Year: 1887

page_text: Date of Application, 28th Oct., 1887
Complete Specification Left, 28th July, 1888
Complete Specification Accepted, 14th Sept., 1888
We, ANDREW ANDERSON of 432 Pollokshaws Road, Glasgow in the County of
Lanark, Engineer, and GEORGE ROBERTSON of 318 Paisley Road, Glasgow in the
County of Renfrew, Tinsmith do hereby declare the nature of this invention to be as
follows:-
It consists of improvements connected with spanners which have moveable jaws and
it has for its objects, cheapness of production, simplicity of construction, ease and
economy in repairing, rapid adjustment of parts and greater durabillity of wearing
parts.
We effect these objects by the mechanism illustrated in the following diagrams, in
which,
Fig. 1 is a broadside elevation of our improved spanner, with rigid adjustment of
moveable jaw.
Fig. 2 is a perspective view of the spanners' permanent, or fast, jaw.
Fig. 3 is a perspective view of the spanners' loose, or moveable, jaw.
Fig. 4 is a perspective view of an engaging block.
Fig. 5 is a perspective view of an oval spindle and its associate members.
Fig. 6 is a broadside section shewing the head of our improved spanner with the
several parts in their relative positions.
Fig. 7 is an elevation of parts shewing the manner of their engagement.
Fig. 8 is a broadside view of our improved spanner with moveable jaw relaxed.
Fig. 9 is an edge view, in elevation, of our improved spanner.
Fig. 10 is an edge view thereof in section.
Similar letters of reference are employed throughout the illustrations to indicate
corresponding parts.
The full sized illustration Figure 1 is a broadside view of our improved spanner and
in Figures 23, 4 and 5 we have shewn the four principal parts thereof, dismembered,
for the purposes of identification and description. The permanent or fast jaw of the

page_text: spanner is shewn in Fig. 2 containing a groove A and a port hole B into which parts
are inserted the loose jaw C and the Block D, the screw E, Figs. 12 and 10 being
for the purpose of projecting, inwards, within the short slot F Figs. 3 and 9 and
thereby preventing the accidental withdrawal of the loose jaw C.
When the loose block D, Fig. 4, is inserted within the port hole B, Fig. 2, it engages
or releases the moveable jaw C as the block D is raised or lowered: the serrated
edges, Land M, of the members C and D being engaged or released as hereafter
explained by the agency of the oval spindle G, upon which spindle the Block D
reposes, as shewn in Figs. 6 and 7.
When the loose jaw C is inserted in its groove, A, and the screw E is adjusted to
retain it therein the block D may be inserted within the port hole B and the oval
spindle, G, being placed in its position beneath it, the disc plates, H and J serve the
purpose of walls to retain the block D in its vertical position and the elongated, stud
arm, K, serves the purpose of a lever by means of which the spindle G is manipulated
and partially revolved, and as a result of such manipulation the jaw C is rigidly fixed
or relaxed.
In the sectional view Fig. 6 and elevation Fig. 8 the several parts are shewn in their
relaxed positions and in Fig. 7 the position of the spindle G is shewn when the serrated
edges, Land M are engaged. When the lever arm, K, is in the position shewn in
Figs. 6 and 8 the loose jaw C may be adjusted to any required position, and on the
arm being moved into the position shewn in Figs. 1 and 7 the block D is raised
sufficiently to engage the toothed surfaces, L and M, and thus render the jaw C rigid
and immoveable.
The stud, marked N Figs. 5, 9 and 10, which is shewn upon the lever arm K, is
made to bind, or bear, upon the face of the spanners" handle in the locking
process and is provided with a seat, P. Fig. 8, to prevent its accidental
dislodgement.
The illustrations represent one (full) size only.

