Improvements in and connected with Fret Saws.
Year: 1896

page_text: Date of Application, 13th Nov, 1896-Accepted, 19th Dec., 1896
COMPLETE SPECIFICATION.
Improvements in and connected with Fret Saws.
1, THOMAS SUMMERS, of 6, Union Street, Portsea, Hants, Engineer R.N.
retired, 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 :-
This invention relates to improvements in and in connection with fret saws aud
has for its object to provide a convenient and efficient method of working the
same and enabling it to cut in any required direction.
For this purpose I provide an upper and a lower table, the former for supporting
the work and the latter the saw.
These tables are connected together by a vertical bracket or stanchion firmly
secured to the lower table and the latter is fitted with a drawer, the said tables
being always kept in parallel position except when the upper one is tilted for inlay
work.
The saw frame is fitted with a handle formed hollow for receiving a
vertical rod fixed to the centre of a disc resting upon the lower table and of
sufficient weight to hold the saw frame rigidly in position, the said disc being
capable of movement on the lower table in any direction.
In operation the user catches hold of the said handle and works it up and down
the vertical rod which thus gives the required vertical movement to the saw in
front of the upper table upon which the work is laid.
And in order to clearly understand my invention I will describe the same with
reference to the accompanying sheet of drawiugs in which
Fig. 1 is a side elevation of my improved frame or support with a fret saw in
position for being worked,
Fig. 2 is a plan with the saw and supporting disc removed, and Fig. 3 is an end
elevation. Figs. 4 and 5 are details.
a represents the upper or work carrying table and b the lower table for sup-
porting the saw. The upper table is supported by the metal bracket or stanchion c
whose lower end is slightly tapered so as to tightly fit a hole formed in a metal
block d fixed to one end of the table b, and the said block and bracket are slotted
to receive a tightening key e.
fis the usual clamp or saw frame holding the fret saw f¹, and f' is the tension
so as to be
screw nut, g is the operating handle fitted to the frame f by the pin g'
disconnected when required and stowed away together with the saw and other
loose parts in the drawer of the table 6 when not required for use.
h is the vertical rod carried by the disc i and passing loosely through the handle g
k is a bracket (shown
to act as a guide to the latter in its vertical movement.
to a larger scale in Figs. 4 and 5) fixed to the stanchion c by the bolt k¹ for sup-
porting the table a always in a parallel position to the table b unless when required
for inlay work when it is tilted by any suitable means.
In using my improved apparatus the operator catches hold of the handle g with
one hand and moves it up and down the rod in front of the table a upon which
the work is laid the operator using his other hand for moving and guiding the said
work and it is evident the saw may be moved radially around the rod h to cut in
any required direction and it may be shifted nearer to or further from the table a
by moving the disc i.

page_text: 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.) In fret saws the use of a table carrying the work and supported in a
parallel position to another table upon which is placed and operated the fret saw
substantially as described and for the purposes specified.
(2.) In fret saws the combination of the tables a and b, stanchion c, block d,
key e, clamp or frame f, saw f', tension screw f', handle g, pin g' rod h, disc i,
bracket k, and bolt k¹ all arranged and operating substantially as described and
for the purposes specified.
(3.) The improved apparatus for operating and using fret saws substantially as
described and shown in the drawings.
Dated this 13th day of November 1896.
GEO. H. RAYNER,
37, Chancery Lane, London, Agent for the Applicant.