US1203514A - Carrier for sheaf-hoists. - Google Patents

Description

w. e. FETROW & E. EBERLY. CARRIER FOR SHEAF HOISTS.

APPLICATION FILED MAY 27. 1916.

1 ,203,5 1 4. Patented 31, 1916.

MAJ ig /42??? A TTOR/VE Y8 UNITED 'sratrns "P E T WILLIAM G.- rn'rnow AND. EDGAR EBERL'Y; oninitoirnixtroamine,'rit1vivsszrnrnnrn.

CARRIER non SHEAF-HOIST-S.

Specification of Letters Patent.

'nppncationfilea Ma 27, I916. Serial No; 100,215.

T 0 all whom it may concern:

Be it known that we,'VVILL1AM G. Fnrnow and EDGAR EBERLY, both citizens "of the United States, an d'residents of Mechanicsburg, in the county of "Cumberland and State of Pennsylvania, haveinvented a new and Improved Carrierfor sheaf-Hoists, of

which the following is a full, clear, and exact description.

Our invention relates to sheaf hoists, an example of which is disclosed in United States Patent No. 1,114,454, granted to us October 20, 1914. In the apparatus forming the subject of the said patent, an endless hoist chain is provided with carrier fingers that engage the sheaves and carry the same upward as to a chute for instance.

The present invention relates particularly to the chain of the hoist, and the general object of the present invention is to provide a hoist chain in which means is provided in connection with the carrier fingers, whereby the fingers in the loaded position will be supported and the chain will be stiffened at the fingers during the upward run of the chain, so that the fingers will be prevented from yielding in a downward direction, which would result in the sheaf slipping from the fingers, and whereby, at the same time, the chain links and fingers will be free to assume the necessary positions on the down run of the chain.

The invention will be particularly explained in the specific description followmg.

Reference is to be had to the accompanying drawings forming a part of this specification in which similar reference characters indicate corresponding parts in all the views.

Figure 1 is a side elevation of a sheaf hoist embodying our invention; Fig. 2 is a detail vertical section of a chain link and one of the fingers thereof with the supporting means for the latter, the section being taken on the line 22, Fig. 3; Fig. 3 is a sectional plan view on the line 33, Fig. 2.

In carrying out our invention, the chain 10 has interposed therein, links 11, to which the carrying fingers 12 are pivoted by pins 13, or equivalent means.

In accordance with our invention there is pivotally mounted on the chain at each finger, a finger support 14. Preferably the said support is formed at its upper end substantially U-shaped in cross section to pre sent 1 cheeks'15 embracing the sides of the through the 'sidearms 11, throughthe cheeks 15 of the support. 14, and through the finger 1'2 so that the single pivot pin, in this construction, serves to pivot both the finger and its supporting means. At the lower end the sides 16 of the support 14 are spread to give a broad, effective bearing against the outer face of the adjacent link of the chain 10.

The upper edge 17 of the support 14 will thus be located directly adjacent to the back of the finger 12. WVhen the finger 12 is-in the outer position for carrying a sheaf on the upward run of the chain as indicated at the left of Fig. 1, the said finger will be pressed against the edge 17 of the support 14, thereby pressing the lower end 16 of the support firmly against the chain 10. Thus,

Patented other, 1916.

the finger will be firmly supported and the 7 chain stiffened so that neither the joints of the chain links nor the pivotal movement of the finger can be such as to perinit'the finger to assume an angle that would permit the sheaf to slip from the finger.

It will be understood that the means for driving the chain does not form part of the present invention. The illustrated means includes sprocket wheels, 18, 18*, mounted on shafts 19, 19 having suitable bearings on the mast 20. Said mast is illustrated as supported on an arm 21 of a post 22, the post being provided with a brace 23 above the arm 21 and embracing the said mast. The sheaves may be delivered to a chute 24, here shown as supported by links 25, or delivered to a barn or otherwise disposed of at the upper end of the chain.

By reason of the pivotal relation to a sheaf finger and its support 14, the supports are not carried forwardly from the face of the chain when the finger moves to the inner position, and thus, the support does not project to ofier an obstruction in turning about thesprockets and passing the chute or other parts of the hoisting structure.

Having thus described our invention We claim as new, and desire to secure by Letters Patent:

1. A hoist chain, certain of the links of which are formed with laterally projecting arms, sheaf-carrying fingers pivoted. at their inner ends between said arms, and supports, U-shaped at their upper ends and. presenting cheeks embracing the pivoted ends of the fingers, said supports having pivots in com= mon with the fingers, and depending from the pivots at the outer face of the chain, said supports each furthermore presenting a top edge directly beneath the adjacent finger to constitute a rest for the said finger, the sides of said supports being spread at the lower ends to bear against the opposed face of the chain under the pressure of the loaded finger.

:2. A hoist chain, sheaf-carrying fingers pivoted at one end on the chain at intervals on the latter, and pivoted supports on the chain beneath said fingers separate from the latter and movable relatively thereto and 1 supports and fingers.

In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.

WILLIAM G. FETROW. EDGAR EBERLY. WVitnesses SAMUEL E. BASEHORE, JAS. L. YOUNG.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.

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