Improvements in Button Setting Pliers.
Year: 1894

page_text: Date of Application, 17th Sept., 1894-Accepted, 1st Dec., 1894
COMPLETE SPECIFICATION.
Improvements in Button Setting Pliers.
I, HERMANN FRIEDRICH WELKE of 43 Elberfeldstrasse, Hagen, Westphalia,
Germany, Manufacturer, 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 :-
These selfacting tongs serve to fasten buttons to leather or other material in a
imanner superior to that attained by the tongs used till now. Anybody is able
without special experience to handle these new tongs. In use the human hand has
only to put in the button and a straight headed pin and then to close the tongs.
The tongs execute all manipulations namely the holding the button and the pin,
the proper central formation of a shank or eye out of the straight pin and the
clasping the eye in the proper place on the shank of the button.
The tongs mounted on a stand or pillar are shewn in perspective in Figure 1 of the
drawings. Figure 2 is a perspective view of the jaws with a button inserted in one
jaw and a headed pin in the other; Figure 3 is an end view of one jaw; Figure 4
is a face view of the other jaw; Figures 5 and 6 are side view and end view of a
straight headed pin and Figure 7 shews the latter bent into the shape for
fastening.
On the left jaw is provided a sloping bed a to receive the button which lies
obliquely, the shank being directed downwards (see Figures 1 and 2). While in
the usual tongs the button has to be retained by the fingers, it is here held fast
after being laid in loosely; this is effected by a light flexible spring b.
is a bent double armed lever which in the using or shutting of the tongs, presses
upon the spring and so prevents the button from slipping out of its place. The
lever c is pulled and released by a coil-spring d and when the tongs are closed it
holds the button so firmly that the button properly meets the compression of the
straight pin in consequence of its easy placement. On account of the peculiar
oblique position and the long sharp point of the pin the latter goes round behind
the button shank and is thus in consequence of the conical recess a¹ in the sloping
bed forced to form itself into a central eye or shank when pressure is applied to the
jaws in closing and without the chance of a false formation. The thin flexible
spring 6 in combination with the bent lever c and with the coil spring d consequently
replace the human hand and fingers which with other tongs are obliged to take
hold of the button in fastening.
On the right hand jaw is provided a flat spring e with lateral slot e¹. On
account of the lateral insertion the shank pin f will be clinched exactly in the right
place without any assistance of the hand.
A shank pin such as f, whereof the central eye or shank is formed (see
Figures 5, 6 and 7), has not been used with other tongs. The latter work only
with pins, already bent or curved.
g is a pillar with a movable fork g' in which one limb of the tongs is pivoted and
adapted for screwing upon the work-table so that the tougs may if desired be used
not only in the hand but also on the work-table.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is :-
1. Selfacting tongs for fastening shanked buttons by means of a straight headed
pin said tongs having on the left jaw a sloping bed a to take the shank button and
hold it securely while fastening without any labour of the hand by the aid of a

page_text: spring b upon which presses a bent lever c that is drawn out and let go by a coil
spring d and on the right hand jaw a flat spring e with lateral slot e¹ for receiving
and clinching the straight shank pin f which has a head and which will be formed
with a central shank or eye without being previously bent in consequence of the
conical recess in the sloping bed a.
2. The construction of pillar g with socket for receiving the adjustable fork g in
which one limb of the tongs is pivoted and adapted to be fixed to a work-table.
3. The construction of tongs shewn on the drawing.
Dated this 17th day of September 1894.
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.