Improvements in Machinery for Seaming Tin Cans and the like.
Year: 1894

page_text: Date of Application, 2nd May, 1894
Complete Specification Left, 4th Feb., 1895-Accepted, 6th Apr., 1895
PROVISIONAL SPECIFICATION.
Improvements in Machinery for Seaming Tin Cans and the like.
I, WILLIAM WALLER, Engineer and Press Tool Maker, of No. 30 Vauxhall
Walk, Vauxhall, S.E., do hereby declare the nature of this invention to be as
follows:-
:―
My invention refers to improvements in machines principally for seaming the
tops and bottoms of tin cans and other similar objects.
It consists in mounting in front on a suitable framework the pulley for the usual
vertical spindle and at the back are mounted the idle and driving pulleys. Loose
on the same shaft and in one with the driving pulley is another pulley which by a
belt, crossed or otherwise, communicates motion to the pulley of the vertical
spindle. Both the idle and driving pulleys are mounted loosely on the same shaft
as aforesaid and the latter is fixed eccentrically in a sleeve capable of being
adjustably fixed by a set screw or otherwise in such manner that the tension on
the belt may be regulated at desire to compensate for stretching for instance by
revolving the eccentric shaft and thereby varying the distance between the driving
shaft and the vertical spindle. The eccentric shaft is provided with a handle for
conveniently effecting the desired revolution when it becomes necessary.
Dated this 8th day of June 1894.
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.
COMPLETE SPECIFICATION.
Improvements in Machinery for Seaming Tin Cans and the like.
I, WILLIAM WALLER, Engineer and Press Tool Maker of No. 30 Vauxhall
Walk, Vauxball S.E. do hereby declare the nature of this invention and in what
manner the same is to be performed to be particularly described and ascertained
in and by the following statement :-
My invention refers to improvements in machines principally for seaming the
tops and bottoms of tin cans and other similar objects, whereby I am enabled to
adjust the tension of the belt or strap without interfering with the fastenings or
splices therein and at the same time simplify the construction.
Figure 1 is a side elevation of one modification of part of a machine constructed
according to my invention and
Figure 2 is a vertical section on the line X Y Figure 1.
Referring to the drawing 1 mount in front on a suitable framework A the
pulley B for the usual vertical spindle and at the back are mounted the idle
pulley C and driving pulley D which is cast or made in one with the pulley E,
the pulley D being by a belt in communication with another pulley on the
countershaft or other source of power. The pulleys CD and E are all loose on the
shaft F and motion is communicated to the pulley B of the vertical spindle by
means of a belt G crossed or otherwise and suitable striking gear is provided for
shifting the belt from the countershaft from the driving pulley D to the loose
pulley C. The shaft F is fixed eccentrically in a sleeve F' capable of being
Price Rs 1

page_text: adjustably fixed in position by a set screw H or otherwise in such manner that the
tension on the belt G may be regulated at desire to compensate for stretching by
revolving the eccentric shaft F F and thereby varying the distance between the
shaft F and the vertical spindle B'. Or instead of using an eccentric sleeve F¹
the eccentrically shaped part may be in one with the shaft F. The eccentric
shaft F is provided with a handle I for conveniently effecting the desired revolution
when it becomes necessary.
Although I have only described the shaft F as being mounted eccentrically it
will be understood that it may be mounted in any convenient manner so as to allow
of altering the distance between the vertical shaft and the driving gear without
departing from the invention.
A further advantage consists in driving the pulley B from the pulley E without
necessitating the use of intermediate guide pulleys, and under certain circumstances
the shaft F may be mounted in the ordinary manner thus dispensing with the
eccentric arrangement.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is:-
°
1. An arrangement or appliance applicable to machinery for seaming the tops
and bottoms of tin cans and the like consisting of a driving shaft mounted in such
manner as to be capable of being adjustably fixed at different distances from the
spindle of the machine on which driving shaft revolve the pulleys by which motion
is communicated to the spindle of the machine so as to permit of adjustment of the
tension of the strap or belt substantially as described and shewn.
2. A machine for seaming the tops and bottoms of tin cans and the like
consisting of a frame having driving pulleys and an idle pulley or the like and a
pulley mounted on the spindle and connected to the driving pulley by a belt
without the use of intermediate or guide pulleys substantially as set forth.
3. The apparatus shown on the drawing.
Dated this 4th day of February 1895
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.