1416
THE NEW ZEALAND GAZETTE.
[No. 42

stantially as described. (8.) A combined oil-receptacle and vapouriser adjustably connected directly to the body of an engine by means of a hollow bearing or trunnion. (9.) The combination with the body of a double-acting free-piston gas or vapour engine of a vessel containing receptacles for fuel and lubricant and provided with a vapouriser, said vessel being pivotally mounted by a hollow trunnion on the body of the engine, the vapouriser communicating with the chambers of the engine through the hollow trunnion, and the receptacles being connected to supply fuel and lubricant to the vapouriser. (10.) The combination with an engine-body having a bearing-face such as 2 of a vapouriser adapted to fit the face and rotate relatively to it, and having inlets which correspond with inlets in the face, the vapouriser being adjustably attached to the engine-body as by a bolt 7. (11.) A vapouriser for an internal-combustion engine, comprising a tank or receptacle 5 for fuel, a float-valve chamber connected therewith, and a tube 18 passing through the tank and provided with a spring-controlled rod 19 for moving the float-valve, substantially as described. (12.) The complete adjustable fuel- and lubricant-feeding mechanism for an internal-combustion engine, substantially as described and illustrated in the drawings.
(Specification, 7s. 6d.; drawing, 2s.)

No. 20958.—2nd April, 1906.—OTHO CROMWELL DURYEA, of 2903 Dalton Street, Los Angeles, California, United States of America, Mechanic, and MORRIS COLUMBUS WHITE, at present residing in Clun House, Surrey Street, London, England, Mechanical Engineer. Improvements in or relating to free-piston gas or vapour engines.

Claims.—(1.) A rear compression direct double-acting gas or vapour engine having duplicate explosion-chambers and ways at its ends, and a piston-rod extending in said ways whereby equal action of the explosive charges in the opposite explosion-chambers is maintained. (2.) A rear compression direct double-acting gas or vapour engine having duplicate explosion-chambers and ways for the piston-rod open at both ends whereby the piston-rod is accessible at each end of the engine. (3.) A double-acting free-piston engine having ways at the ends of its body and having a piston-rod provided with two piston-heads and a rifle-bar between them, a rifle-sleeve mounted to rotate in one direction only, extending into the compression-chambers of the engine, and being chambered by the piston-heads on the compression-stroke, the piston-heads being hollow for that purpose. (4.) A free-piston engine having a sloping portion on its piston-rod, a pump on its body, the same being provided with a spring-returned piston, and a bell crank pivoted to the body and provided with rollers, one engaging said sloping portion and the other engaging the pump-piston for actuating the same, whereby water may be circulated for cooling the body of the engine. (5.) A free-piston engine having its body open at both ends, and having a piston-rod extending in and closing the openings at the ends, igniting-devices actuated from the piston-heads, and a handle adapted to be detachably connected with the piston-rod for starting the engine into operation. (6.) A free-piston engine having in its body ways at both ends, and having a piston-rod extending in and closing the ways at the ends and provided with a socket and an annular gain in one end of the piston-rod, and a handle for the piston-rod provided with a normally released catch, and with means for causing the catch to engage the annular gain of the piston-rod when the handle is inserted in the socket. (7.) The complete free-piston engine, substantially as described or illustrated in the drawings.
(Specification, 12s.; drawings, 2s.)

No. 21009.—18th April, 1906.—THE BIFURCATED RIVET COMPANY, LIMITED, of Gripwell Works, Warrington, Lancashire, England (assignees of Henry John Joselyne, of 10 Wool Exchange, London, England, Managing Director of the said Company). Improvements in rivets.

Claims.—(1.) A rivet characterized by the fact that the shank is formed of comparatively soft metal, while the head is of hard metal, and is preferably provided with a slightly tapered hole in which one end of the soft shank is expanded, whereby the parts are firmly held together. (2.) Modification of the device according to Claim 1, characterized by the fact that the rivet is formed in one piece, the head thereof only being subsequently hardened. (3.) Modification of the device according to Claim 1, characterized by the fact that a flange is formed upon the shank to provide a support for the washer and to prevent the washer travelling down the shank when applied to a soft or yielding material.
(Specification, 3s.; drawing, 1s.)