page_text: Improvements in Spanners.
We, ANDREW ANDERSON, of 432 Pollokshaws Road, Glasgow in the County of
Lanark, Engineer, and GEORGE ROBERTSON, of 318 Paisley Road, Glasgow, in the
County of Renfrew Tinsmith 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 :-
Our invention relates to cast or forged metal spanners for the use of engineers and
mechanics which have moveable jaws, and has for its objects, cheapness of production,
simplicity of construction, ease and economy in repairing, rapid adjustment of parts
and greater durabillity of wearing parts.
We effect these objects by the mechanism which is illustrated in the diagrams
accompanying the provisional specification in which,
Fig. 1. is a broadside elevation of our improved spanner with rigid adjustment of
moveable jaw.
Fig. 2. is a perspective view of the spanner's permanent or fast jaw.
Fig. 3. is a perspective view of the spanner's loose, or moveable jaw.
Fig. 4. is a perspective view of an engaging block.
Fig. 5. is a perspective view of an oval spindle and its associate members.
Fig. 6. is a broadside section, shewing the head of our improved spanner with the
several parts in their relative disengaged positions.
Fig. 7. is an elevation of parts shewing the manner of their engagement.
Fig. 8. is a broadside view of our improved spanner with moveable jaw relaxed or
disengaged.
Fig. 9. is an edge view, in elevation of our improved spanner.
Fig. 10. is an edge view thereof in section.
Similar letters of reference are employed throughout the illustrations to indicate
corresponding parts. The full sized illustration Fig. 1. is a broadside view of our
improved spanner and in Figs. 2. 3. 4. and 5. we have shewn the four principal parts
thereof dismembered for the purposes of identification and description. The permanent
or fast jaw of the spanner is shewn in fig. 2 containing a groove A and a port
hole B into which parts are inserted the loose jaw and the block D, the
screw E. Figs. 1. 2 and 10 being for the purpose of projecting inwards within the
short slot F Figs. 3 and 9. and thereby preventing the accidental withdrawal of
the loose jaw C.
When the loose block D. Fig. 4. is inserted within the port hole B fig. 2. it engages
or releases the moveable jaw Caccording as the block D is raised or lowered, the
serrated edges L and M of the members C and D being engaged or released as
hereafter explained by the agency of the oval spindle G upon which spindle the
block D permanently reposes, as shewn in Figs. 6 and 7.
When the loose jaw is inserted in its groove A and the screw E is adjusted to
retain it therein the block D may be inserted within the port hole B and the oval

page_text: spindle G. being placed in its position beneath it, the dise grates H and J serve the
purpose of walls to retain the block D in its vertical position and the elongated stud
arm K serves the purpose of a lever by means of which the spindle is manipulated
and partially revolved, and as a result of such manipulation the jaw is rigidly fixed
or relaxed.
In the sectional view fig. 6. and elevation Fig. 8 the several parts are shewn in
their relaxed positions and in Fig. 7. the position of the spindle G is shewn when the
serrated edges L and M are engaged. When the lever arm K is in the position shewn
in Figs. 6 and 8, the loose jaw may be adjusted to any required position and on the
arm being moved into the position shewn in Figs. 1. and 7. the block D is raised
sufficiently to engage the toothed surfaces L and M and thus render the jaw C rigid
and immoveable.
The stud marked N, Figs. 5. 9 and 10. which is shewn upon the lever arm K, is
employed to bind or bear upon the face of the spanners handle in the locking process
and is provided with a seat P. Fig. 8: to prevent its accidental dislodgement.
We prefer to make the arm K bear, with a tight, spring, pressure upon the part
marked. P.
We sometimes furnish our improved spanner with twin or triple blocks (D) within
the (one) port hole B, for purposes of nicer adjustment. We also furnish it, when
required, with two spindles, placed side by side within one port hole, or telescope one
part of the spindle upon the other part and furnish cach portion with a handle so that
each part of the spindle may be operated independently of the other and may thus
separately actuate twin or triple Blocks. We do not in all cases, fit such twin or
triple blocks tightly within the port hole B but allow them sometimes a little play.
The spindle may in certain cases be round or other section and furnished with one or
more elliptical collars for elevating, tightening or locking purposes.
The illustrations shew one full size only & our improved spanner may be made
by casting its various parts in moulds or forging and fashioning them in other ways.
Having now particularly described and ascertained the nature of our said invention
and in what manner the same is to be performed, we declare that what we claim is
1st. In a spanner" with a moveable jaw the combination therewith of one or more
toothed, engaging or locking, blocks D, all substantially as herein described and shewn,
and for purposes specified.
#
2nd. In a spanner" with a moveable jaw the combination therewith of a spindle G,
of oval or elliptical section all substantially as herein described and shewn and for
purposes specified.
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3rd.. In a spanner" with a moveable jaw the combination therewith of a spindle
and arm (or handle) for the purpose of engaging the toothed surfaces of the block D
and the loose jaw C, all substantially as herein described and shewn,
4th. In a spanner" with a moveable jaw the combination therewith of duplicate
spindles for locking purposes, all substantially as herein described.
5th. In a spanner" with a moveable jaw the combination therewith of a twin
or telescoped spindle, all substantially as herein described and for the purpose
specified.
6th. In a "spanner" with a moveable jaw the combination therewith of locking and
disengaging mechanism all substantially as herein described and shown and for
purposes specified.