US64093A - Photo-tltho - Google Patents

Description

initrh -tatrs'jgatrnt @ffice Jo EL or RFIEL'D, or' eao'roN, MASSACHUSETTS.

Lefort prima N0. einen, data-21121177 23, 1st-7.

IMPROVEMENT-:IN HAY AND COTTON PRESS.

T() .ALL WllOM- ITM-AY CONCERN: y

Be it known that l, Joni. Gamm-2LT), of Groton, in the vcounty of Middlesex, and State of Massachusetts, have invented an improved Hay and Cotton Press; and' I- do hereby declare that the following, taken in connection with' the drawings 'which accompany and form part of this specification, is a description of my invention suflicicnt 'to enable those skilledin the art to practise it. t

My invention relates to that class of vertical box presses for compressing hay, cotton, Mc., in which a follower is intermittently and progressively forced down by the action of toggle-levers, and suitable c o-operativ e ratchet land pawl mechanism, and the invention. consists primarily in the arrangement, upon each end of ,the press, of a pair of horizontal shafts or pins, whose oppositev ends extend into and slide freely in vertical ways or grooves; said shaftstextending through the two arms of a toggle-joint,and the two shafts carrying feeding and retaining pawls, working in the teeth of vertical ratchet plates, Ione of the shafts being hung from the follower, and thoupper toggle-arm having a. lever extending from it, by vibrating which the upper pawls are drawn down over the ratchet, while the lower ones are held stationary, and, alternately, the lower ones are slid down the ratchet, while the upper ones are held stationary, thus effecting aprogressive downward movement of the follower. i Y Y The drawings represent a press embodying my invention, A showing an end view, and B a central longi` tudinal section ofthe same. C, a side view of the ratchet pawls and 'their actuating lever.

a denotes the vertical box or frame, in which the hay is received and compressed. the follower, fitting and sliding freelywithin the same; said follower being suspendcdby cords or chains c, from a tilting frame, d, the cords ruiming over guide-sheaves or pulleys c f, to a windlass, g. In vthe opposite ends of the box or frame a are vertical openings h, into which cx tend the opposite ends of the follower-beam'z',and on the outer surface of each end wall, at the sides of this opening, are vertical ways orv grooves 7c, in each pair of which run two horizont-al shafts or pins Zo, the lower one ot' which is hung in bearings in a link, m, depending from the beam z', while the upper one is connected to the lower pin, and is held in position in the grooves k, and with relation tosuch lower pin by a toggle-joint, 4n x, as seen in the drawings. Each pin carries a pair of p`awls,p or g, 'which engage with vertical ratchcts r, at the sides ofthe groove 7c, and the upper arm of each toggle-joint has an actuating lever s, cxtendingou'twardly, as shown at B and v When tho press is to be charged with hay, the pawls are ali disengaged from the ratchets, and the follower is drawn up to the top of the press by the windlass g, the linksm are swung out from the beam z', and the follower is removed from the press, or is tipped up vertically at the top of thesanle. Sufficient hay being then-introduced, the follower is returned, the links m are swung back Aover the ends of the follower-beam, the ratchet on the windlass is released from its retaining pawl, the pawls p g are carried back into engagement with their ratchets, a'nd each lever s is thrown upinto the position shown at C. By new carrying down each lever into horizontal position it will readily be seen that while each upper pin or shaft Zis kept from moving by its pawls engaging with theA teeth of the ratchets,.the lower pins or shafts o are forced down by the straightening of the toggle-levers o r arms, as shown at B, .carrying with them the lin-ks m and follower o. If the lever i-s now swung back, the lower pawls become the retaining pawls, being held stationary by the ratchets, while the upper pawls slip down toward them, as seen at C.l By again forcing down the levers, the lower pawls are again forced down, while the upper ones remain stationary, again forcing' down the follower as before; this alternate downward movement and retention of the respective pawls being kept up until the hay is suiciently compressed, the pawls being kept at all times in proper relative position with relation to the ratchet teeth, by the grooves 7:, and toggle-arms n fr, while the` intermittent progressive movement of the follower is being effected. The follower is hung to a swinging frame, d, which is hinged to the case it, vin such a manner that it eanbe turned up on its hinges from its horizontal position'to a vert-ical posi-tion, and when the felloweris drawn to the top of the press and is released from the links an this-frame is turned up into vertical position, carrying with 'uit the follower, and thus leaving the press entirely open at top for introduction of the hay or other material to be pressed. y i

I claim, in combination with the follower, the grooves or ways at the ends of the press, and their sliding pins', the vertical ratchets and their double set-or sets of pawls, and the toggle-levers, when so arranged that an intermittent progressive movement is imparted to the follower by their co-operative movements, substantially as sct forth. i

Also in comhination'with the follower, the hinged frarne ci, by which the, follower may be swung up to leave'the press open, substantially as set forth.

JOEL GARFIELD.

Witnessesz A. D. Suuioxs. B. F. T Avr.

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