CLEVISES. 



59 



a horizontal arm, with a laterally-vibrating 

 draft -bar and suitable shifting mechanism, sub- 

 stantially as and for the purpose set forth. 



2. The combination of shifting-rod E, hav- 

 ing rack F, with wheel G, crank H I, pin i, 

 and slotted draft-bar J, substantially as and for 

 the purpose set forth. 



183,551. WILLIAM H. EDWARDS, 



Moline, 111. Clevises. Oct. 24, 1876. Filed 



July 24, 1876. 



Claim. A clevis consisting of the side- 

 plates A, provided with the arms C, having the 

 series of holes a formed therein, and the cross- 

 bar I, provided with the series of holes e, said 

 plates and cross-bar being connected by the 

 pins or studs / cast thereon, as shown and de- 

 scribed. 



188,413. C ROBINSON, Eau Claire, Wis. 



Clevises for Plows. Mar. 13, 1877. Filed 



Jan. 22, 1877. 



The vertical bar extending between the hor- 

 izontal portions of the clevis, in rear of its 

 notched end, is provided with a spur, the lower 

 part of which terminates in a horizontal 

 shoulder, upon which the locking-plate rests 

 when any one of its notches engages with said 

 spur at any lateral adjustment. The ring has 

 a horizontally-flattened portion, and to be 

 moved must first be placed in a position which 

 it could not otherwise assume. 



Claim. 1. In combination with the clevis 

 B, provided with the spur b' and shoulder b" ', 

 the locking-plate C, having a toothed front 

 edge, pivoted upon the bar A, and capable of 

 vertical motion, so as to enable its notches c to 

 engage or be released from engagement with 

 said spur, substantially as and for the purpose 

 specified. 



2. In combination with the clevis B, pro- 

 vided at its front end with a vertical space, 

 b'" , which has at its front side notches b, the 

 link E arranged to loosely fill one of said 

 notches, and provided with a horizontally-flat- 

 tened portion, e, that is capable of passing 

 through said space if" , substantially as and for 

 the purpose shown. 



189,021. J. C. COONLEYandA. O. 

 BUCKIUS, Chicago, 111. Clevises, Apr. 



3, 1877. Filed May 27, 1876. 



The brace-bar is attached to the clevis-plate 

 and draft-bar by detachable locking-connec- 

 tions. 



Claim. 1. The combination, substantially 

 as set forth, of the clevis-plate B, draft-bar D, 

 and brace-bar H, attached to the plate and 

 draft-bar by detachable locking-connections, 

 constructed and operating as specified. 



2. The combination of the draft-bar D and 

 brace-bar H, attached thereto by a detachable 

 locking-connection, constructed and operating 

 as described. 



190,070, J. A. OLSON, Vasa, Minn. 

 Plows. Apr. 24, 1877. Filed Mar. 6, 1877. 

 The land side handle is pivoted to the plow- 



beam, and extended forward to engage with 

 the arm of the clevis. This handle is vibrated 

 vertically, and locked by a spring-pawl and 

 ratchet, causing the clevis-plate to be raised or 

 lowered. Devices for the lateral adjustment 

 of the draft. 



Claim. 1. The herein described device for 

 regulating the set of a plow, consisting essen- 

 tially in the combination of the plow-beam A, 

 having a segmental ratchet a, with the en- 

 gaging or coupling lever-arms G E, operating- 

 handle F, and spring-catch /, substantially as 

 and for the purpose shown and specified. 



2. The combination of the plow-beam A, 

 having bolt c, arm G, having clevis G', swing- 

 ing-bracket H, and bolt I, substantially as and 

 for the purpose herein shown and specified. 



3. The adjustable clevis-plate herein de- 

 scribed, consisting of an upper plate, n, having 

 pin or screw g, a correspondingly-shaped lower 

 plate o, having perforation r, pin L, having 

 step or shoulder u, and bolt or screw s, all con- 

 structed and combined to operate substantially 

 in the manner and for the purpose herein set 

 forth. 



4. The combination of plow-beam A, swing- 

 ing and adjustable arm E, having handle F, 

 pivoted arm G, having clevis G', bracket H, 

 bolt I, parallelogram K, and clevis-plate n 0, 

 all constructed and combined to operate sub- 

 stantially in the manner and for the purpose 

 herein set forth. 



190,653. WM. S- WEIR, Monmouth, 



111. Clevises. May 8, 1877. Filed Jan. 



13, 1877. 



Shoulders or lugs are formed upon the hori- 

 zontal plate of the clevis, which prevent it 

 from dropping below a level, and hold the 

 evener in a working position. 



Claim. 1. A clevis, pivoted to beam-plates 

 B, and provided with lugs <? , or their equiva- 

 lents, which impinge against the forward faces 

 of said plates B, and hold the clevis from 

 dropping below a horizontal, or nearly hori- 

 zontal, position, substantially as described, and 

 for the purpose specified. 



2. A clevis, C, having a broad flattened 

 forward end and rear ends, having lugs /, 

 arranged to operate with double-tree D D' and 

 plates B, substantially as described, and for 

 the purpose specified. 



191,629. C O. WILDER, Monmouth, 



111. Plow-Clevises. June 5, 1877. Filed 



Apr. 7, 1877. 



Device to prevent the clevis falling below a 

 horizontal position. 



Claim. 1. The beam-plates B, having later- 

 ally-projecting pins or studs D, arranged to 

 operate in combination with a clevis, E, piv- 

 oted to the beam-plates, and provided with 

 lugs or projections e" , which come in contact 

 with the studs D, substantially as and for the 

 purpose specified. 



2. The beam-plates B, having a series of 

 bolt-holes, C, and series of projecting studs or 



