CLEVISES. 



63 



limited vibration in the enlarged holes of the 

 beam-plates, allowing the clevis to rise above, 

 but not fall below, a horizontal position. 



Claim, i. The jaws B B, having therein 

 the openings a a, the coupling pin D, having 

 thereon the tongues e e, and the cross-link C, 

 having therein the openings c' c' , all combined 

 and arranged substantially as and for the pur- 

 poses specified. 



2. The combination, with each other and a 

 coupling-pin, of the beam-plates and the cross- 

 link or clevis-plate of a plow-clevis, each of 

 the said plates having therein openings, shaped 

 as shown, to receive the said pin, and the 

 said pin having at the parts entering both sets 

 of the said openings enlargements, as described 

 and shown, and the said openings admitting of 

 the forward end of the said link or clevis-plate 

 rising above, but not allowing it to fall below 

 a horizontal position, substantially as and for 

 the purposes specified. » 



220,983. JAMES F. MITCHEL, Mur- 

 ray, Ky. Plow-Clevises. Oct. 28, 1879. 

 Filed July 12, 1879. 



Claim. An adjustable clevis, consisting of 

 a rotary ratchet-disk having its teeth engaged 

 by a pawl and formed with a series of holes or 

 other means of attachment around its circum- 

 ference, substantially as herein shown and de- 

 scribed. 



221,851. ISAAC L. MYERS, Pine 

 Grove Mills, Pa. Plow-Clevises. Nov. 18, 



1879. Filed Sept. 3, 1879. 



Claim. The draft-rod c, secured to the 

 standard B by the plate c 1 , and then beam A, 

 and adjustable laterally at both its forward 

 and its rear ends, and having its forward end 

 held in a sleeve, b, adjustable to the direction 

 of the said draft-rod, substantially as and for 

 the purposes set forth. 



224,917. HENRY IWAN and LOUIS 

 IWAN, Roberts, 111. Draft Attachments 

 to Plows. Feb. 24, 1880. Filed Jan. 5, 

 1880. 



The draft-rod and clevis are pivoted in the 

 beam-plates, allowing vertical vibration. 



Claim. The combination, with the plow- 

 beam A, having end brackets, a, with holes 

 b, of the double bar E, pivoted in the brack- 

 ets by the bolt e, and having adjusting-holes 

 h, perforated plate /, and jointed draft- 

 rod sections i, k, substantially as described, 

 and for the purpose set forth. 



226,137. EDMUND WANSBROUGH, 



Pittsburg, Pa.; assignor to Alexander Speer 

 & Sons, same place. Clevises. Mar. 30, 



1880. Filed Feb. 10, 1880. 



By moving the clevis forward on the beams 

 their rear ends are thrown apart. 



Claim. 1. The combination, with indepen- 

 dent beams of a plow or cultivator, of a clevis, 

 A, constructed substantially as described, con- 



nected with their forward ends, and adapted 

 to vary the lateral adjustment of the rear ends 

 of said beams by its relative longitudinal ad- 

 justment on the forward ends of said beams, 

 substantially as set forth. 



2. A elevis provided with recesses on oppo- 

 site sides thereof for the insertion of the for- 

 ward ends of the beams, a central partition 

 having an elongated slot to allow of the lateral 

 adjustment of the rear ends of the beams by- 

 the longitudinal adjustment of the clevis on 

 their forward ends, substantially as set forth. 



3. A clevis provided with recesses, on its 

 opposite sides for the forward ends of 

 the beams, a central partition having an 

 elongated slot formed therein, and a plate 

 formed on the rear end of said partition of 

 greater width than the thickness of said par- 

 tition, substantially as set forth. 



226,667. EDWIN R. McCALL, Lock- 

 port, N. Y. Plow Attachments. Apr. 20, 

 1880. Filed Oct. 21, 1880. 

 By removing the key the wheel-standard 

 may be unhooked from the clevis and adjusted 

 up or down. 



Claim. The clevis D, with vertical slot e' , 

 and hooks b b, in combination with key C, 

 having shoulder c, and standard A, with ori- 

 fices a a and hook a', substantially as shown 

 and described. 



228,129. MARION H. SIMMONS, 



Atchinson, Kans. Self-Locking Clevises. 

 May 25, 1880. Filed Mar. 25, 1880. 



Claim 1. As an improved article of manu- 

 facture, a clevis constructed, substantially as 

 herein shown and described, of the arm A, hav- 

 ing pin C, the arm B, having notch D, the 

 hinging-pin E, the hooks F, and the link G, 

 as set forth. 



2. In a clevis, the combination of the arms 

 A B, the pin C, the hinging-pin E, the hooks 

 F, and the link G, substantially as herein 

 shown and described, whereby the clevis can 

 be readily attached to a double-tree or other 

 object, and will be held securely in place when 

 in use, as set forth. 



228,916. EDWIN R. McCALL, Lock- 

 port, N. Y. Plow Attachments. June 15, 

 1880. Filed Apr. 12, 1880. 



The standard is slipped into its socket-rings 

 to any desired point and turned half around, 

 when the studs will hold it in position. The 

 draft-book adjusts to the proper height and has 

 a recess to receive the stud. 



Claim 1. The combination of the standard 

 B, having teeth d, adjustable in connection 

 with disks b b, and hooks C, with recess h, for 

 reception of teeth d, substantially as shown, 

 and for the purpose described. 



2. The combination of the standard B, with 

 orifices e, teeth d, disks b b, with apertures a", 

 shaped for reception of standard, and hook C, 

 with shoulder for reception of a standard-tooth, 



