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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 337/279 - Deionizing gas or vapor generating material


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter wherein the suppression or extinction means
No. of patents: 25
Last issue date: 03/25/2008


NumberTitleIssue Date
7346974Method for producing a conductor bar of transposed stranded conductors
A method for producing a conductor bar including transposed stranded conductors for a large, rotating electric machine. The method includes a first step of cabling a plurality of electrically insulated individual wires to form a plurality of identical stranded condu...
03/25/2008
6946608Pyromechanical battery pole disconnect element
A pyromechanical battery pole disconnect element, includes a housing (1) in which an electrical conductor is located, a pyrotechnic active element (14) including a breaking piston with a disconnect element (7) to sever the electrical conductor a...
09/20/2005
6903649Fuse with fuse link coating
A fuse that includes an arc energy reducing coating to reduce arc energy during a short-circuit and/or a full voltage overload current interrupt is described. The fuse includes end conductor elements, and at least one fuse element secured between and making electric...
06/07/2005
6720858Fuse
In a fuse chamber (8) there is arranged as a quenching gas source a burn-off element (11), which concentrically surrounds an arc chamber (10) and is separated from it by a fuse element (9), which consists of metal foil, preferably silver ...
04/13/2004
5670926High-voltage fuse having a core of bound silica sand about which fusible elements are wound
This high-voltage fuse comprises a tubular housing and a fuse subassembly within the housing with a core in the form of an elongated, cylindrical body primarily of silica sand particles bound together in a rigid, porous mass, a fusible element wound about...
09/23/1997
5280261Current limiting fuse
An arc quenching, current limiting fuse utilizing a fuse link having a plurally of bends which cause the fuse link to come in contact or come in close proximity to the inside wall of the fuse body. When a short circuit and electrical arc occurs, the fuse ...
01/18/1994
5241445Electronic part having safeguard function
Disclosed is an electronic part having a safeguard function for protecting the associated electronic equipment against abnormally high voltages such as lightning surge voltage. It is equipped with an element which cuts off any continuous excess current so...
08/31/1993
4703299High current interrupting fuse with arc quenching means
The high current interrupting fuse of the invention includes an envelope free of sand or similar arc quenching material. The envelope preferably has terminal end caps enclosing the ends of the envelope between which caps a fuse element extends. The envelo...
10/27/1987
4636765Fuse with corrugated filament
A fuse (12) comprising a tube of insulating material having an inner (16) and an outer wall surface (18) and forming a fuse housing (14). The fuse includes a pair of conductive fuse terminals (24, 26) secured at opposite axial ends (20, 22) of the tube. A...
01/13/1987
4625195Electric fuse having positioning means for arc-quenching core
An electric cartridge fuse having a channel shaped fusible link section which carries a gas evolving core is provided with means for assuring positive axial positioning of the core without requiring deformation of the fuse link. The gas evolving core is p...
11/25/1986
4564830Wound-in sleeve fuse cutout tube construction
An expulsion type fuse cutout fuseholder structural assembly (10) including a fuse tube assembly (12) having a bone fiber liner (40) and a sleeve insert (36) coaxially disposed entirely interiorly within an insulative outer covering or wrapping (14). A ra...
01/14/1986
4544908Fuse with electro-negative gas interrupting means
There is provided by this invention a current limiting fuse having a fuse element wound about support means consisting of a non-stoichiometric oxide core that produces an electro-negative gas when heated by the melting fuse element. The generation of the ...
10/01/1985
4417226Electrical fuse
A miniature fuse has a housing consisting of a plastics base (1), a plastics cap (2), and two conductors which pass through the base and are bridged across inside the cap by a fusible conductor (3). The interior of the fuse housing is fully or partially l...
11/22/1983
4358747Current-limiting fuse with improved means for interrupting low overcurrents
This current-limiting fuse comprises a fusible element having a predetermined location at which an arc will be initiated when prolonged overcurrents of relatively low value have persisted for a predetermined duration. For increasing the arc voltage develo...
11/09/1982
4339742High voltage fuse having mounted gas evolving members and method of forming such
A high voltage fuse having mounted gas evolving members and method of forming such a fuse are disclosed. The high voltage fuse comprises, in part, a plurality of block shaped gas evolving members attached to a plurality of fuse elements, which, in turn, a...
07/13/1982
4319213Electric fuse for compensating heating in the center of the fusible element
An electric fuse, in particular an electric time-lag fuse, comprising a tubular casing, a pair of terminal elements, a granular arc-quenching filler, and a pair of parallel fusible elements inside the casing interconnecting the pair of terminal elements. ...
03/09/1982
4307368Electric fuse having gas evolving means for limiting burnback
The process of circuit interruption by an electric fuse can be initiated either by a protracted overload, or by a major fault current of large proportions. This invention is concerned with the latter kind of fault currents. A substantially U-shaped gas-ev...
12/22/1981
4225840Electric fuse with support for helically wound fusible element
A non gas evolving insulating support of generally star shaped X-sect for supporting the turns of a helically wound fusible element is provided with gas evolving means affixed thereto in proximity with but spaced from the fusible element....
09/30/1980
4220942Circuit interrupting device
An improved circuit interrupting device includes a pair of contacts which are relatively movable and between which an arc is established. Following melting of a fusible element, a stored energy source relatively moves the contacts apart to elongate the ar...
09/02/1980
4183004Fuse having helically wound fusible element and support therefor
An electric fuse has rod supports for the helically wound fusible element which are of a laminate of glass cloth and a synthetic resin. This is a material which is slightly gas evolving. The rods have inserts of a material which is highly gas evolving, an...
01/08/1980
4179678Electric fuse with gas evolving materials
A pair of parallel fusible elements is sub-divided, or separated by points of reduced cross-section into two parallel strings of fusible element sections. The pair of fusible elements is supported by a support of electric insulating material including a p...
12/18/1979
4140988Electric fuse for small current intensities
An electric fuse having a printed circuit type fusible element. A substrate of glass textile material impregnated with a polymerized melamine resin and alumina trihydrate is the carrier for the fusible element. The dispersion of the two above referred-to ...
02/20/1979
4109228Current limiting fuse with resinous arc-quenching filler
A current limiting fuse construction including a fuse element extending between electroconductive terminals carries a body of arc-quenching filler material within a hollow casing of electric insulating material. The filler material includes loose granular...
08/22/1978
4048610Electric protective device and process of manufacturing the same
An electric protective device capable of handling both short-circuit currents and minor overload currents of impermissible duration. The device for interrupting small overload currents of impermissible duration includes a cylinder, a plunger inside said c...
09/13/1977
3949342Electric fuse for elevated circuit voltages
A fuse for elevated circuit voltages is provided with an arrangement or array of gas-evolving beads intended to improve the performance of the fuse under major fault current conditions. The fusible element is wound around a space in the shape of a four-si...
04/06/1976
 
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