US2258231A - Fuse holder - Google Patents

Fuse holder Download PDF

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Publication number
US2258231A
US2258231A US37902141A US2258231A US 2258231 A US2258231 A US 2258231A US 37902141 A US37902141 A US 37902141A US 2258231 A US2258231 A US 2258231A
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Prior art keywords
housing
fuse
socket
lug
contact
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Expired - Lifetime
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Alden Milton
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Alden Milton
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54Protecting devices wherein the fuse is carried, held or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/62Protecting devices wherein the fuse is carried, held or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers the intermediate or auxiliary part being adapted for screwing into the base

Description

M. ALDEN Ga. 7, w41.

FUSE HOLDER Filed Feb. 15, 1941 QNVENTOR MZOMZQW Patented Oct. 7, 1941 UNITED STATES PATENT OFFICE FUSE HOLDER Milton Alden, Brockton, Mass.

Application February 15, 1941, Serial No. 379,021

(Cl. 20o-133) 4 Claims.

My invention relates to holders for cartridge type fuses.

The main object is to provide a simple, inexpensive and yet eiiective holder.

Another object is to provide a holder that' can be readily eyeleted or riveted securely to a panel and wired in af manner similar to the mounting of sockets and other parts of radio sets.

` Another object is to provide such a holder with l simple and inexpensive wiring lugs or soldering tabs.

Another object is to provide` a holder which will not work loose or overheat.

Another object is to provide a device the parts of which can be readily assembled.

The body or housing for the fuse is preferably made of a single piece of insulating material and contains the contacts or clips between which the fuse is held. One contact at the inner end is'xed but contains a spring abutment for the fuse and the other contact is carried by a removable plug mounted in the outer end of the housing. This plug has a screw threaded metal sleeve engaging in a threaded metal socket within the housing.

The metal socket through which the current is transmitted to the sleeve and its contact is loosely mounted in the housing and has a wiring lug which extends outward through a slot in the housing and is interlocked with the walls of the slot so that it can be readily inserted but can not be accidentally retracted. The other wiring lug is secured to the contact at the inner end of the body. The housing is provided with a metallic supporting or mounting plate wholly independent f the circuit connections.

Fig. l is a side View of a fuse holder embodying one form of my invention.

Fig. 2 is a longitudinal sectional view of the same taken on a plane at right angles to the side View of Fig. l, with the plug and its contact removed.

Fig. 3 is an exploded view of parts of the device.

Fig. 4 is a side view of a fragmentary detail of the holder.

Fig. 5 is an enlarged rear view oi the securing plate.

Fig. 6 is a plan view of the socket and attached lug.

The tubular housing 6 has a flange 'l to which is clamped a supporting plate 8 by which it may be securely fastened to a panel or other support.

In the rear of the housing is a, contact 9 preferably in the form of spring jaws adapted to rece'e the inner end of the fuseIIl. This contact is secured by an eyelet II which also secures the Wiring lug I2. A spring I3 preferably helical and conical in form is mounted within the contact 9, its larger end being large enough to hold it in the contact and its smaller end adapted to press against the end of the fuse.

The other contact or clip I4 for the fuse is carried by a plug composed of an insulating part I5 surrounded partly fby a metallic sleeve I6 which is securedto the contact I4 by a pin I l which extends into the part I5. The metallic screw threaded socket I8 is mounted in the housing and has a wiring lug I9 which projects out through a slot 20. The plug screws into this socket when seating the fuse and may be suit-V ably formed to facilitate insertion and removal.

Part of the slot 20 is wide enough to permit insertion of the broadest part of the outer end of the wiring lug I9 land part of it is narrower and flanked by shoulders 2| to interlock with the projections 22 of the lug I 9 and prevent withdrawal. Although this makes it possible to readily assemble the socket in the holder so that it cannot become accidentally detached, it leaves thesocket somewhat loose or floating in the housing so that there is no danger of the plug binding when inserting a fuse in the holder.

It will be obvious that the housing 6 may have an extension Z3, if desired, to receive the head of the plug I5 or thel head may be exposed and shaped in any suitable manner.

I claim:

l. A fuse holder of the kind described including an insulating tubulai` housing having a lateral opening, a, fuse clip in said housing at one end thereof, a lug connected to said. clip and protruding exteriorly of the housing for connection with a conductor, a metallic socket insertable in Said housing at its other end, 'a fuse clip removably connected to said socket and adjustable therealong and a wiring lug secured to said metallic socket and adapted to pass through said lateral opening upon insertion of the socket into the housing and coacting means on the housing and latter wiring lug to prevent accidental withdrawal of the metallic socket.

2. A fuse iholder of the kind described including an insulating tubular housing having a lateral opening with an enlarged portion and a restricted portion with shoulders at the sides, a fuse clip in said housing at one end thereof, a lug connected to said clip and protruding exteriorly of the housing for connection to a conductor, a metallic socket insertable in said housing at its other end, a removable fuse mounted in the socket and a lug secured to said metallic socket and adapted to pass through said lateral opening upon insertion of the socket into the housing and having projections adapted to interlock with said shoulders to prevent accidental withdrawal of the socket.

3. A fuse holder of the kind described including a one-piece tubular insulating housing having oppositely disposed projecting portions near its front end, a fuse clip in said housing at the inner end thereof, a lug connected to said clip and protruding exteriorly of the housing for connection to a conductor, a removable metallic socket in said housing at one end thereof, a fuse clip connected t0 said socket, a. lug connected to said socket and protruding exteriorly of the housing for connection to a -tor and a metallic supporting plate on one end of the housing clamped to said projecting portions to prevent relative movement between the housing and plate.

4. A fuse holder comprising a one-piece tubular housing, a fuse contact in the inner end having an external wire lug, a screw threaded socket detachably mounted in the housing and having a wire lug attached to the socket and insertable and removable through an opening in the side of the housing and a removable plug having a. fuse contact at its inner end and a screw threaded shell engaging the socket in the housing.

MILTON ALDEN.

US2258231A 1941-02-15 1941-02-15 Fuse holder Expired - Lifetime US2258231A (en)

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US2258231A true US2258231A (en) 1941-10-07

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471848A (en) * 1945-12-29 1949-05-31 Gen Electric Combined switch and fuse
US2508770A (en) * 1948-05-20 1950-05-23 Oshinsky Theodore Renewable fuse tap receptacle
US2562947A (en) * 1949-09-08 1951-08-07 John S Richard Fuse arrangement for electric wall outlets
US2831087A (en) * 1954-10-06 1958-04-15 Sundt Engineering Company Fuse post
US2851558A (en) * 1954-07-15 1958-09-09 William C Linton Fuse holder
US2854549A (en) * 1953-11-09 1958-09-30 Mc Graw Edison Co Protectors for electric circuits
US2894681A (en) * 1955-04-15 1959-07-14 Trane Co Centrifugal blower wheel structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471848A (en) * 1945-12-29 1949-05-31 Gen Electric Combined switch and fuse
US2508770A (en) * 1948-05-20 1950-05-23 Oshinsky Theodore Renewable fuse tap receptacle
US2562947A (en) * 1949-09-08 1951-08-07 John S Richard Fuse arrangement for electric wall outlets
US2854549A (en) * 1953-11-09 1958-09-30 Mc Graw Edison Co Protectors for electric circuits
US2851558A (en) * 1954-07-15 1958-09-09 William C Linton Fuse holder
US2831087A (en) * 1954-10-06 1958-04-15 Sundt Engineering Company Fuse post
US2894681A (en) * 1955-04-15 1959-07-14 Trane Co Centrifugal blower wheel structure

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