US2427278A - Oar propelling means - Google Patents

Description

Sept. 9, .1947.

E.- L. HE BERT 2,427,278

OAR PROPELLING MEANS Filed Oct. 25, 1945 2 Sheets-Sheet 1 FIGURE I.

- INVENTOR. EDWARD L. HE BERT ATTORNEYS Sept. 9, 1947.. E; HE'BERT 2,427,278

OAR PROPELLING MEANS Filed Oct. 25, 1945 2 Sheets-Sheet 2 FIGURE 4 FIGURE 5' FIGURE 6 INVENTOR EDWARD L. HEBERT ATTCI RN EYE Patented Sept. 9 1947 UNITED STATES PATENT OFFICE OAR PROPELLING MEANS Edward L. Hebert, Biddeford, Maine Application October 25, 1945, Serial No. 624,483

1 Claim. 1

This invention relates to propelling means for rowboats and has for one of its main objects the provision of specially constructed oars or propelling means which will replace the conventional cars in use at the present time.

Another object of the invention is to provide a device that is easily operated, durable and can be easily attached or detached from a row boat.

With the above and other objects and advantages in view the invention consists of the novel details of construction, arrangement and combination of parts more fully hereinafter described, claimed and illustrated in the accompanying drawings in which:

Figure 1 is a side elevation of an embodiment of the invention as applied to a row boat.

Figure 2 is a view partly broken away on the line 2-2 of Figure 1.

Figure 3 is a detailed view on the line 33 of Figure 2.

Figure 4 is an end view of an embodiment of the invention.

Figure 5 is a top view on the line 5-5 of Figure 4 and Figure 6 is a sectional view on the line 5-6 of Figure 5.

Referring more in detail to the drawings the reference numeral ID designates the row boat or similar craft to which the invention can be applied, having sides l2 to which the anchor post 14- is secured by means of a clamp is formed on the lower end thereof. The clamp I6 is provided with a set screw it to firmly fix the clamp to the side of the boat.

Formed on the upper end of the post 14 is the rectangular shaped housing 2! having a curved top 22 and curved bottom 25.

The housing 28 has a removable plate 26 which is secured in place by bolts 28. Journalled in the top of the housing 20 is the shaft bolt 30, which is provided on one end with the gear 32 and on the other end with the short upper arm 34. A spacer sleeve 36 is mounted on the shaft 30 intermediate the housing 20 and the upper arm 34 and nuts 38 retain the elements as a unit assembly.

Pivotally connected to the upper arm 34 by means of the pivot 40 is the drive link or rod 42, and a sleeve 44 on the pivot 4!! permits free action of the drive link 42V Also journalled in the housing 20 are the oppositely positioned alined bolt shafts 46 and 41.

Mounted on the shaft 46 is the long lower arm 58 which is spaced from the housing 26 by sleeve 59 and retained in place by the nut 52 on the shaft bolt 46.

Slidably mounted on the lower arm 48 is the sleeve 54, which acts as a self adjuster for water level stroke, and the pivot 56 pivotally connects the lower end of the link 42 to the sleeve 54.

The stock 58 of the paddle 62 is adjustably mounted in the sleeve 54, and retained in position therein after adjustment for blade depth by means of the set screw 60.

The paddle 62 is provided with a pivoted blade 64 which is pivoted at 66 and permits the portion 64 to swing on top of water when it returns for the stroke.

The bolt shaft 41 is provided with a gear 68 which meshes with the gear 32 on the shaft 30. These gears operate to oscillate the arm 34 and operate the paddle at proper water level.

A crank i0 is mounted on the shaft 41 and spaced from the housing 20 by the sleeve 12 and a nut 14 retains these elements as a unit and the crank handle 16 is secured to the crank by the nut 18.

The operation is as follows: The crank is rotated causing the gears to rotate oscillating the paddle to propel the row boat. With paddles mounted on both sides of th row boat, the row boat can be propelled forward in the usual manner with the hinged blade feathering the paddles on the return stroke.

Thus a device has been provided that will be easy to operate, the paddles once adjusted for proper water depth will always be at proper adjustment for propelling the boat and the boat will be of great benefit to fishermen since there will be no paddles or oars in the bottom of the boat to hamper their actions or oars in oarlocks that can be lost during the excitement of a catch.

It is believed that the operation of the device will be apparent to those skilled in the art and it is to be understood that modifications and changes in the combination of the various parts may be resorted to provided they fall within the spirit of the invention or the scope of the ap pended claim,

Having thus described the invention what is claimed as new and desired to be secured by Letters Patent is:

A device of the character described, in combination with a boat, comprising a housing, means for securing said housing to a side of the boat, a long upper shaft and two short oppositely disposed lower shafts journalled in said housing, a short upper arm connected to said long upper shaft, a long lower arm connected to one of said lower shafts on the same side of said housing at said short upper arm, a sleeve slidably mounted on said long lower arm, a link connected to the free end of said short upper arm and to an end of said sleeve, a gear on said upper shaft, and a gear on said lower shaft opposite to the lower arm on said opposite shaft,

4 said gears adapted to mesh with each other to cause oscillation of said shafts and said upper and lower arms, a crank mounted on said last mentioned shaft outwardly of said gear to oscillate said shaft, and means in said sleeve for adjustably securing the stock of a paddle therein.

EDWARD L. EEBERT.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number

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