US1925912A - Impeller for water craft - Google Patents

Description

Sept. 5, 1933. R. D. sTRoUT IMPELLER FOR WATER CRAFT Filed Sept. 26, 1952 INVENTOR H IS ATTORNEYS- rs rffrsNr orties IMPELLER FOR WATER CRAFT Ray D. Strout, La Salle, Ill.

Application September 26, 1932 Serial No. 634,954

2 Claims. (Cl. 115-28) This invention relates to certain novel improvesubstantially parallel leaves 19 of the blade 16 bements in impellers for watercraft, and has for ins Separated by Spacers 20. its principal object the provision of an improved The lower @dse f the portion 17 0f the blade 16 construction of this character which will be highly bears on a retaining collar 21 attached to the efiicient in use and economical in manufacture. depending SUPPOTtDg arm 15 The blade iS DTS- 60 This application is similar to my abandoned vented from moving upwardly on the arm 15 by application iiled June 11, 1931, Ser. No. 543,549, means of a collar 22 attached to arm 15. Collar on an Impeller for watercraft. 22 is disposed in a notched portion 24 of the blade The object of this invention is to provide a sim- 16. This collar 22 has formed integral therewith ple, relatively inexpensive device for impelling a Dall Of dveeeht arms 23 WhCh aCl aS SODS t0 65 watercraft, especially small boats, in a manner limit movement or" the blade 16, relative to its similar to that which is known as sculling, supporting arm 15, in a manner presently to be Other objects will appear hereinafter, described. The invention consists in the novel combina- In use the rod l0 is pivotally manipulated back tion and arrangement of parts to be hereinafter and forth in a sculling motion, by means or 70 described and claimed. handle 25, causing the blade 16 to move back and The invention will be best understood by refforth through the water, as indicated in dotted erence to the accompanying drawing, showing lines (Fig. 2); the blade thus imparting motion the preferred form of construction and in which: to the craft 11. As the arm l5 is moved back and Fig. l is a side elevational View of a preferred -forth between the extremities of its arc of move- 75 form of the invention associated with a typical ment the blade 16 pivots at 17 on the arm 15 and watercraft or boat; abuts first one and then the other of the stop arms Fig. 2 is a top plan View or" the same on line 23, which thus limit movement ofthe blade 16 rel- 2-2 of Fig. 1; ative to its supporting arm 15. l

Fig. 3 is a perspective View of the new device Suitable mechanical means (not shown) may, 80 detached from the boat; if desired, be associated with the rod 14 to oscil- Fig. 4: is a sectional view on line 4-4 in Fig. 3; late the same back and forth if desired.

Fig, 5 is a sectional view on line 5 5 in Fig. While I have illustrated and described the pre- 3; and v ferred form of construction for carrying my in- '30 Fig. 6 is a sectional View on line 6 6 in Fig. 4. vention into effect, this is capable or variation and 85 1n the drawing, which illustrates a preferred modification, without departing from the spirit of form of the invention, the same is indicated genthe invention. 1, therefore, do not wish to be limerally at 10 and is associated with a typical waited to the precise details of construction set forth, tercrait or small boat 11 oi conventional debut desire to avail myself of such variations and sign. The new impeller comprises a vertical modineations as come within the scope of the support or standard 12 for attachment to the appended claims. boat 11, as shown. Pivotally mounted on this Having thus described my invention what I support 12 by means of a sleeve 13, for swinging claim as new and desire to protect by Letters movement in a substantially horizontal plane, is Patent is:

an operating member 14 which has at one end a 1. An impeller for small watercraft, comprisvertically extending supporting portion 15. This ing an operating member, means for pivotally operating member 14 is mounted between its end mounting said operating member between its ends on the support 12 so that one end portion 25 of on asmall watercraft, said operating member the rod 14 serves as a handle. including a vertically depending supporting por- Pivotally mounted, as at 17, on a depending tion, an impeller blade having one end pivotally portion 15 of the operating member 11i, for swingmounted on said depending portion, said blade being movement in a substantially horizontal plane, ing formed from a single continuous sheet of mais an impeller blade 16. This pivotal mounting terial and including substantially parallel leaves,

O the blade l5 0I1 the depending arm l5 may be said leaves being joined together at one end and BBCG in 2t Dumber Of delell WSNS but e plebeing bent around and embracing said supporting l ferred way of doing this is shown and consists in portion at their other ends, and a member on said forming the blade 16 of a sheet oi metal which is supporting portion including a pair of divergent bent back upon itself about the depending arm stop arms for limiting pivotal movement of said 15, as at 17 (Figs. 4 and 6) the ends of the sheet blade relative to said supporting portion. 110

16 being joined together as at 18, and the opposed 2. An impeller for small watercraft, comprising an operating member, means for pivotally mounting said operating member between its ends on a small watercraft, said operating member including a vertically depending supporting'portion, an

Yimpeller blade having one end pivotally mounted on said depending portion, said blade being formed from a single continuous sheet of material and including substantially parallel leaves, said leaves being joined together atrone end and being bent around and embracing said supporting portion at their other ends, said blade having a cut-out portion providing a notch therein at the A intersection of the kupper edge of the blade and

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