US678193A - Propelling mechanism for vessels. - Google Patents

Description

No. 678,l93. Patented July 9,1901.

M. A. PETERSON. PBORELIJNG MECHANISM FOR VESSELS.

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Patented July 9, 190i. M; A. PETERSON. PROPELLING MECHANISM FOR VESSELS.

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UNITED STATES PATENT OFFroE.

MARTIN A. PETE1RSON,IOF'SIOUXYOITY, IOWA.

PROPELLING MECHANISM FOR VESSELS SPECIFICATION forming part of Letters Patent No. 678,193, dated July 9, 1901. Application filed April 30, 1901. Serial No- 58,Z11. (No model.)

To all whom it may concern:

Be it known that I, MARTIN A. PETERSON, a citizen of the United States, residing at Sioux City, in the county of Woodbury and State of Iowa, have invented certain new and useful Improvements in Propelling Mechanism for Vessels, of which the following is a specification.

This invention relates to certain newand for vessels; and it consists in the construc tion and arrangement of the parts, as will be hereinafter set forth, and specifically pointed out in the claims.

In the accompanying drawings, Figure 1 is a side elevation showing the application of my invention to a vessel. Fig.:2 is a'pla'n View, the boxes through which the rock-shafts pass having the top and bottom removed. Fig. 3 is a detail transverse sectional view. Fig. 4 is a detail longitudinal section.

erating the rock-shafts. Figs. 6, 7, and 8 are detail views of the propellers, and Fig. 9 is a detail sectional View.

The hull of the vessel A is provided on each side above the water-line with boxes or frames A, consisting of longitudinal and verticallydisposed side pieces do. 1 In practice the inner side pieces 01'. may be a part of thehull. The bottom pieces of the boxes have at intervals slots a and above the bottom pieces are secured strips of flexible waterproof material a through which the bars which carry the propellers pass. The strips 0. may be of rubber, waterproof canvas, or rigid slides which will move in unison with the bars as they are oscillated, the object being to close the 1ongitudinal slots and prevent water entering the boxes. The upper piece a? or covering for the boxes A will be flush with the decks and can be readily removed to afford access to the boxes.

Bock-shafts b are journaled in the side ieces a a said rock-shafts bein seated in 7 V b the outer side pieces and pass through the in,- ner sides or hull ofthe vessel, the inner'projecting ends being provided with cranks b, which are rigidly attached thereto, the cranks being oscillated by mechanism which will be hereinafter described.

Rods c carry the folding or feathering pro Fig. 5 is a side elevation of the mechanism for oppellers, and said rods pass through the slots 0. in the bottom of the boxes A, then through the strips of, they also passing through open-- ings in the rock-shafts b, to which they are made fast by set-screws, so that the rods may I be adjusted to vary the depth of the propellers. It will be noted that the boxes have considerable depth, and quite a range of ad coiled'about the rod 0 after .the manner of a butt-hinge, the hinge connections coacting to prevent the blades swinging one beyond the other when they are open in driving the vessel forward. Adjacent to the hinge c I provide a longitudinal loop 0 against which the diverging bars will abut in order to prevent the blades closing entirely one against the other, and the sides of the diverging bars may be cut away or beveled to provide, should they bebrought close together, edges which diverge away from each other rearwardly, so that they will spread when moved aft. A spring c is coiled about the bar 0 and through the loop 0 the ends of said spring bearing upon the rear surfaces of the blades, tending to exert a pressure against theupperportion of the blades to throw them apart. In front of the feathering-blades to the-barc there'is attached a guard 0, made up of a piece of'sheet metal which is bent so as to be V-shaped in cross-section, and this guard not only serves to protect the hinges, but also acts in use as a cut -water.

The propeller-blades constructed as shown, so as to feather when moved forward and open when moved aft, are arranged so that when the forward propellers are moving towardthe bow those located aft on the opposite side will move in the same direction, or, in other words, those propellers which are located diagonally opposite move simultaneously in the same direction. I As the forward propellers exert a greater tendency to move the vessel offjits course than the rear ones, thereisprovided a larger number of propeller-blades aft, and said blades are so arranged that when those forward on one side-say on the portare op crating to drive the vessel forward those aft on the starboard side are operating in the same manner, the larger number of paddles aft overcoming the tendency of the forward paddles to turn the vessel. Each set of'paddles is connected by rods d, which are attached to cranks which are secured to the rock-shafts, and these rods 01 are also connected to pitmen d (1 which engage the wrist-pins of wheels D,which are turned in any suitable manner, the connecting means being such that the forward rock-shafts are oscillated in a different direction from the aft ones.

It is within the scope of myinvention to provide other means for gearing the drivingwheels to the rock-shaft; butin every instance the gearing should be such that the paddles on the same side of the vessel are oscillated simultaneously in opposite directions, and the engine should be so geared that when it is desired to turn the vessel the paddles on one side can be thrown out of gear or held stationary while those on the other side are operating.

By means of this device vessels of shallow made without departing from the spirit of my invention.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. In combination with a vessel, having 1ongitudinal boxes with slotted bottoms, of rockshafts jon rnaled in said boxes,fe'atheringpaddles adjustably attached to the rock-shafts, and means for oscillating said rock-shafts, substantially as shown.

2. In combination with a vessel having longitudinal boxes, rock-shat ts j ournaled in said boxes, of feathering-paddles carried by rods which are adjustably attached to the rock shafts, cranks on the ends of the rock-shafts, rods connecting several rock-shafts together, and means for oscillating each series of rockshafts and paddles attached thereto on the same side of the vessel in opposite directions, substantially as shown.

3. A feathering-paddle for propelling vessels consisting of a central rod, diverging side bars connected to the rod by a rule-hinge joint, plates attached to the diverging bars and to the central rod by being coiled about the same, a V-shaped guard carried by the central rod in advance of said rod and the paddles which are attached thereto, substantially as shown.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

MARTIN A. PETERSGN.

Witnesses:

BEN JENSEN, CHRISTIAN E. PETERSON.

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