US1204753A - Bicycle-lock. - Google Patents

Description

H. E. FOURCHER.

BICYCLE LOCK. APPLICATION FILED JUNE 3. IQIS.

Patented Nov. 14, 1916.

Inventor Attorneys HARRY E. FOURCHER, OF AUGUSTA, GEORGIA.

BICYCLE-LOCK.

To all cohom it may concern:

Be it known that I, HARRY E. FoURoHER,

. a citizen .of the United States, residing at Augusta, in the county of Richmond and State of Georgia, have invented anew and useful Bicycle-Lock, of which the following is a specification. V g I This invention relates to looks for bicycles,

and other vehicles utilizing coaster brakes,

one of the objects of the invention being to provide a compact structure which, when in position, does not present an unsightly appearance and which, when in use, serves .positively to hold the wheel of the vehicle against rotation. I

One of the objects of the present invention is to provide a lock, onemember of which can be substituted for the fixed arm commonly employed in connection with coaster brakes or can be fixedly mounted in any other suitable manner, while the opposed member of the lock can be integral with or attached to the hub of the wheel so as to rotate therewith whereby, when the two members of the lock are in engagement with each other, the wheel is held securely against rotation upon its axle.

Withthe foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and 1n the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed can be made within the scope of what is claimed, without departing from the spirit of the invention. I i

In the accompanying" drawings the preferred forms of the invention have been shown. 7 v

In said drawings :Figure 1 is a side elevation of a portion of a vvehicle wheel having a coaster brake with whichthe present improvements are combined. Fig. 2' is a section on line A-B Fig. 1, the end portion of the wheel hub being shown in elevation. Fig. 3 is a transverse section through the lock and showing the tonguethereof inen-' gagement with its keeper. Fig. 4 is a section on line C-D Fig. 3. Fig. 5 is a similar view showing the relative positions of the tumblers when the wheel is unlocked. Fig. 6 is a section on line EF Fig. 3, the keeper being removed. Fig. 7 is a sectional perspective view of the barrels of the lock.

Specification of Letters Patent. Application filed June 3, 1915. Serial No. 31,925.

Patented 14, 1916.

Fig. 8-is a detail view of a key for use in connection with the lock. Fig. ,9 is an ele-' vation'of thevlock used in connection with a. hub in which notches are formed.

Referring to the figures by characters of reference J. designates a portion'of a wheel having combined with it a coaster brake structure indicated generally at 2. Coaster brakes of the standard types, such as the Corbin, New departure and Morrow require the use of an arm which is connected to a portion of the frame of the vehicle. It is designed, in the present instance, to substitute for said arm, an arm 3 similar in appearance to the usual arm but provided, along its inner face and close to but below the hub, with a lock casing 4 in the top portion of which is formed a longif tudinal slot 5 having a side extension '6 shorter than the balance'of the slot and forming a recess.

Fixedly mounted in one end portion of the casing 4:, which casing is preferably cylindrical as shown, is a barrel 7 extending partly through the casing, this barrel being held against rotation in any suitable manner, as by means of a diametrically disposed pin 11. Another barrel 9 is mounted for rotation within the casing and abuts against the fixed barrel 7, the two barrels 7 and 9 being provided with registering bores 10. The pin 11 extends across the bore in the barrel 7 while another pin 8 is secured in the barrel 9 and extends across the bore therein, the two pins 8 and 11 being engaged by the ends of a torsion spring 12 which is housed at all times within the bores.

7 at-the inner end thereof and arranged in ing against the end's'of tumblers"'15.' r

The revoluble barrel 9 is provided on its periphery with ,a tongue 16 which, when in looking position, is seated within the recess 6 in the casing 4 but, when in unlocked position, is seated within the projecting portion of the slot 5. Barrel 9 is provided with one or more longitudinal passages 17 extending therefrom so that, when said passages are brought into register with the recesses 13, the tumblers 15 can be seated therein automatically, thus coupling together the two barrels and preventing rotation of the barrel 9 relative to barrel 7. When the parts are thus located the tongue 16 is Recesses 13 are formed in the fixed barrel? 7 these recesses are springs 14 constantly bear-I seated inthe recess 6. Pins 19 are slidably' mounted in the'passages 17 and are adapted,

when the barrels are locked together, to bear,

against the tumblers 15. Guard wings 20 are extended from the outer end of thebarrel 9 and are spaced apart to form a slot ZI-tlesigned to receive. a key 22 whichcan be of the form shown in Fig. 7 wherein parallel fingers 23 are provided'and are adapted, to be inscrtedintothe passages 17 and to press, aga1nst'p1ns19 so that said pins Wlll thus'thriist' the" tumblers out of' the counterbor'es'18. Itistobe unders'tood tliat'when it is desiredt move the tongue 16 out-of as; looking positio'lr'within the 're'cess'6, the

isto jbe inserted'into the lock as de with the extension of slot 5, the spring12 thrusts on the barrel9 and shifts it longitudinally so as to bring tongue 16 into the extension of slot 5.

' With the parts thus positioned, when it is desired to'shiftthe tongue 16 to. locking positio'n it is merely necessary to push the barrel 9 inwardly against the action of coiled spring-12 so as to thus shift the tongue 16 out ofthe extension of slot 5'. As soon as the tongue moves out of the extension of. slot 5, the wound tor'sion spring 12 will rotate the barrel 9 so as to shift the'tongue 16 into recess 6 and bring the passages 17 into register with recesses 13. Consequently the tumblers 15 will shift automatically into the passages 17 and thus lock the two barrels together.

Any suitablemeans may be provided for engagement by" the tongue 16. For example, and as shown in Figs. 1 and 2, a ring .Zl'can be placedupon the hub of thewheel 1, this ring being provided in its outer side, with a desired number of notches 25 any one of which is designed to receive'the" tongue 16 when it is shifted to locking position. Ring 2 1 can be fixedly connected to the hub of the wheel inany desired manner. Fon'example, it-can-be' formed with fingers 26 having re-v assets 27 in the Sides thereof, these fingers being interlaced with the spokes ofthe wheel.

01', if preferred, the ring could be fastened by screws or the like to the hub. Another form of structure has been illustrated in Fig. 9 wherein, instead of providing a ring upon the hub, notchesv 28 are formed directly in the end of the wheel hub and a stationary cap 30 isfitted against said hub. 1 Thiscap has a notch 31 in the bottom thereof adaptedto receive tongue 16, the notches 28 being means extending'into both barrels and thrust-' ing the movable barrelaway from the fixed barrel, a lo clungelement carried by the mom able barrel and normally held by said resilient means,'pressed against one end of the slot and out of the recess in the side of the slot, tumblers movably mounted in the barrels for holding the locking element in the recess and in one of the notches in the movable member, said tumblers being yieldingly pressechand key actuated means for forcing the tumblers out of the'inovable barrel thereby to release the barrel, the resilient means within the barrel and which normally thrusts the barrels apart, operating to simultaneously rotate the movable barrel when released to remove the locking element from the recess and to thrust said movable barrel longitudinally to position the locking element against the end of the slot in the casing.

In testimony that I claim the foregoing as my own, I have hereto affixed my signature in the presence of two witnesses.

HARRY E. FOURCHER \Vitnesses .J. J. Saxon, I CHA W. Sci-1pm.

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