US338455A - Stove-door handle - Google Patents

Description

(No Model.) 1 v A J. G. WHITLOCK, STOVE DOOR'HANDLE- No. 338,455. Patented Mar. 23,1886.

Q/Vlteab I jhwntor NITED STATES 'ATENT O FICE.

JAfl fn's o. WHITLOGKYOF RICHMOND I ,sT ovE-ooo HANDLEL; 7

, srncrr'rcn'rron forming part of Letters Patent No. 338,455, dated March 23; 18cc.

Application filed March 1'1, 1885. sedans-159,210. (No man.)

To all whom it 'may'concerm' Be it known that I, JAMES G. WHITLOOK,.

useful Improvements in Stove-Door Handles,

of which the following is a specification.

My invention relates to an improved construction of handles for stoves, ranges, heat-.

ers, furnaces, and the like, ,and for'use in other places where it is especially desirable to prevent or lessen the conduction of heat from the handle proper to the part to which it is-fixed.

In Letters Patent N 0. 312,940, granted to. me February '24., 1885, ,I have described a mode of preventing the conduction of heat from a stove-door to the handle thereof by forming the handle proper with a central bore larger in diameter than the metallic stem which passes through it and applying packings of asbestus between the inner face of the handle properand the stove-door and between the. outer faceof the handle and the head of the attaching-screw stem. Such construction, 25 therefore, as I have shown, described, and claimed in saidpatent I do not claimlin this application, though I embody the packing between the inner face of the handleproper and the doorin my improvements.

In another application, Serial No. 159,217, of even date herewith (March 17, 1885,) I show, describe, and claim improvements in which I embody as part of the construction the packing between the inner face of the handle proper and the door. I also show, describe, and claim therein a metallic shield made of hollow or skeleton form, a wrapping of asbestus around the stem within and in front of the door, and a washer of asbestus around the stem on the inside of thedoor. Such improvements in said application I do not therefore claim in this application, though the other application necessarily embodies a feature claimed in said patent and features shown and described in the present case. 7

My present invention is a means-for producing', by the use of asbestos or like non-conducting material, one or more complete separations between the handle proper and the fire said handle is attached.

and the furnace or stove door to which the Myimprovement consists in the construc tion hereinafter described, andpointed out in the claims.

It will therefore be seen that the patent re .55 ferred to relates to the separation of the ban v dle proper from the stem and-outside of the door. v The other application referred to relates to j the separation of the'stemfrom the inside and 6 the outside of the door and the handle prop'er from the outside of the door. r I

The present application relates to the separation of the inner end ofthe stem and the nut by an envelope, a protector for the em velope, and the separation of a separable handle. l

In the accompanying drawings, Figure Its ;a longitudinal section of a stove-door handle,

illustrating m'yinvention, Fig. II is a transverse section 'on.the'line.2 2, Fig. I, illustrating the mode of capping the internal non-conducting covering of the handle attachments with a metallic shield to protect the 'non.conducting envelope from injury.- 1 Fig. III is a" longitudinal section of amodified form of ham die-base. a v 1 represents a portion-of the 'stove-door,-2 the attaching-stern, and 3 a nut by which the said stem is secured to the door. An ashestus envelope, .4, is applied over the not 3 and the extremity of the stem 2, said-envelope ex-. tending in the form of an insulating shield or washer, 5, in front of the stove-door. When desirable, I'apply in front of the stove-door, and either in front or behind the asbestus Y shield or washer 5,a metallic insulating-shield, 6, made of skeleton or hollow form, to lessen conduction and permit the circulation of air. The handle-base 7,which is permanently fixed to the stem .2, is also of skeleton or hollow form, so as to reduce the conduction of heat. The said handle-base is formed in front with malleable lugs 8, or a flange in lieu. thereof, which are bent over the main handle 10 to permanently receive the same, an asbestus insulating-washer, 9, being interposed between the main handle-base 7 and handle 10, and extended around the attaohing shank of the latter, so as to prevent metallic contact between them. 7

By the above-described means Iprovide two complete sc mrations between the main handle and the stove or furnace door 1, so as to prevent the direct conduction of heat.

For use iii furnaces where the door becomes excessively 'hot, so that better protection is required against the conduction of heat, I employ a supplemental handle, 12, the handle 10 being in such form as to permit the application thereto of the supplemental handle 12 around a body of asbestus, 11, which is inter posed between them, a suitable shoulder, 13, being formed on the handle 10 to retain the supplemental handle 12, and theradial lugs or flanges, as beloiedcscribed, with reference to the attachments between the parts 7 8 10,

to secure the supplemental handle 12 against rotation relatively to the handle 10, the lugs entering recesses, as shown.

It will be apparent that the attachment be tween the parts 10 and 7 may, if preferred, be 'made with reference tothe attachments be: tween the parts 12 and 10, the base of the handle 10 being made with a malleable flange or lugs to embrace a suitable flange or shoulder on the handle-base 7. In this case the base of the handle 10 would be exposed to radiation of heat from the stove or furnace door,

which would be undesirablqespecially in the easeof a horizontal feed-door on. top of the stove or furnace. The handlesef these hori-.

zontal doors, as ordinarily constructed, often become very hot by the heat rising from the top of the stove or furnace.

In order-to protect the insulating-envelope 4 from injury by contact with the fuel in the stove, I cover it with a cap,1 4,wl1fch may be of sheet metal and simply bent over the nut 33.

or may be of cast-iron with flanges 15, behind which the corners or ends of the nut 3 are turned,with the cap to permanently seen re the parts together.

The metal shield 6 may be made in one piece with the handle-base 7, as shown in Fig. III. or it may be dispensed with altogether.

llaving thus described my invention, the following is what I claim as new therein and desire to secure by Letters Patent:

l. The combination of a handle having a 4.- The combination of a handle, 10,- having a stem, 2,ha ndle-base 7, a nut by which the handle is secured, metallic insulating-shield 6, envelope 4, having shield 5,-, supplemental handle 12, and asbestos non-conducting shields 9 and 11, substantially as set forth.

5. The combination of a handle, 10, handlebasei, asbestos shield 9, stem 2, not 3, and envelope 4, substantially as set forth.

'6. The combination of a handle, 10, handle base 7, asbestos shield 9, stem 2, not 3, en velope 4, and ca 14,- having flanges 15, substantially as set orthh l 7. The combination a handle, 10, supplemental handle 12; asbestos shield 11. handlebase 7, asbestos shield 9, stem 2, and nut .3,

substantially as set forth.

JAMES e. WHITLOCK.

Witnesses:

OUIJAVIUS KNIGHT, HARRY E. KNI T.

Images