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Patents Completed.

4th June 1908, Page 24
4th June 1908
Page 24
Page 24, 4th June 1908 — Patents Completed.
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CASING FOR DIFFERENTIAL GEAR—Fiat—No. 24,026, dated 30th October, 1907.—This casing is made of stamped plate and i.s composed of two parts (51, Si) having the form of a T. The cross arms of the '1' enclose the differential gear and the divided rear axle, whilst the stem encloses the shaft .(0). The two parts of the casing are provided with lateral flanges by means of which they are bolted together, these flanges serving to strengthen the casing against lateral strains. The driven shaft (0) is connected to the driving shaft by means of o. universal joint ; it is carried in ball bearings (T, Ti) supported by the casing (S). A bevelled pinion (R1), gearing with a bevel wheel (RI) mounted on the differ. ential (D), is mounted on the shaft (0). The members (Al, Al) of the rear driving axle are carried at one end by ball bearings (Cl, Ci) and at the other end by ball bearings {Kl, K2) supported in housings 1,2) rigidly connected to the casing .(S). The stem of the casing (S) is rigidly secured to a yoke member (M) which is, in

turn, pivotally connected to breackets

L.T.2) secured to the frame of the vehicle, thus constituting a radius rod.

MOTOR ROAD TRAINS.—Societe Ed. Surcouf et Cie.—No. 3,693/1908, dated (under Convention) 8th March, 1907.—This invention relates to motor road vehicles having six wheels. The chassis (1) is provided with three axles (2, 3, 4), the front axle (2) and rear axle (3), are steering axles and are controlled by a common steering wheel. The springs (5) bearing the front axle (2) are connected to the chassis (1) by means of the brackets (6, 7) and the suspension links (8). The ends of the springs (9) of the middle axle (4) are connected by links. (10) to bent levers (11, 12) jointed, respectively, to brackets (13, 14) mounted on the longitudinal members of the chassis (1), the bent levers (11, 12) being joined together by a connecting rod 37). The springs (16) of the rear steering axle (3j are also connected to brackets (17, 18) mounted on the longitudinal members of the frame by means of bent levers (19, 20) and links (21), the levers (19, 20) being braced by the rod (22). The rear axle (3), like the middle axle (4), is retained longitudinally by a connecting rod (23) jointed to the frame. The suspension systems of the middle and rear axles

are conne.::ted together by a rod (24) which is jointed at one end to the bent lever (12) and at the other end to the bent lever (19). It results therefrom that, when one of these axles approaches the chassis, by reason of the inequalities in the surface of the ground, the other tends to move away, and vice verse. The length of the arms of the levers (12, 19), to which the rod (24) is jointed, is such that the middle axle (4) supports a heavier load than the other axles, in order to ensure more adhesion. The propelling effort is transmitted from the motor (25) to the change-speed gear (26), and from thence through the cardan shafts 27, 28) to the central driving wheels (29) by means of the chain (301, the differential gear (31), which is itself driven, for example, by a two-speed train, being arranged in the gearcase (32) and forming a reduction gear complementary to the change-speed gear (26). The shaft (28) extends through the gearcase (32) and controls, through a cardan joint, the shaft (33) which extends to the rear of the frame (1) and bears, at one end, a cardan joint (34). The last transverse member of the frame (1) also bears a piece (35) on which is jointed a false coupling rod (36) in such a manner that, as required, it is possible to couple behind the driving vehicle a following vehicle of which the steering rod hooks on to the false coupling bar (36), and which takes the power required for its propulsion from the terminal cardan joint (34).

MOTOR VEHICLES--Societe Annnyme des Automobiles Eugene No. 23,639/07, dated (under Convention) 20th November, 1906.—This invention relates to motor vehicles having six wheels, the front and rear pairs being steering

wheels and the other pair driving wheels. The engine (a) is placed, as usual, in the front of the vehicle and it transmits its motion to the driving wheels (1, c) by means of a cardan shaft (d) and a differ

ential (e). The latter carries at its two extremities pinions which gear with toothed drums integral with the driving

wheels. The movement of the front steering wheels (fi, q) is transmitted to the rear steering wheels (s, r) by means of a rod (9) pivoted to a lever (10) fast on a transversely-arranged rocking shaft (11). This rocking shaft also carries a lever (12) connected by means of a rod (13) to a lever (14) on the rear steering gear. In order that the rear wheels may adapt themselves to the irregularities of the road without overstraining the springs, the latter are connected together by means of links (k, rn) and a balancing lever (e, n). This balancing lever has two unequal arms arranged to put a greater load on the driving axle (i) than on the rear axle (k).

FIRE EXTINGUISHER. —Bradborn and Others.—No. 28,176, dated 21st December, 1907.—This invention relates to those fire extinguishers in which inversion of the apparatus permits the escape of sulphuric acid from at bottle into a carbonate solution contained in the extinguisher, with the result that a gas is generated which expels the liquid through

suitable hose. According to this invention a carrier is provided for the bottle containing the sulphuric acid. This carrier comprises a tray (E) upon which the base of the acid bottle (C) rests. The tray (F) is supported bY rods (14, H1) which are secured to the cap (E). A clip (0) is also provided which embraces the neck of the bottle just above the shoulder and is carried by a rod (J) which extends from the tray (V) to the cap (F). To facilitate the removal or replacement of the bottle (C), the tray (F) is preferably made to tilt, to a limited extent, within the carrier frame round trunnions or pivots (K), as shown in Fig. 2.

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