Improvements in Reversing Gear for Engines.
Year: 1896

page_text: Date of Application, 12th Feb., 1896
Complete Specification Left, 5th Nov., 1896-Accepted, 12th Feb., 1897
We, WALTER FELTON SMITH, of Wavertree in the County of Lancaster,
Gentleman, and JOHN GEORGE BEARDALL of Borrowash in the County of
Derby, Fitting Engineer, do hereby declare the nature of this invention to be as
follows:-
The object of our invention is to reverse from a single eccentric and thereby
save friction and expense.
In carrying out our invention a boss is keyed on the crank shaft the said boss
carrying a projecting segment which as it revolves with the shaft in either direction
comes in contact with an internal projection on the slipping part of the eccentric,
or with the inner ring of the eccentric, and so carries the eccentric round with it.
The inner ring of the eccentric is suitably cut out for the cut off and is split at
these or other convenient points and may have suitable lugs fitted thereto.
To reverse the engine the eccentric is brought round on the keyed boss until the
segment engages with the inner ring of the eccentric, or the internal projection on
the eccentric, at the opposite side to that which it engages in forward motion and
as the keyed boss and segment revolve with the shaft they again carry the eccentric
with them, but in the opposite direction.
It will thus be seen that there will be a space behind the segment in both
forward and reverse motion equal to the distance the eccentric has to be moved
round when reversing.
To operate the eccentric a cogged flange may be fixed to it or form part thereof
the said cogged flange being operated by a quadrant and lever. It is evident
however that without departing from the spirit of our invention we may employ
other means of operating the slipping part of the eccentric than that above
mentioned.
Deted this 11th day of February 1896
W.
SWINDELL,
Imperial Chambers, Derby, Agent for the Applicants.
COMPLETE SPECIE
TION.
Improvements in Reversing Gear for Engines.
We, WALTER FELTON SMITH of Wavertree in the County of Lancaster,
Gentleman and JOHN GEORGE BEARDALL of Borrowash in the County of
Derby, Fitting Engineer, 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 :-
The shaft A carries keyed boss B having segment C D. The eccentric E has
its inner ring F cut out suitably for reversing. The engine being in forward

page_text: motion, the segment C D engages with the inner ring F at point G. To reverse
the engine, the eccentric E is brought round on its axis, namely, keyed boss B and
the segment CD engages with the inner ring F at point H. The inner ring F is
split at points G H having suitable lugs J K and L M fitted thereto.
The eccentric E has a toothed flange fitted on one side by which the eccentric is
brought round by means of a toothed cam or quadrant which has its proper
number of teeth so that when it is brought in contact with the said toothed flange
by means of a lever it revolves eccentric E partially round which disengages
contact points D G of the inner ring F and engages contact points C H.
It will be noticed that the toothed flange will be brought round in the same
direction in which engine is running therefore the engine may be reversed while in
motion without fear of damage to engine.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
-claim is:
1. To reverse from a single eccentric.