US1289631A - Attaching device for miner's cap-lamps. - Google Patents

Description

l. M. BROCK.

ATTACHING DEVICE FOR MINERS CAP LAMPS.

APPLICATION raLD1uN19.x91a.

1,289,631 Patented Dec. 3l, 1918.

28K; 4- nu! I Eiga i II lv ano/:Mus

1 rrn A. JOHN MAURICE Bnoci, or BROOKLYN, NEW YORK.

ATTACHINGr DEVICE FOR MINERS CAP-LAMPS.

Application filed .T une 19, 1918.

A To all whom 'it may concern.

and useful Improvements in Attaching Devices for Miners Cap-Lamps; and I do hereby declarethe following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which lit appertains to make and use the same.

This invention relates to attaching devices for miners cap lamps.

The usual miners cap lamp is .provided with a hook which may be hooked through a suitably located orifice in a supporting plate or shield secured to the front of the miners cap, the lower` part of the lamp body being held steady and connected to the supporting plate by appropriate means oi' some description. Heretofore, such means have commonly taken the form of a clamping brace or jaw ldevice permanently secured to the rear of the lamp and adapted to lengage the supporting plate; or else a spring clip device has been permanently secured tothe supporting plate in 'position to receive and hold a lamp body. Both these arrangements are open Vto objection.' Permanent attachment of the clamping Vorl ripping means to the lamp is often vundesira le because, among other reasons, it complicates the lamp construction. On the other hand, permanent attachment of a spring clip device to the supporting shield has the disadvantage, among others, of restricting thevuse of the shield with its attached clip to lamps whose vertical height happens to be suited tothe particular location of the clip on the shield. Again, replacement or repairof either of these devices, when required, is necessarily diii'icult by reason of the permanent attachmentV of the device either to the lamp or the shield, and is usually impracticable.

A rincipal object of the present invention 1s to provide a simple and thoroughly practical construction wherein the objections above mentioned are overcome, and wherein certain new and desirable results are attained. 0

Another obj ect of the invention. 1s to provide a suitable lamp clip which is adapted also vfor use independently of a supporting plate br shield of the character above mentioned.

Specication of Letters Patent.

Patented Dec. 31, 1918.

serial No. 240,870.

Other and further objects of the invention will appear as the description proceeds.

Generally described, the invention in its most desirable form, comprises a device wherein lamp-engaging means and shieldgripping means are embodied in a combined construction which is detachable from and adjustable with respect to both the shield and the lamp. To this end, the best embodiment of the invention comprises resilient clip means adaptedto releasably engage and hold a lamp body, and resilient gripping or clamp means adapted and arranged to adjustably engage a supporting member, and more particularly to engage an opposite pair of edges of a shield of the character referred to, in such manner as to hold the lamp with its supporting cli in firm connection with the shield, whi e at the same time the position of said gripping means on the shield can be varied as may be necessary or desirable to properly accommodate lamps. of different sizes and types of construction.

A full understanding of the invention can best be given Vby describing in detail a typical embodiment thereof, such as that illustrated in the accompanying drawings, wherein- Figure 1 is a view in side elevation showing an attaching device constructed in accordance with the invention, in combination with a cap shield or supporting plate, the assemblage constituting complete lamp attaching means.

Fig. 2 is a horizontal section on the line 2-2 of Fig. 1;

. Fig. 3 is a perspective view of the detachable combined spring clip and clamping device, on a somewhat larger scale; and

Fig. l represents a pattern, on a still larger scale, showing how the combined device can be formed from a single piece of sheet metal.

vReferring to the drawings, 10 represents a miners cap to which is secured a holding plate or shield comprising the intermediate upright portionll at the front of the cap, the upper portion 12 being bent rearwardly and secured to the top of the cap as by rivet means 13, and the portion 14 being bent forwardly and downwardly over the cap vizor 15 and secured thereto as by rivet means 16,. In-.theparticular form of shield here illustrated, the shield is constructed of thin sheet metal 17, such as tin, and a reinforcing and Y theshank 25 lof said hook can enter the vertical' slot-21. The construction thus far described is Well known in the art.

In accordance with the present invention, means are. provided for adjustably engaging and holding the lower part of the lamp, in

this instance the carbid container 26, structurally combined with means for adjustably clamping or gripping thevvertical portion 11 of the lamp support or shield. The combined construction most desirably takes the form shown in the drawings and most clearly illustrated in Fig. 3. In this instance the combined device is formed from a single piece of sheet metal, suitably tempered to provide the necessary resiliency, and comprises a. substantially semi-circular f orwardly extending resilient lamp -enga-ging clip having arms 27 adapted to yieldably embrace the carbid container, the ends 28 being bent outward slightly in order to permit said carbid container to enter readily between the arms ;'v in combination with rearwardly extending spring jaws 29, which are formed at 30 to firmly engage and grip the vertical edgesof portion 11 of the shield.

