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Patents Completed.

7th March 1907, Page 36
7th March 1907
Page 36
Page 36, 7th March 1907 — Patents Completed.
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Which of the following most accurately describes the problem?

MAGNETIC CLUTCH. — Schuster and Another.--No. 13,068, dated 13th June, 1908.-1n order that the free clutch member may slide smoothly out of action

and be retained away from the other en that wear of the co-operating faces of the clutch does not take place, the free member (b) is carried on a sleeve 1c), which is free on the driving shaft, although prevented from endwise, movement by a collar on one side, and the fast clutch-member fal on the other. The sleeve (4) has a shoulder (f) at one end, and a collar (e.) at the other, between which the member (1.) is free to Slide, but it is keyed to the sleeve so that it cannot turn thereon. Between the flange (f) and the boss of the clutch member a spring (e) is mounted. This spring tends to keep the member (6) away from the member (a), but, as it rotates with the member, it does not drag upon it, but moves the same smoothly away from the member (a when the cleft') is demagnetised.

GOVERNOR.—Buckley. — No. 9,149, dated 18th February, 191:6.—Pivoted at or to a rotating disc (b) are a series of hell. cranklevees (c), each of which has a weight (f) on one end, and a roller ld) on the other. Resting on the rollers is a weight (g(, whose under-side is curved in such manner that steam is quickly cut off by outward movement of the weighted ends of the levers (r). The point at which steam is cut off, may be varied by varying the shape of the curved face of the weight 1,e), or the levers (t) may be carried he eccentrics on their pivots (m), so that, by turning the pivots, they can

be adjusted nearer to, or further ileum the depending outer edge of the weight DRIVING GEAR.—Enfield Cycle Co., Ltd., and Another.--No. 2,171, dated 29th January, 1906.—In i the driving mechanism, according to this invention, the differential gear is placed outside the driving wheels of the road-wheel

The axle is divided as shown at K, 1(1. and is carried in bearings in a casing (Ma The casing, also, carries a transverse shaft (Fi, which passes between the inner ends of the divided axle (K, Ku, and .7arries a bevel pinion (F.), and a sleeve (d1), whereon is a pinion (D). The pinion (D) meshes with a wheel (Id) on the axle portion (K), and the pinion (E) meshes with the wheel (P on the axle portion (El). Free on the shaft (F1, a cage (A) is, also, mounted, whereby the drive from the engine is transmitted to the shaft ; this cage carries pinions (BI, Cif which mesh with a pinion (Cl on the sleeve (dii, on one side, and with a

pinion (13) fast on the shaft, on either side. The sleeve (di) is free on the shaft (F), and it will, thus, be seen that the differential gear is operative between the pinions (D, F.).

ANTI-SK1D DEVICE.—.M oles worth . 10,398, dated 3rd May, 1906.—To prevent side-slipping, a wheel (a) is

mounted free on the axle, which carries the driving wheel fkii. According to an other arrangement, auxiliary wheels are placed one on each side of the driving wheel, and all of these wheels are connected to pivoted frames (e). The axles of the wheels are co-axial, and the frames of the wheels are connected by compensating lever (h) and links (g

SPANN F R.—Becham.—No. 2,561, dated 2nd February, 1906.—One jaw of the spanner has a divided shank (a) made integral therewith, and the other jaw (1) is free to slide between the two halves 04 the shank. A lever is also mounted in the space provided between the two halves of the shank, and is pivoted to thejaw (f) by a link (a71. On each side of the. lever (e) is a claw (e), and these claws engage teeth (h) on the edges of the divided shank (a). It will he seen that, by drawing the lever (el outwards from the shank, so that the claws (e), which disengage the jaw (10 ran be slid down the shank, and, as the lever is pressed back into the position shown in the figure, the claws (e) will engage the teeth (10 and, at the same time, a slight forward adjusment will be given to the jaw (f).

MANUFACTURING SCREW THREADS.—Beebee.—No. 9,753, dated 26th April, 1906.—For the purpose of

holding a stud, which is screw-threaded at one end, whint a thread is cut at theother end, a chuck (A) is employed. This. may be fixed in a lathe, or other device, and has a screw-threaded recess (a) adopted to receive the screw-threaded end (b) of the stud (B). Within the recess (A) a block (C) is placed, and a transverse pin (D) is secured in the chuck. On this pin is a flattened portion (d2), adapted to register with the block (C) when desired. When placing the stud in the chuck, the .pin (D) is turned so that the fiat portion does not face the block (C), anti the stud, being screwed home, forces the block against the cylindrical portion of the pin (Df. The thread is then cut on the stud, and the latter is afterwards released by turning the pin so. that the flat portion (rri) is brought opposite to the block (C) and die stud, thus, released.


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