US233610A - Drag-saw - Google Patents

Description

J. P. POSDYGK.

Drag Saw.

No. 233,610. Patented Oct. 26,1880.

UNITED STATES PATENT OFFICE.

JOSEPH P. FOSDYGK, OF AUGUSTA, ILLINOIS.

D RAG-SAW.

SPECIFICATION forming part of Letters Patent No. 233,610, dated October 26, 1880.

Application filed February 20, 1880. (ModeL) To all whom it may concern 6.

Be it known that I, JOSEPH P. FosDYcK, a citizen of the United States, residing in Augusta, in the county of Hancock and State of Illinois, have invented a new and useful Im. provement in Drag-Saws or Machines for Sawing Wood, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the invention.

This invention consists of a buck sawingmachine so organized that the saw is carried and operated by a lever fulcrumed on the sawbuck.

In the annexed drawings, Figure l'is aperspective view of my buck sawing-machine. Figs. 2, 3, and 4 illustrate details of the machine.

The same letters of reference are used in all the figures to designate like parts.

The saw-buck is constructed with crossed legs l l and m g, which are connected by crossbars 10 and 0, and form the crotch for the support of the log of wood, as usual. The back legs, Z Z, are extended up some height above the front legs, m g, and are on top connected by a round, 1. The upper end of the right-hand legl is provided with a horizontally-projectin g stud, c, which projects through a longitudinal slot, e, in the upper end of the operating-lever a, and constitutes the fulcrum thereof. The lever a plays in a guide, a, secured to or formed on the front leg, m, of the saw-buck.

The lever is constructed with an elongated wide slot, at, to receive therein the buck-saw i j k, which may be of the ordinary form, save that the-handle is omitted. l t is pivoted at b to the lever to, and is sustained yieldingly in the proper position by a spring, j, which is secured, by its lower end, to the lever a at c, and engages with its free end a fixed loop or staple, g, on the saw-frame.

A little distance above the staple g a stop, h, is secured to the saw-frame, which limits the upward thrust of the saw by.coming in contact with the upper end of the spring, so that then the pressure on the spring will be approximately in the direction of its length.

A11 arm, d, fastened to the fulcrum-stud 0, extends down the side of lever a, through its lower end, passing into a loop on said lever. This loop is provided on its interior with a shoulder, against which, when the hand-lever a is in its lowest position, the end of arm d will loosely rest and prevent the pushing up of 5 5 buck. The lever is then allowed to descend so as to bring the saw down on the wood, (the end of armd being bythis means again seated on the shoulder in the loop,) after which it is oscillated by the sawyer to reciprocate the saw, which is held to its Work with a yielding pressure by spring f. As the sawing proceeds the saw gradually descends under the action of the spring, the action being substantially the same as the operation of an ordinarybucksaw operated directly by hand.

The lever, saw, and adjuncts may be duplicated on the.left-hand side of the saw-buck when it is desired to have a duplex buck sawing-machine.

Having thus described my invention, what I claim as new is 1. The combination, substantially as before set forth, of the saw-buck, the hand-lever pivoted to an upward extension of the saw-buck, the saw hungon the hand-lever, and the spring secured with one end to the hand-lever and connected with the saw both for supporting it and pressing on it when at Work.

2. The combination, substantially as before set forth, of the saw-buck, the hand-lever pivoted to an upward extension of the saw-buck,

the saw hung on the hand-lever, the spring for yieldingly supporting the saw, and the stop on the saw, arranged in relation to the spring as described.

3. The combination, substantially as before set forth, of the saw-buck, the leverguide 5 thereof, the slotted lever pivoted to an upward extension of the saw-buck, the saw hung in the slotted lever, and the spring for yieldingly supporting the saw.

Witness my hand this 24th day of December, A. D. 1879.

JOSEPH P. FOSDYGK.

WVitnesses:

W. H. MEAD, T. H. FosDYoK.

IOO

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