Said jaws 29 are here shown provided with apertures 29a adjacent their upper edges, for a purposey hereinafter explained. The ends 31 of said jawsv are bent outwardly, as

-' I shown, to facilitate entry of the shield edges between the jaws and to provide linger holds whereby the jaws may be sprung apart slightly when it is desired to remove the clip from the shield or to facilitate adjustl ment of the clip device vertically to different positions on the shield. The proportioning and arrangement of the parts are such thatl when the lamp body orcarbid container 26 is givenl a sufiiciently strong forward pull, the arms 2'( will yield to permit removal of the lampi" whileV at the same time the spring jaws 29-willIiotbe aected.` Most. des'irably theVshape and arrangement of the v4spring jaws are `such as to' strongly resist detachf ment of thedevice from 'the yshield except by outward :pressure on either' one or both of the divergent ends 31.

'T' flhe'-v paiticular form of the combined lampfengaging and shield-gripping device u' here shown has special advantages vfor the purposes'vin view.- Thus, for example, the. bending yof the clip arms 27 and aws 29 opfing materially to the solidity with which the lamp is held in place by the attaching structure as a whole. This portion 32 of the sheet metal which is common to both pairs of resilient arms.v and unites them, also has the-effect of somewhat increasing the resistance which the arms of each clip offer to being spread apart, the clips being thus stiifened by virtually increasing theirwidth i at their line of union. ln the integral construction illustrated, where the clips are in oEset relation,vthe eii'ective gripping power and resiliency of both clips is thus interde-` pendent to a certain extent and is greater than in the case of separate clips or clips secured back to back. Again, springing apart they arms of one clip tends tov close the arms of the other clip slightly; so that in actual use, when both clips are actively functioning as resilient clamps, the gripping effect of each is increased by the action of the other. In other words, flexing the arms of one clip transmits flexing stresses to the other pair. It is evident,` however, that these parts of the device could be separately formed and united in any appropriate manner to produce a detachable clip device of the character described, instead of being formedl integral, though the assembled construction would beless. advantageous; Other changes in the details of construction here. shown and described for purposes of a concrete example, may also evidently be made without departing from the spirit of the invention.

It is vto be noted that the described clip device can also be used without a cap-shield or supporting plate, for attaching a lamp directly to a cap, or hat, or in casesl where the lamp is to be carriedsuspended lfrom I the buttonhole in the coat lapel.V Under these circumstances, theV holes 29a in the arms 29 constitute provision whereby the clip device can be fastened to the cap, hat,

or lapel, by means of rivets or staples, the

snaps Aor gripping pieces 30, 31, most desirably having been first cutv ofi'. Another desirable feature of the clipV device-is that it will hold a lamp which has no hook, thus enablingv the lamp to be `swung around at anyangle. *and l to v direct the light laterally toright or left. while the wearer is looking straight ahead. Drivers and car couplers infmines this of considerable practical cap, of adjustableclamping means' arranged to grip opposite edges of said plate, and

resilient clip means connected to said clamping means and adapted to engage and releasably hold a lamp body.

2. Attaching means for miners cap lamps comprising the combination with a supporting plate adapted to be fastened to a miners cap, of a detachable clip device adapted and arranged to releasalbly engage and hold a lamp body and also to releasably grip the edges of said plate.

3. Detachable clip lamps comprising oppositely exten-ding pairs of resilient arms secured together, one pair constituting; a substantially semicircular spring clip adapted to engage and releasably hold the body of a miners lamp, and the other pair constituting spring jaws adapted to grip opposite edges of a supporting plate or shield, substantially las described.

4. Detachable clip means for miners lamps comprising oppositely extending pairs of resilient arms formed from a single piece of sheet metal in such manner that flexure of one pair of arms transmits flexing stresses to the other pair, one pair constituting a spring clip to releasably hold a miners lamp, and the other pair constituting means for attachment to a support.

5. Detachable clip means for miners lamps comprising oppositely extending pairs of resilient arms formed from a single piece of sheet metal in such manner that flexure means for miners y of one pair of arms transmits flexing stresses to the other pair, one pair constituting a spring clip to releasably hold a miners lamp, and the other pair terminating in gripping ]aws.

6. Detachable clip means for miners lamps comprising oppositely extending pairs of resilient arms formed from a single piece of sheet metal, one pair constituting a spring clip to releasably hold a miners lamp, and the other pair terminating in gripping jaws and having additional provision to aid in attaching the clip means to a support.

7. Detachable clip means for miners lamps comprising oppositely extending pairs of resilient arms formed from a single piece of sheet metal, one pair constituting a spring clip to releasably hold a miners lamp, and the other pair terminating in gripping jaws and being apertured to accommodate attaching means.

8. Detachable clip means comprising two pairs of resilientI arms united along a common line and bending directly and oppositely therefrom in diferent parallel planes.

9. Detachable clip means comprising two pairs of resilient arms formed from a single piece of sheet metal and bending in opposite directions directly from a common line of union and in offset relation.

In testimony whereof I hereunto aiix my signature.

JOHN MAURICE BROOK.

Copies of this patent may be obtained for tive cents each, by addressing the Commissioner of Patents, Washington, D. 6.

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