1394

THE NEW ZEALAND GAZETTE.

[No. 33

No. 29188.—27th February, 1911.—Cecil George McKellar, Assoc. Mech. Eng., of Christchurch, New Zealand, Civil Engineer. Improvements in chain-adjustment devices for cycles.

Extract from Specification.—According to the present invention a plate 5 is placed upon the outer face of the slot, such plate 5 being provided with a hole 6, through which the end of the axle passes while its rear end extends beyond the rear extremity of the plate 1, and is bent over at right angles across the end of the plate 1, so as to form a lug 7, as shown in Figs. 2 and 3. A hole 8 is formed through the lug 7, such hole being tapped to receive a set-screw 9, which is inserted from the back so that its point bears against the rear edge of the plate 1, which is formed preferably with a slight recess 10 to receive the point of the screw, and a projection or stop 11 arranged above to prevent the screw from lifting up. A suitable lock-nut is provided to prevent the screw 9 from turning after the chain-adjustment has been made.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

(Specification, 4s.)

No. 29230.—8th March, 1911.—William James Woods, of Auckland, New Zealand, Bootmaker. An improved boot.

Claim.—The improved boot, characterized by being provided with a loop upon the back of the upper, substantially as and for the purposes specified.

(Specification, 1s.)

No. 29234.—8th March, 1911.—John Stenson Clark, of 80 Niblett Street, Wanganui, New Zealand, Inventor. An improved dress-guard for bicycles and the like.

Extract from Specification.—According hereto a frame-work bent to conform to the shape of the mud-guard extends from the front of the wheel to a considerable distance over the back. The frame is continued until it meets at or near the axle. The frame is covered at the sides with net-work or wire, cord, or the like. The sides of the guard are pivoted upon the axle so that the whole guard may be turned upon the axle, and the said sides are also pivoted to fall downwards. When in working position the sides of the frame are clipped over the top of the mud-guard by spring clips or the like.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

(Specification, 2s. 6d.)

No. 29257.—14th April, 1910.—Sidney Charles Newson, of 32 Eastbourne Road, South Tottenham, Middlesex, England, Engineer. Improvements in internal-combustion engines of the two-cycle type.*

Claims.—(1.) An internal-combustion engine of the two-cycle type having inlet and exhaust ports controlled by the working piston, characterized by the exhaust-port being also controlled by an auxiliary valve of the sliding type which is operated directly or indirectly by the crank-shaft of the engine, said valve-operating gear being so set in relation to the crank connected to the working piston that the auxiliary exhaust-valve opens the exhaust-port before said port is uncovered by the working piston, and the exhaust-port is closed by said auxiliary exhaust-valve before the inlet-port is opened, and by the products of combustion being exhausted from the working cylinder by an exhausting-fan or the like. (2.) The improved internal-combustion engine, substantially as specified.

(Specification, 2s. 9d.)

No. 29259.—14th March, 1911.—Joseph Stanford, of 60 Hill Street, Wellington, New Zealand, Builder. New or improved machinery for making lead-headed nails.

Claims.—(1.) In apparatus of the kind described, a box having a bottom composed of bars spaced apart, some of said bars having webs forming longitudinal partitions, said box being hinged at one end to bars slotted similar to and corresponding with the bars at the bottom of the box, and means for reciprocating the box vertically, substantially as set forth. (2.) In apparatus of the kind described, the combination with sloping bars spaced apart, of means for checking the descent of the bulk of nails suspended from said bars, substantially as set forth. (3.) In apparatus of the kind described, the combination with sloping bars spaced apart, of a bar slidable transversely of the sloping bars, detents secured to the transverse bar, and slidable in slots formed in the sloping bars, substantially as set forth.

[NOTE.—Here follow eight other claims.]

(Specification, 6s. 3d.)

No. 29271.—15th March, 1911.—Jacob Matthias Lofthouse and Emily Rosalie Booty, both of 580 Hay Street, Perth, Australia, Caterer and Married Lady respectively. Improved carburetter for air-gas.

Claims.—(1.) A carburetter-valve having a floating bell as b, made with peripheral gas-exit slots as b1, and said bell, by a lazy-tongs movement as c1, operating a vertically movable telescopic tube as c, having a petrol-inlet port as c3, substantially as set forth, and as shown in the drawings. (2.) A carburetter-valve chamber as a, having the concentric mercury-well as a1, into which dips a bell as b, and said chamber being made with a petrol and mercury well as d and g1, into which vertically works a movable petrol-feed pipe c, substantially as set forth, and as shown in the drawings.

[NOTE.—Here follow two other claims.]

(Specification, 4s. 3d.)

No. 29284.—16th March, 1911.—Charles Simonsen, of Alexandra, New Zealand, Dredgemaster. Detecting the rise of water in holds or pontoons.

Claims.—(1.) In indicators for detecting the rise of water in holds of ships or pontoons, a weight floating on the water connected with a lesser weight and capable of making electric connection with a bell or connection with a common bell, all substantially as shown on the accompanying drawing, and as described and as explained. (2.) In indicators for detecting the rise of water in holds of ships or pontoons, the float-weights connected with lighter weights hung just above head-room so that when water rises the weights descend below head-room and so indicate the fact that there is undue water in the hold, all substantially as set forth.

(Specification, 2s.)

No. 29286.—16th March, 1911.—Edgar Arthur Ashcroft, of 99 Buckingham Palace Road, London, England, and of Sande Gaard, Balestrand, Sogn, Norway, Electro-chemical Engineer. Improvements in the manufacture of metallic sodium and potassium.

Extract from Specification.—This invention relates to the production of metallic sodium or potassium from fused raw materials, such as chlorides or hydrates of these metals, according to a modification of the electrolytic process for the production of alkali metals, with the use of a fused intermediate electrode, as described in the specification of my application in New Zealand, No. 28647. I have found that the process described in the said specification of application No. 28647 is improved if there be used, as the electrolyte in the second cell in such process, an amide of sodium or potassium, according to the metal to be produced, or a mixture of such amide with other fluxing materials, and especially in admixture with caustic soda or caustic potash. The most convenient electrolyte for the second cell, when pure sodium, for instance, is to be produced, is an admixture of about equal parts by weight of sodium-amide and sodium-hydrate, and it may very readily be prepared in the apparatus wherein it is to be electrolysed. Potassium amide and hydrate may also be present.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

(Specification, 3s.)