US2026792A - Portable incandescent lamp - Google Patents

Description

1936- c. s. MCGILL PORTABLE INCANDESCENT LAMP Filed March 21, 1935 Patented Jan. 7, 1936 PATENT OFFICE PORTABLE INCANDESGENT LAMP Charles S. McGill, Valparaismlnd assignor to McGill Manufacturing Company, Valparaiso, Ind., a. corporation of Indiana.

Application March 21, 1935, Serial No. 12,176

3 Claims. (01. 240-54) This invention relates to portable incandescen electric lamps.

Principal objects of the invention are:

To provide a mounting for a lamp of the type specified, which is of improved and simplified construction, effective for its designed purpose, and relatively inexpensive to manufacture;

To provide a mounting for such lamps, all parts of which are made of, or encased in, suitable, resilient, insulating material, whereby a person handling said lamp in the manner contemplated, will be effectually protected from shock in case of grounding of metallic parts of the lamp; and

To provide a combination hook and handle for such lamps, which is reinforced so as to im-- part requisite strength thereto, by means of a metal rod the inner end of which is embedded in the wall of the holder for the lamp socket, and the outer portion of which forms a core for the combination hook and handle of the lamp. i

In accordance with the invention, I attain the objects thereof by the use of a mounting member comprising a holder provided with a usual recess shaped and proportioned to receive and hold the lamp socket, a boss provided with a hole or opening which communicates with the inner end of the recess for the lamp socket, through which the electrical connections tothe lamp socket extend, and a combined hook and handle, which is reinforced and strengthened by a core member, preferably a metallic rod, all forming a unitary structure, which conveniently and economically can be cast from suitable insulating material.

In the accompanying drawing, in which the invention is fully illustrated,

Figure 1 is a central, longitudinal, sectional view, of a mounting member embodying my invention and improvements, substantially on the line l--l of Fig. 2;

Figure 2 is a bottom plan view of'the holder for the lamp socket and the combination suspension hook and handle, with detachable parts of the lamp removed; and

Figure 3 is a sectional view of the combination hook and handle portion of the mounting member on the line 3-3 of Fig. 1.

Excepting as regards features hereinafter particularly described and pointed out, a lamp embodying my invention and improvements may be of any usual or approved construction and will readily be understood by persons familiar with such lamps from an examination of the drawing, without a description thereof in detail.

Referring now to the drawing, a lamp embodying my invention and improvements, for conmanner.

venient reference designated as a whole A, comprises a mounting member designated as a whole B, which includes a holder b provided with a usual recess l adapted to receive the lamp socket c, a boss at provided with a hole 2 which communicates with the inner end of the recess l in the holder, through which the electrical conductors connected to the lamp socket c extend, and which, as shown, extends at an angle of approximately 45 degrees to the longitudinal axis of the lamp. As shown, also, said holder b also comprises a combination suspension hook and handle designated as a whole e, which, like other parts of said mounting is made of suitable resilient, insulating material, and is reinforced and strengthened by a metal rod 3, the inner end 4 of which is firmly embedded in the wall of the holder in and the rest of which forms a core for said combination hook and handle e, as clearly shown in Fig. 1 of the drawing, the size and char- 20 actor of said rod or core 3 being sufiicientto impart requisite strength and stiffness to the handle, while the covering of said core will operate, in an obvious manner, to prevent shock to a person handling said lamp. 2 In accordance with the invention, the holder 1), the boss (1, and the combination suspension hook and handle e, excepting only the reinforcing rod 3 thereof, are made of suitable, resilient insulating material, preferably rubber vulcanized to a degree sufiicient to impart contemplated rigidity thereto, and-again excepting the reinforcing rod 3-are all cast in one operation in a suitable mold to form a single unitary structure.

In what I now consider a preferable'arrange- 35 ment, the shank of the combination hook and handle e, is shaped to extend over the top of the holder b at an angle of about 45 degrees to the vertical axis of the lamp, and then turns reversely on a relatively flat, substantially symmetrical 40 curve, as shown, the relation preferably being such that the high point thereof will be substantially in line with the vertical axis of the lamp.

As shown, a light bulb 5 is secured in the lamp socket c, and a lamp guard or cage 6 is at- 45 tached to the mounting member B, which is provided with an exterior groove 1 in which the ends of the wires forming said cage are secured by means of a split clamping ring 9, all in a usual I claim: 1. A mounting for a portable incandescent electric lamp, made of suitable resilient insulating material, comprising a holder provided with a recess shaped and proportioned to receive a lamp 5;

socket, having electrical contacts and means for making electrical connections thereto, a boss pro.- vided with a hole which communicates with the recess in said holder, for the passage of the electric conductors connected to the lamp socket, and a combined suspension hook and handle comprising a metallic core, the inner end of which is embedded in the wall of the holder and boss por tions of said mounting member, and the portion of which beyond said boss is encased in insulating material.

2. The mounting specified in claim 1, in which parts made of insulating material form an integral structure.

3. The mounting specified in claim 1, in which the hollow boss is positioned at the closed side of the combination suspension hook and handle, the relation being such that the shank of the suspension hook and handle extends over the closed end of the holder member and then reversely to form an open-sided hook proportioned and arranged to be conveniently grasped and firmly held. 10

CHARLES S. MCGILL.

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