US426743A

US426743A - Oar-logk

Info

Publication number: US426743A
Authority: US
Publication date: 1890-04-29
Anticipated expiration: 1907-04-29

Description

G. N. SBAULDING. a; o. H. BATON.

OAR LOCK;

(Model.)

No. 426,7 4 3`. Patented Apr. 29, 1890.

n elf. w #A It.'

' upper section,

UNITED STATES GEORGE N. SPAULDING AND CHARLES' H. EATON, OF HARRISON, MAINE.

GAR-LOCK.

SPECIFICATION forming part of Letters Patent No. 426,743, dated April 29, 1890. Application filed .l'uly 5, 1889l Serial No. 316,510. (Model.)

vication, in which similar letters of reference indicate corresponding parts in all the figures.

Figure l is a side elevation of the rowlock with an oar in position therein, the oar loom or handle being shown in section. Fig. 2 is an elevation in section of the rowlock, showing the oar loom or handle in dotted lines and in position within the lock; and Fig. 3 is a det-ached view of one 'of the essential parts of the rowlock.

The socket A is comprised of a barrel c, having an annular flange d formed on its upper end, which flange provides means for securing the 'socket-piece in place upon the .thwarts of the boat by screws passing through perforations d2 in the flange. The rowlock proper consists of an eye or ring B, from which projects the shank B', that loosely engages the socket A and is secured therein by upsetting its free lower edge over the adjacent edge of the barrel a, as atea. The body of the ring B is divided into two sections at m, the upper and smaller of these sections being hinged to the lower section B2, as at d, Fig. l, said upper section C being therein shown elevated in dotted lines. As shown in Fig- 2, a tongue C', formed on the enters a slot or groove formed in the lower section, so that the parts may be secured together by a pin e, passing through aligning perforations in the ends of the ringsections. The pin e has an eye on one end engaged by a chain c, which is attached by its other end to an ear d on the lower section B2. By the construction as described the ring B may be separated to receive within it the body or loom of an oar and then be secured together, as shown in Fig. 1. The

lower section B2 is groovcd or channeled on its inner surface, said channel i being eX- tended nearly throughout said surface of thev ring-section, as shown in dotted lines in Fig. l. It is preferred to line the recess or chanf nel 'i with leather or other suitable material to prevent the rattle of an inserted tongue of metal, which will now be described.

A locking-block E is provided for the loose attachment of the oar D with the ring of the rowlock. Said block has a VIiange F, (see Fig. 3,) which is curved to tit the loom of an oar, and is to be secured thereto by screws, holes g being provided for this purpose. From the lower side of the locking-block E a tongue f projects, as to it and slide within the channel c'. of the ring-section B2.

Itwill be evident thatwhen the rowlock just described is fitted upon the thwarts or which is of such proportionate sizeside edges of a boat an oar D can be secured within the ring B by elevating the upper sections C, placing the tongue of the lockingblock E -in the channel t', and then closing the section named upon the lower section B2, to which-itis fastened'at each end in the manner stated. The insertionof the pin e will lock the oar in place, prevent longitudinal slip, and allow free sweeping action, as well as a proper rocking of the blade to feather it when necessary.

XVe do not limit ourselves to the form of rowlock shown and described, as our invention is applicable to any rowlock adapted to receive and retain the oar.

Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is-A y As an improved article of manufacture, a rowlock consisting in the socket A, the t-ransversely-divided ring B, having a shank B in said socket, the lower section B2 of the ring having a recess@n in its upper face, and the apertured block E, curved to fit the oar and formed on its lower face with a central stud f, having a sliding movement in the groove from end to end thereof, substantially as set forth.

GEORGE N. SPAULDING. CHARLES H. EATON.

Witnesses:

JEssE B. THORNTON, GEORGE S. Prrrs.