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Patents Completed.

31st January 1907
Page 22
Page 22, 31st January 1907 — Patents Completed.
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Which of the following most accurately describes the problem?

DRIVEN STEERING WHEELS. — Martin and another.—No. 986, dated 13th January, 1906.—The steering wheels are carried on a casing member (J, J1). To this member is secured a hollow pin (J2), constituting a vertical pivot, whereby the

whole turns in a secket (1) secured to a non-rotating axle (A). The portion (J1) of the casing is detachable from the part 0), and, within the latter, a chamber is formed to receive a joirt (D3) of a cardan shaft (D). That part of the shaft extending from the joint, and in a direction away from the driving mechanism (Fl), is secared to the hub (H) of the road wheel, whilst the other end is connected through a joint in the well-known manner to the driving gear. The chamber in the member (JI cvustitutes an oil bath, whereby the joint on the shaft is lubricated. It will be seen that the joint (D3) lies vertically beneath the pivot (J2), and the usual Ackermann steenng gear can be employed.

SPEED GEAR.—Inshaw.—No. 1,096, dated 15th January, 1906.—The driving shaft (1) carries two wheels (13, 14). The wheel (14) engages an outer wheel 13), which forms part of a group of wheels (6, 7, 8, and 9) arranged after the manner of a differential gear. The wheel (9) is connected by a sleeve (11) with the shaft to he driven upon, and is free on a shaft (2). The wheel (8) is, also, free on the shaft (2), and carries a larger wheel (15). The wheel (8) constitutes part of a clutch, the co-operating member 112) ef which

can be moved into and out of engagement, and serves as a brake. Surrounding a drum (16) on the wheel (3) is a band brake. For the normal speed, the clutch (12) is brought into engagement, but not so forcibly as to hold the wheel 8) stationary, the wheels (8 and 9j thus revolve together. As, however, the brake (12) is 'made to operate mare powerfully, driving takes place through the wheels (6 and 7), which begin to travel round the wheel (8) and to drive the wheel (9), and its connected shaft, at an increased speed. For reversing, the wheel (13) is brought into engagement with the wheel (15), whilst the brake drum (16) and, consequently, the wheel (3), are held stationary by the band brake.

BALL-BEARINGS.—La Societe' Fran• caise des Roulements a Billes.—No. 6,124, dated 13th March, 1906.—The method of assembling the balls in the bearing consists in placing the balls :n one of the races and then swinging the ball-race about an axis formed by one of the bulls, as cal), or by two balls, placed in position, relatively, to the other race member. This operation is permitted to take place by the elasticity of the ball race carrying the members, which spring stiff.

ciently for the purpose. When the as

sembling is performed by swinging the inner race member into the outer member, the sides (g, g) of the outer member (c) are inclined inwardly, in order to strengthen the outer ring and to increase the wedging action during the forcible admission of the halls. The balls may be retained in a cage (e).

SPEED GEAR. — Normanville.

7,11d, dated 24th March, 1906.—The driving shaft !b) has fast on it a toothed wheel (a). This wheel meshes with planet pinions (1), carried by a carriage ( /). On the same plate. other compound planet pinions (1, 11, 12) are carried. The teeth (1) of these pinions gear with the pinions (1) and the latter pinions, also, mesh with internal teeth (es) on the driven member (a). The teeth (11) of the compcund piniens mesh with a wheel (d), carried on a sleeve (e) having a brake drum (/), and the teeth (12) mesh with a pinion (c), on a sleeve (h) provided with a brake drum (g). The plate, or carriage, j) has, also, a brake drum (k). The fast speed is obtained by locking one of the wheels (e di to the wheel (a), so that the whole revolves as one. By holding eta tionary the pinion (ii), by means of the brake drum (f), the second speed is obtained, driving being effected, from the wheel (a) through the intermediate pinions (11 and 1.) The third speed is obtained by holding the wheel (c) stationary, by its brake drum (,e), and the reverse, by locking the carriage (Jr), by means of the drum (k). The reverse drive is effected direct from the wheel (a), through the pinions (1) to the driven member (a), whilst the other parts of the gear run STANDARD GAUGE.—Woerner.—No. 26,974, dated 27th December, 1905.—The gauge body (a) carries interchangeable cheeks (b), so that should one pair become worn, they may -be replaced by another pair, and the gauge thus, again, brought up to standard. The arms of the gauge are ground to receive the correspondingly ground faces of the detachable cheeks (b), and the outer faces of the cheeks are ground so that, when in place, the gap between them is of the standard width. Each cheelc is secured in place by a stem (c) and nut (f), and a steady-pin (g) may be employed to prevent their turning. The nuts {f, may be sealed by lead or other means.

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Organisations: eta, La Societe
Locations: Normanville

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