US979334A - Headlight-reflector. - Google Patents

Description

J. B. PRATT.

HEADLIGHT REFLEGTOR.

APPLIGATION FILED AUG'. 2e. 1910.

Patented Dec. 20, 1910.

illustrates one emliodiment of tl.e

'U NrrED ST1/Tais PATENT OFFICE.

JAMES R. PRATT. OF DENISON. TEXAS.

HEDlIGHT-REFLECTOR.

Application filed August 26, 1910.

To nl! whom it may conce '11:

Be it known that l. .Irans ll. iim'tr.` a eitixen ot' the lnited States. residing;r at llenison. in the eonnty of Grayson and State. of texas. ha ve invented new and useful improvements in Headlight-lettet-tui's. ot' which the following is a speeitieatitun This invention relatesto headlight reteetors. more partieulariv ot' the dirigihle type whereby the engineer van diret-t the rays of light to the right or left or directly ahead. aerox-ding to the nature of the traelt over whit-h the lototnotive is passing'.

The invention has for'one of it.` objects to provide an extremel)r simple. durable and praetiual device. of this character whit-lt eanhe readil) manipulated at the will of the engineer. t

Another olijeet of the invention is the provision of a retieetor h avinfcy novel means` for. mounting the .same so that the inovetuent will take plaee around an axis eoineident with the t'oeal center ot' the retieetor.

With these objects iuriew and'others'. as will appear as' the description proeeeds. the invention comprises the variousy novel features of t-onstruetion and arrangement of parts whieh will he more fully described hereinafter and set forth with pat'tif-ularihv in the t'lailns appended hereto.

in the accompanying drawing'. which t'elzttmt. Figure 1 is a side View ot' thtI rslieetor and its operating means. Fig. is a horizontal seetion on line 'iL-1)., Fig. 1.

`\`imiiar reference eliaraeters .i re employed to designate eorrespniuling parts throughout. the views. A

Referring to the drawing. l designates an ordina r v paraholie retleetor which is inended to he mounted in a easing oi" an ordinary headlight. the. easing' and light-prodneing,.

means living omitted from the drawing.

This rettet-tor has openings '2 for the earbons or electrodes of the elet-trie. light. although any other suitable lighhprotiueing means may he employed. The rear end of the reflector is mounted on :t hraeket 3 that is of L-Sliaped construction. the upper end of the bracket beine; eonnetted with the retiector by a threaded stud or serev: 4 on the retieftor passingr through the bracket Il. there heini,r a clamping nut 5 on the sex-ew for securely hoidin;r the telle-ttor on the hraeliet. The front of the retleetur rests on und may be. secured to a front bracket, 6

Speccatn of Letters Patent.

Patented Dee. 2t?. 191K).

Serial No. 5&.009.

l' which is morality mounted on a base plate or other suitable support. is fastened to a horizontal plate S that bears direl'tlmv on the top snrfat-e of the base plate T. and 'this lllate S together with the bracket 1' and rettet-ier 1. are adapted to more in a horizontal platte about a verticeh axis 'passing through the foral Center of the l'eleetor.

Mounted n n the. hase plate 7 is a vertical pivot il whieh is disposed under the rear portion of the retleetor and in line with the. focal center thereof. lThis pivot. l passestiuough the iowt-r memher of the L-shaped bracketv 3 and this hraelcet is held in plaee hy nnts`1t'l and 1l sert-wed on the pivot and disposed respettively ahove and below the horizontal member ot' the bracket. The nuts are not screwed tightV enough against.-

the tirarla-et 3 to prevent the latter-from' turning ahontV the pivot as. an axis as the retieetor is turned for direetfng the rays of light upon the trat-li in passing around curves. Y

'The plate 5. has anV arcuate slot t2- wiitli is concentric with the pivot El. and through this slot projects a vertical stud or screw lll fastened to the hase plate T. (ln this stud or serew t3 is a spriner t4 which has its lower end hearingA against a washer 13a resting on the plate S ot' the liraeltet t3 and its upper end heat-intel against a wheel or 'nu t.' threade-.i on tht stud lll. nfaereli'v the tens-ion of the spring; can he adjusted. This spring` presses the plate S int frietional engagement with the base pate i. but tht engagement is sneh that the rettet-tor eau lle readilyY moved in direetilnr the ravs of light where the) are needed. I

