An Improved Construction of Fusible Cut Out for Electric Circuits.
Year: 1898

page_text: Date of Application, 2nd Apr., 1898
Complete Specification Left 2nd lan 1800 Accented 18th Mar
1800
PROVISIONAL SPECIFICATION.
An Improved Construction of Fusible Cut Out for Electric Circuits.
THOMAS BARTON, Electrical Engineer, The Electric Works, Ainsworth Street,
Blackburn, Lancashire, do hereby declare the nature of this invention to be as
follows:-
This invention relates to an improved construction of fusible cut out for
electric circuits.
Fig. 1 is a vertical elevation, Fig. 2 is a plan of the top, Fig. 3 shews a plan
of the bottom. Fig. 4 an elevation & plan of a contact & binding nut and
washer.
Upon a bridge (A, A1 & A2, being elevation plan of top & of bottom respec-
tively) composed of ceramic or other insulating material two or more contact
pieces B are mounted preferably on the under side with screws attached to them
which pass through holes in the bridge terminating in a serrated nut F, and
serrated washer G, & milled edge nut H, for gripping & holding the fusible
metal. The slotted sides and square holes I in the bridge hold the contact pieces
firmly in position. The fusible cut out is placed between these contacts, being
held in position by them on the front of the bridge in view as at E and prefer-
ably in a rut or channel the projecting sides and cup ends, are for protection in
handling & safety from droppings of the molten metal.
The application applies to any form of bridge fusible cut out whether carry-
ing knife action plates or spring contacts and whether hinged as A3 Fig. 5 or
as to lift out as A Fig. 1.
Having now described and ascertained the nature of this invention & in what
manner the same is to be performed I declare that what I claim is:
A fusible cut out for electric circuits principally applicable to covered dis-
tribution boards, consisting of a base of insulating material having contacts
attached to it for making connection to the distribution points and carrying the
fusible cut out on its face in view substantially as as described.
Dated this 30th day of March 1898.
An Improved Construction of Fusible Cut Out for Electric Circuits.
THOMAS BARTON, Electrical Engineer, The Electric Works, Ainsworth Street,
Blackburn, Lancashire, do hereby declare the nature of this invention and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement; -
This invention relates to an improved construction of fusible cut out for
[DQ37

page_text: electric circuits as I shall describe referring to the drawings left with the Pro-
visional Specification.
Fig. 1 is a vertical elevation Fig. 2 is a plan of the top Fig. 3 shews a plan
of the bottom Fig. 4 is an elevation & plan of a contact & binding nut and
washer.
Upon a bridge (A, A1 & A2, being elevation plan of top & bottom respec-
tively) composed of ceramic or other insulating material, two or more contact
pieces B are mounted preferably on the-under side with screws attached to them
which pass through holes in the bridge terminating in a serrated nut F, &
serrated washer G & milled edge, nut H for gripping the fusible metal, the
slotted sides and square holes I in the bridge hold the contact pieces firmly in
position the fusible cut out is placed between these contacts, being held in
position by them, in front of the bridge in view as at E and preferably in a rut
or channel the projecting sides C and cup ends D are for protection in handling
and safety from droppings of the molten metal.
This application applies to any form of bridge fusible cut out principally for
use in covered distribution boards, whether carrying knife action plates or spring
contacts and whether hinged as A 3, Fig. 5 or to lift out as A Fig. 1.
Having now particularly described and ascertained the nature of my said in-
vention & in what manner the same is to be performed I declare that what I
claim is
A fusible cut out for electric circuits principally applicable to covered dis-
tribution boards, consisting of a base of insulating material having contacts
attached to it for making connection to the distribution points and carrying the
fusible cut out upon its face in view substantially as described.
Dated this 30th day of December 1898
THOMAS BARTON.