US972502A - Apparatus for automaticallly raising vehicles. - Google Patents

Description

F. BRIAULT. APPARATUS run. AUTOMATICALLY RAISING VEHICLES. Amnoulon FILED mm, 1910. gyg gg Patented Oct. 11-, 1910.

2 SHEETS-SHEET 1.

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F. BRIAULT.

Patented 00 ll, 191G 2 SHEETS-SHEET 2,

APPLICATION FILED APRHZS, 1910.

APPARATUS FOR AUTOMATICALLYBAISING VEHICLES.

erases.

means of any suitable mechanism.

UNTTEE @TATEb AT 2 ton.

FERNAND BR IAULT, OF VILLEMOMBLE, FRANCE.

APPARATUS FOR AUTOMAT. 'JALLY RAISING VEHICLES.

Specification of Letters Patent.

Patented Get. 1131, 1910.

Application filed April 23 1910. Serial No. 557,219.

To all whom it may concern:

Be it known that I, FERNAND BRIAULT, residing at Villemomble, Seine, France, have invented new and useful Improvements 1n Apparatus forAutomatically Raising Vehicles, which improvements are fully set forth in the following specification.

It is Well known that the usual method for raising vehicles, and more particularly motor cars, the tires of which are to be repaired or changed, is to employ jacks acting by raising a vertically movable toothed rack in a fixed frame, operated by handTlply e manipulation of such an apparatus, more particularly when used for raising heavy loads, necessitates the expenditure of considerable labor and time. v This invention relates to an apparatus by means of which the vehicle can be raised simply by moving it.

The apparatus in question consists essentially of a trestle which remains rigid during the raising operations which operations are effected by the rotation of the said trestle about a pivot at its top, carried by a support or bracket secured to the, vehicle, and by bringing into contact with the ground a shoe forming the end of a twopart telescopic locking leg with which the said trestle is provided, combined with another leg having its end supported on a roller. order to resume its normal posit-ion, by anlocking the two telescopic parts forming the.

leg carrying the shoe by means of an external operating device, so that they slide relatively to each other.

In the accompanying drawing given by way of example, Figure 1 shows the apparatus partly in elevation and partly in section, and Figs. 2 and 4 are diagrammatic views showing the apparatus in various stages during operation. Figs. 5 and 6 are detail sectional views on an enlarged scale,

showing the lock releasing device hereinafter described.

The apparatus consists of a trestle, the uprights a 7) of which, preferably of tubular form, are secured together at one of their ends so as to form the apex of a triangular system by m'ans of a two-way coupling terminating in. a shackle c. The branch a terminates at its other end in a shackle d carry- The vehicle is again lowered in ing the spindle of a roller 6. The other leg I) which is shorter than the leg a forms a receptacle and guide for a bottom rod which telescopes with the same and carries at its bottom end a shoe 9, having a curved portion h, and a flat bearing surface 27. A

compression spring 70 is arranged in the leg b and bears againsttlie rod'y carrying the shoe. This rod is prevented from turning by the pin Z with which it is provided and which cooperates with a suitable slot made in the wall of the leg I). The legs a b are braced by means of a horizontal tube m which insures the rigidity of the triangular system and in which is slidably mounted a bolt n, the projecting end 0 of which, with .double bevel faces, cooperates with a suitable recess made in the telescopic rod The bolt n is perforated transversely for afi'ording passage to a spindle p the axis of which is at right anglesthereto. This spindle is flatened where itpasses through the bolt, the thickness of such flattened portion corresponding with the width of a mortise 9 arranged longitudinally in the said bolt n. The spindle 22 rotates in two transverse bosses which are provided on a union r secured to the leg a, and is rotated by means of a crank 8 connected by any proper means to a lever which the driver of the vehicle can operate without leaving his seat. On the front portion of the sliding bolt it bears one of the ends of a spring 25 passingthrough the log a and having its other end barring against a stop nut 14 which is alsoiiscd when assembling. The trestle thus constituted, is fixed either permanently or detacbpblyto a bracket 2; secured to the vehicle, forinstancc to the axle or to the spring, the shackle (f at the top of the trestle being connected to the tcnon of the bracket by means of a pm. The shackle c'ls provided moreover with a ,stop :1; cooperating with a corresponding stop 1 with which the tenon of the bracket is provided. I

The apparatus can be applied to the vehicle either only at the back, or in front and at the back, so as to enable the vehicle to be completely or partly raised. When the vehicle is traveling, the trestle is held in a horizontal position into which it is brought by means of a cable (not shown) acting on the lever s (Fig. hen, after stopping, it is desired to raise one of the Wheels from the ground, the apparatus is lowered, so as to bring the shoe g into contact with the ground (chain dotted lines in Fig. 2). A backward movement imparted to' the vehicle, owing to the slope h of the curved portion of thG SlIOG, enables the trestle to turn about its upper pivot and the vehicle to be raised on the shoe g suclieshoe forming the point of rest (Fig. 3.)

