186 



RIDGERS. 



ments, and also admit of being thrown up out 

 of action when not needed. 



6. A wing constructed with a slightly concave 

 curvature on its under side, to round up the 

 eartti as the furrow is covered. 



7. Supporting the shares upon bent rods cap- 

 able of being adjusted laterally in the devices 

 which hold them in position. 



8. Supporting the shares, both at front and 

 rear, upon such rods to admit of either end 

 being adjusted relatively to the other. 



9. So supporting the shares by means of rods 

 and adjusting devices that they may be lower- 

 ed or raised, either at their front ends or at 

 their rear ends, at option or at both, substan- 

 tially as shown and described. 



10. Securing, adjustably, steadying the share- 

 supporting rods to the beam by means of screw- 

 threaded eyes or loops or nuts. 



11. The adjustable and yielding cultivator 

 blades adopted to be lifted and thrown out of 

 action when desired. 



12. The means, substantially as described 

 for adjusting the cultivator blades and their 

 supports to or from each other, without unfast- 

 ening them from the bars to which they are se- 

 cured. 



13. Forming in one piece the cultivator 

 blade support, and the coiled spring which 

 sustains it, and admits of its various movements 

 substantially as described. 



14. The provision in the beam of a slot J, 

 as and for the purpose described. 



15. The adjustable stay rod, as and for the 

 purpose described. 



16. The combination with the stay rods 

 which brace the shares of the slot in the beam 

 and means for firmly securing the rods in vari- 

 able positions, substantially as described. 



36,894. G. M. CLEMENTS, Kenduskeag, 

 Me. Cultivators. Nov. 11, 1862. 



The frame of this device is composed of three 

 bars a a a', the central one of which is hinged 

 or jointed at its front end to a rod, the two 

 others being also hinged to the same rod, and 

 the three are connected by transverse rods fit- 

 ted with screw-threads and nuts, by which 

 means the bars may be securely adjusted near- 

 er to or further from each other. 



To the outer side of each of the said bars are 

 attached curved bars E' extending downwards 

 and terminating in forks in which rollers are 

 placed. 



Claim. The frame A connected with the 

 draught pole D, as described and composed of 

 three bars a a a! connected together by the rods 

 d d, and arranged as shown, so that the bars 

 a a may be adjusted nearer together or further 

 apart as desired ; in combination with the 

 shares F F and adjustable rollers / /, all arrang- 

 ed substantially as and for the purpose herein 

 set forth. 



49,354. ALBION WEBB, assignor to 

 himself and D. M. Dunham, Bangor, Me. 

 Horse Hoe Cultivators. Aug. 8, 1865. 



Claim. 1. The manner in which the plates 

 E E are secured to the cross-bars B B, of the 

 machine, to wit, the oblong grooves a in said 

 bars B B, with notches e at their under surfaces 

 the covered rods F, and eye bolts G, all ar- 

 ranged in the manner substantially as and for 

 the purposes specified. 



2. The securing of the blades H to the plates 

 E, by means of a single bolt a, in connection 

 with the ribs b, and grooves c, substantially as 

 shown and described. 



2,812. R. B. DUNN and JOHN C. 

 FLINT, Bangor, Me., assignees by mesne 

 assignments of Albion Webb, same place. 

 Horse Hoe Cultivators. Patented Aug. 8, 

 1865. Reissued Dec. 17, 1867. 



Claim. 1. Securing the share to a plate in 

 such manner as to be readily removed there- 

 from or secured thereto, substantially as de- 

 scribed. 



2. The employment of teeth or cogs as a 

 means of adjustment, and holding in position 

 a movable blade, substantially as described. 



3. Providing a wing or blade, and the part 

 to which it is connected, with a rib in one and 

 a series of notches or grooves in the other, to 

 set and hold the blade in position. 



4. In combination with such rib and notches 

 a bolt and nut, or their equivalents, to loosen 

 and tighten the same, as described. 



5. Supporting the forward ends of the share- 

 supporting plate by means of screw-threaded 

 rods entering screw-threaded eyes on the plate 

 to admit of lowering or raising the share, sub- 

 stantially as shown and described. 



6. Providing the cross-bars with slots, or 

 their equivalents, as and for the purpose de- 

 scribed. 



7. Providing the cross-bars with notches to 

 receive the eyes of the loops, which secure the 

 share-supporting rods in the desired positions. 



8. The curved support D, made of a single 

 block, when constructed and applied as and for 

 the purposes described. 



72,104. JOHN SNYDER, Williamsfield, 

 Ohio. Corn Plows. Dec. 10, 1867. 



The verticle inclination of the tongue to the 

 main beam is adjustable at the front end of 

 the latter. The upright on the beam enters a 

 mortise in the tongue and may be raised from 

 the beam and retained by a transverse bolt. 



Claim. The combination of the tongue H, 

 strap L, and upright K with the forward end 

 of the central beam A, substantially as herein 

 shown and described and for the purpose set 

 forth. 



84,437. WALTER NOTMAN, Deer- 

 field, Ohio. Corn and Potato Plows. Nov. 

 24, 1868. 



Claim. The mold -boards G, of the twisted 

 and bent form, as shown, combined and ar- 

 ranged with the V-shaped frame A, cross-pieces 

 H, uprights D, and braces C L I, which parts 

 are firmly secured to each other, as herein rep- 