'l`o turn the reflet-tor to the right or left. any suitable operatin; r means nay he employed under the control of tle engineer. ln the present instaure. a ltell tt'anh leu-L' lt is tnlernmed on the pivot .ind one arm @of the lever extendst`or\\-;\rt'l v from the pivot and is rigidly eonneeiel at IT with the hraelu-t t. The other al-n ot' the hell eranh lever is connu-ted at iti with a 'ad itl that extends rearwardlv from theleadligght to the cali of the i'ieontfti ve. wlLere the rod is '.'nntterted with a levtror .andle :U which mores hael; and forti: over a sector ".21 fastened in the val. 'at'. n mechanism may he provided. for holding the handle 30 in an). desired position of adjustment, and the movement of the retieetor can be limited in". the advantages of the construction a by Stops 22 provided on thc base piate 'such points as to be struck bythe plato S the brackety 6.

at tical of 5 From the foregoing description, taken in connection with the accompanying drawof thil method of operation will be rca apparent to those .skilled in the art to which the invention-apporlains and While l havo described the principle of operation of the invention, together with the device `which l now consider to be. the best embodiment thereof, I desire to have. it understood that the device .shoirn merely illustrative, and

that such changes may be. made when ffiesired as are within the scope of the. claims appended hereto.

ai'ing thus described the invent-ion. What'- l claim as new,

l. rlhe combination o a hase plate, a

axis passing through the focal center thereof.

The combination of a base plate, :1 rctlcctor disposed above thc same, a bracket connected with ther-ear portion of the rei mittinff the said bracket to move with the reflector disposed over the same, separate brackets for supporting the retlector ou the base plate aud permitting the latter to be adjusted about a vertical axis, means or frictionally holding one of the brackets against. the base plate, and means for turning the relector about said axis.

2. The combination of a. reflector, of means forinovably supporting the front ot' the rciector, means for mo ably supporting the rear portion of the retector, 'a lever under the reflector and haring its ruler-ian disposed in a linel passing verticali): through the focal center oi' the reflect-or, and means connecting the leiizr with the nist-mentioned means for shitting the reflector.

3. The combination of a base. plate, a retlector disposed aboi'c the same, front and rear brackets. a pivot connecting the rmi' bracket with the base. plate, means for yieldingly holding the front bracket. against the. base plate, an operating lever mounted on the pirotand connected with the" front. "familier for shitting the retlector to throw the rays of light ii: ditterent. directions.

4. The combination of u support, a Hector7 separate brackets on which tta: reticctor is mounted. .separate means for movablymonuting the t 'ackets on the sur port., means im tri-ationall)v holding one ot the braeiets'against. the support. and an operating means connected with that orar-tiet.

rictionally held against the support'. arranged to adjust the retlector about a rettet-tor, and means for connecting the lever with the i'ront lilac-liet.

3. The combination ot' a hase, plate, a re- 'ector disposed over the same, a pivot disposed on the base plate and arranged in a vertical line passing through .the focal center of the retleetor, a support moi-ably mounted on the base plate and disposed under the front portion of the rettector, said suppoi' having an arcuate slot concentric with t. pivot, a stud on the base plate passi'ns through the slot, a spring on the stud press ing the said support against. the base plate, K g a support. mounted on the said pivot. and

connected with the rear portion of the rvtiector, and means for shifting the reflector about the said pivot as an axis.

7. The combination of a base plate, a reflector disposed over the same, a pivotdisposed on the base plate and arranged in a vertical line passing through the focal center of the '-ilcctor. a support. morably mounted on the .dse plate and disposed under the front.- portion of the reflector, said support having an arcuate slot concentric with the rf-Not, a stud on the base plate assing through the slot,a Spring on the stu prescing the said Support against the base plate, a support. mounted on the said pivot. and connected with the. rear portion or' the re- Hector. and a bell crank lever fuit-ruined on ci. and eoimee d `with the front. supg the reflector about the axis Uf ill-'3 (it.

in te antony whereof .l ath): my signature ce of two witnesses.

J'Atllif l. PRATT.

E. li mimos,

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