US424347A

US424347A - Peter payette

Info

Publication number: US424347A
Authority: US
Publication date: 1890-03-25
Anticipated expiration: 1907-03-25

Description

(No Model.)

P. FAYETTE. SAW MILL DOG.

Patented Mar. 25, 1890.

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NITED STATES PATENT OFFICE.

PETER PAYETTE, OF PENETANGUISHENE, ONTARIO, CANADA.

SAW-MILL DOG.

SPECIFICATION forming part of Letters Patent No. 424,347, dated March 25, 1890. Application filed June 7, 1889. Serial No. 313,477. (No model.)

To aZZ whom it may concern:

Be it known that I, PETER PAYETTE, manufacturer, of the town of Penetanguishene, in the county of Simcoe, in the Province of Ontario, Canada, have invented an Improved Saw-Mill Dog, of which the following is a specification.

The object of the inventionis to provide a mill-dog which is compact in form and adapted for use with logs of large or small diameter, as well as for holding the last board after the log has been sawed up.

Figure 1 is a perspective view of my improved mill-dog. Fig.2 is a detail of the sliding head-block which carries the dog for the log as well as the dog for the board.

Like letters indicate similar parts in the different figures.

In Fig. 1, A is the base, which may be fastened rigidly in a suitable position, and B is a standard formed thereon, provided with grooved guide-pieces 0, one on each side of the sliding piece D, grooved throughouttheir length, as at a, so as to form a T-shaped slot designed to receive flanges on the verticallyadjustable sliding piece D, whereby the sliding piece D may be moved up and down, as hereinafter described. To the top of the sliding piece D is pivoted at b the arm F, which is also pivoted at its lower end,which is preferably forked, to the bent lever G, as shown. This lever G has a pivot-fulcrum 'r' on the sides and near the base of the standard. On the base A is formed the spring-bearing piece II, formed, preferably, of flat pieces of steel bolted to a block or projection, as shown, and designed to receive in its free end the sliding piece D, so as to avoid any jar should the sliding piece D be permitted to fall through its Ways. To the face of the sliding piece D is bolted or otherwise attached the upright I, designed to receive and hold in position the sliding-block J, and having holes 0 to receive the end of the spring-pin K, which passes through bearings d, formed on the upper part of the sliding block J. On this sliding block J is pivoted the log-dog L, the two arms 1 l thereof forming an obtuse angle, the shorter arm Z being bent, as shown, at the end to form a tooth or spike end w, so as to enter or grip a log at the proper angle. The dotted lines show the 1og=dog in position to enter a log, the arm Z being longer and heavier than the arm Z, and being also designed to be fitted with a handle. The dotted lines indicate the position of the log-dog L when free to move on its pivot. The arm Z is provided with a pin m, designed to catch under and be held by the curved spring N when the long end Z of the log-dog L is thrown up, so as to be out of the way when not in use, as illustrated in solid lines in Fi 1. On the sliding block J is formed the catch or lug 0, designed to stay the log-dogL in position when the tooth has gripped a log. The sliding block J has also a recess 19 formed therein, within which and behind the log-dog L is pivoted the board-dog 0, the recess 13 being of suflicient width to allow of a certain play for the board-dog O, of ordinary shape, as shown, and which is provided with a spike end adapted to grip and hold in position the wood while the last boards are being sawed. The other end is held by the bottom 25 of the recess.

In Fig. 2 there is a back View of the sliding block J, shown with grooved pieces formed thereon to embrace and to hold the slidin block J on the upright I, and being capabl of vertical adjustment on the upright I by means of the spring-pin K catching in the holes in the upright. In Fig. 2 is also shown the pin m on the long arm of the log-dog L caught under the curved spring N.

When it is required to dog a log or piece of square timber, the arm of the log-dog L is freed from the curved spring N and falls into the position shown in dotted lines. By raising the end of the bent lever, G the sliding piece D, which carries the slidin block J and the log-dog L and the board-do O, can be elevated to the required distanc e and then be allowed to fall or be jammed down on the log or square timber. The sliding block is made adjustable vertically on the upright I by means of the spring-pin K and holes 0 in the upright I, so as to adapt the position of the dogs to any size of lo -o1- board. a

VVhen'the board-dog O is only required for use, the pin on the arm of the log-do is thrown under the curved spring and the I0 dog L is out of the way, as shown in the fu ll lines in Fig. 1.

What I claim as my invention is 1. In a mill-dog, the combination of a basepiece A and a standard B, having guide-pieces 0 formed thereon, adapted to receive and hold in position a sliding piece D, With or Without a spring-bearin g II for the bottom of said sliding piece, an arm F, pivoted to the upper end of the sliding piece D, as Well as to a lever G, which has a pivoted fulcrum 4" near the base of the standard B, an upright I, having holes 0 formed therein to receive the end of a spring-pin K, located in the upper part of a sliding block J, vertically adjustable on said upright I, a curved spring N, attached at one end to the sliding block J, designed to press on a pin on on the inner face of one of the arms of the log-dog L when it is not in use, a log-dog L, pivoted to said sliding block J, the log-dog L having arms forming an obtuse angle and provided with a bent spike end w, a lug or catch 0, formed on the lower portion of said sliding block, arecess 19, formed in said sliding block, in which is pivoted a board-dog O behind the log-dog L, and having a bearing tagainst the bottom of the recess, substantially as described and specified.

2. In a mill-dog, the combination of a vertically-adjustable sliding block J, adapted to move along with a reciprocating sliding piece I D, a curved spring N, attached to the sliding spring N, attached to a sliding block J, and a 3 5 log-dog L, pivoted on the sliding block J and having a pin or projection m, formed thereon, adapted to engage with said curved spring N, substantially as described,and for the purpose specified.

4;. In a mill-dog, the combination, With a recessed and vertically-adj ustable sliding block J, adapted to move along with areciprocating sliding piece D, of a log-dogL and board-dog O, pivoted on said sliding block J, the boarddog 0 being Within a recess 19 on the sliding block J and behind the log-dog L, and the bearings 0 and t for said dogs, substantially as described and specified.

Penetanguishene, May 25, 1889.

PETER FAYETTE.

In presence of- W. J. KEATIN, J. F. OSBORNE.