No. 21041.—25th April, 1906.—WILLIAM HENRY DAVIES, of 163 Heidelberg Road, Clifton Hill, near Melbourne, Victoria, Australia, Veterinary Surgeon. An improved adjustable horse-shoe.

Claims.—(1.) In an improved adjustable horse-shoe, making the same in two or more portions such as A and B, the portion A having therein at or near the toe of the shoe a slot such as D, while the other portion has a projection or tongue such as E for insertion within the said slot, substantially as described and illustrated. (2.) In an improved adjustable horse-shoe, the portions as set forth in Claim 1, the tongue and slot thereof having a hole or receptacle such as F for insertion of a metal pin, substantially as described and illustrated, and for the purpose set forth.
(Specification, 3s.; drawing, 1s.)

No. 21052.—28th April, 1906.—RICHARD PIERCE and HENRY SAMUEL WILKIE, both of Kaponga, Taranaki, New Zealand, Farmers. An improved wire-strainer.

Extract from Specification.—According hereto a lever provided with a pivoted hook is pivoted to one end of a plate upon which is formed an integral spur. The other end of the plate is coupled by links to a spring-operated clamp. Another spring-operated clamp is furnished with a length of chain, the links of which are adapted to be engaged by the pivoted hook.
[NOTE.—The above extract from the specification is inserted in place of the claims.]
(Specification, 2s. 6d.; drawing, 1s.)

An asterisk (*) denotes the complete specification of an invention for which a provisional specification has been already lodged.

NOTE.—The cost of copying the specification and drawing has been inserted after the notice of each application. An order for a copy or copies should be accompanied by a post-office order or postal note for the cost of copying.

The date of acceptance of each application is given after the number.

Extracts from the drawings accompanying the foregoing complete specifications appear at the end of this Gazette.

F. WALDEGRAVE,
Registrar.

Provisional Specifications accepted.

Patent Office,
Wellington, 30th May, 1906.

APPLICATIONS for Letters Patent, with provisional specifications, have been accepted as under:—

No. 20904.—G. T. Bennett, wooden tower.
No. 20970.—W. S. Clarke, fixing plastering-laths.
No. 20987.—J. Carter, indoor game.
No. 20988.—D. Macpherson, button.
No. 20991.—F. Sewell, propulsion of vessels.
No. 20997.—J. Macalister, seed-sower.
No. 20998.—F. Armstrong, apparatus for drilling teeth.
No. 21001.—J. M. Deschamps, fence-dropper.
No. 21002.—W. Bary, swingletree.
No. 21003.—A. G. Harvey, bit for controlling horse.
No. 21004.—A. S. Sargison, A. J. Debenham, and C. F. A. Cambridge, music-stand for bands.
No. 21011.—D. Ross and E. W. Pulver, cigarette-holder.
No. 21016.—C. J. Walker, manufacture of welted boots.
No. 21017.—B. Crawford and H. A. Tattersall, boiler.
No. 21018.—A. A. Pinches, clothes-prop.
No. 21022.—A. Harris, telegraph-wire insulator.
No. 21024.—A. McLeod, smoke-consumer and gas and heat generator.
No. 21025.—G Sage, cement post.
No. 21026.—D. McKinnon, seed-sower.
No. 21027.—C. E. Thompson, non-refillable bottle.
No. 21033.—J McMahon, sling for lifting cattle, &c.
No. 21034.—I. Bagot and H. W. Cranswick, nailless horse-shoe.
No. 21036.—J. H. L. Barry, apron for reaper-and-binder.
No. 21043.—F. G. B. Sanders, R. Sanders, H. Sanders, electric drilling-machine.
No. 21046.—B. A. Undrill, hair-pin.
No. 21050.—G. Barrett, boot and shoe fastener.
No. 21064.—E. T. C. Firth, mixing and disintegrating machine.
No. 21072.—United Shoe Machinery Company, boot and shoe making machine. (A. E. Jerram and A. Bates.)