Equilibrium is obtained when the hub of the wheel, passing the vertical line drawn through the leg 1), brings the roller e into contact With the ground as well as the bearing surface 2' of the shoe g (chain dotted lines in Fig. 3). The system thus arranged, is rigid, the spindle being in the position shown in Figs. 1 and 5 and preventing anv longitudinal movement of the bolt n (Fig.

1), If an excessive eliort, or the state of the ground, have the tendency to cause the trestle to pass beyond the position of equilibrium,'the stops m y limit the movement by coming into contact, the elfort acting on the leg a merely causing the roller 2 to roll on the ground, which results in a backward movement and protects the against any excessive strain.

For restarting, the driver pulls the cable controlling the apparatus for bringing the lever B into-the position shown in dotted lines (Fig. 5). The spindle n is thus caused to rotate and presents its flattened portion edgewise to the mortise g with which the bolt 71. is provided. At the same time the weight of the vehicle has the tendency to telesco e .the rod 7 in the tubular leg 6, pushing bac Ward, by means of its beveled face, the projection 0 of the bolt 7 which is free. The leg 6 f becoming shorter, the Weight of the vehicle causes the apparatus to turn about .the point of contact of the roller c with the ground (Fig. 4), the said roller e also moving backward thus lowering the top of the.

trestle so as to bring the wheel into contact with the ground.

A forward movement of the vehicle enables the apparatus to be disengaged completely and brought into the non-operative position (shown in dotted lines in Fig. i); the springs is and t act at that moment so as to bring the rod 7 and the bolt 11 into their operative position, and replace the parts in the position similar to that orig1- nally occupied, by the engagement of the projection of the bolt 71- With the corresponding recess of the rod f. When it is desired to raise a vehicle completely, two apparatus secured at the lack could be combined with a simple central front leg.

hat I claim is:-

1. In a device of the character described, a trestle or support comprising a pair of converging legs rigidly secured together at one end, a roller journalcd at the other end of one leg, a telescoping member carried by apparatus the other end of the other leg, and a shoe carried by said telescoping member.

2. In a deviceof the class described, a ll-shaped trestle or support. comprising a pair of tubular legs, a roller ri idly mounted at the end of one leg, a bar arranged to telescope within the other leg, and a shoe secured to the end of said bar.

3. In a device of the character described, the combination with a fixed part of a vehicle, of a bracketadapted to be secured thereto, a V-shaped trestle or support pivoted to said bracket at its apex, and a shoe and roller fixed to the other end of said support and adapted to engage the ground.

at. In a device of the character described,

trestle, adapted to be attached at its apex to a vehicle, one of the legs of said trestle being of fixed length, and the other of said legs being extensible and collapsible, a

spring tending to move said last mentioned leg to extended position, and means for locking it in such position.

(3. In a device of the character described, a Vshaped support comprising a pair of legs, and adapted to be attached at its apex to the axle of a vehicle, one of said legs being extensible, means for normally locking such leg in extended position, and means operable from the drivers seat for releasing said lock, and permitting the leg to collapse under the influence of the weight of the vehicle.

7. In a device of the character described a. V-shaped support comprising a pair of legs, and adapted to be'secured at its apex to the axle of a vehicle, one oi said legs being extensible, means for normally locking such leg in extended position, means for releasing said lock so as to permit said leg to collapse under the influence of the Weight of the vehicle, and means for automatically re storing the parts to normal, position when such weight is removed.

S. In a device of the character described,

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the end of the other, said shoe and roller loeing adapted to engage the ground.

9. In a device of the character described, an A-shap'ed support comprising a pair of legs and a connecting brace, all rigidly united, and adapted to be secured at its apex In testimony ivhercof I have signed this to the axle of a vehicle, one of said legs and specification in the presence of two subscribsaid brace being ho110w, a rod arranged to ing witnesses.

telescope Within such hollow leg,- and pro- FERNAND BRIAULT. vidsd with a notch, and a locking bolt slid- Witnesses: ably mounted in said brace and adapted to EMILE LEDRET,

engage said notch. v H. C. Coxn.

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