-~
prising a pair of ‘parallel shearing members in
dividually pivoted tc-said base and closed at their
, free ends by a cross-bar, a ?lmscraper slidably
~ mountedon said knife, of a spring member ?xed,‘
the movable ‘table may swing to or from a ?lm
for holding a ?lm thereon, the platen on said
-movable table overlapping the stationary table
in ?lm splicing position, and resilient'means ?xed
to said base and said movable table for, alter
nately forcing said movable table into one’ of its‘
two positions relative to said stationary table,
and for causing the platen on, the movable table
to press the ?lm splice in said ?lm splicing posi
tion.
1
,
"
,
l
'
.
~12. In a ?lm splicing apparatus, the combina
to said base and normally- extending into the path’ tion with a base, a‘ pair of ?lm holding tables
of said slide member to limit the travel thereof -.;mounted thereon for receiving‘ a ?lm, one table
‘60 in one direction, said spring ‘member adapted to
_
be depressed to allow said scraper to be re
’
? moved from said knife for-cleaningv purposes. "
7. In a ?lm splicing block, the‘ combination with ‘
.70
being ?xedly mounted on the base, and the other. to
*‘table being movable, a plurality of links pivoted‘
4 to the base' and to thermovable table,"whereby
the movable‘ table may swing to or from a ?lm
a~base,-a pair of ‘tables mounted thereon for re ' splicing position'relative to the; stationary table,
ceiving ?lm, a knife adapted‘ to move between a platen hingedly mounted on the , movable table as
said tables to sever the ?lm, said knife “comprising )for holding a ?lm thereon, the platen .on said _ a pair of parallel shearing members individually movable w table, overlapping tb'egistationary table
pivoted to said base and closed at their free ends in ?lm splicing position; and :ajtoggle spring ?xed
by a bar member, a ?lm scraper slidably mounted .to said baseland said movable table for alternately‘
on said knife, of a suitable means associated with forcing said movable table-iinto one of its two
the. pivoted end of said knife adapted to optionally‘ positions relative to said stationary table, and for
con?ne said scraper‘ to sliding engagement onv causing "the platen on themovable table to press
said knife or release it
purposes.
therefrom for cleaning
the ?lm’i splice in‘ said ?lm splicing position.
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