Volume 17, No. 26 December 28, 1867 Part 9 (1/2)

I claim, 1st, A shank, A, formed substantially as described in combination with the cutters, B, and nut or screw ring, O, the whole operating as set forth.

2d, In combination with the shank, A, cutters, B, and nut, C, the nut, e, bolt, g, and washer, g', formed as described and employed for the purposes specified.

71,944.--BOLT ATTACHMENT TO DOOR LOCK.--William H. Andrews [a.s.signor to Burton Mallory], New Haven, Conn.

I claim the bolt, E, constructed arranged within the lock case in combination with the follower, F, constructed with a cam, I, and spring, H, so as to hold the bolt securely in both its locked and unlocked position, substantially in the manner herein set forth.

71,945.--MECHANISM FOR PRESENTING PALM LEAF TO LOOMS.--Isaac Angell, Malden, Ma.s.s.

I claim for employment in connection with a loom for weaving with palm leaf or similar weft a mechanism substantially as set forth which automatically presents in succession the entering ends of single pieces of weft in such position with relation to the cross sectional form of each that each piece will be carried into the shed or web flatwise.

Also the mechanism for effecting the elevation and release of the weft, substantially as described.

Also the plate, d, with its rectangular perforations and the gate or slide for clamping a single piece of weft projecting through the plate, substantially as shown and described.

Also a mechanism substantially as set forth for ”knocking off” the weft raising mechanism when a piece of weft is presented.

71,946.--BLACKBOARD FOR SCHOOLS.--William Arroquuier, Worcester, Ma.s.s.

I claim covering the plaster, B, with a coating, C, composed of the ingredients named and applied in the manner above described whereby the proper color and roughness are obtained as set forth.

71,947.--MODE OF OPERATING SWELL IN MELODEONS.--C.E. Bacon [a.s.signor to himself. George A Prince and Calvin F.S. Thomas], Buffalo, N.Y.

I claim the arrangement of the swell pedals side by side with the bellows pedals and contiguous to and parallel therewith, for the purpose and substantially as described.

71,948.--MATERIALS FOR TRANSMITTING HEAT.--William C. Baker, New York city.

I claim the employment of salted water, glycerin, or their equivalents, to prevent freezing in transmitting and diffusing heat through ordinary pipes, tubes or radiators for the purpose of warming and ventilating railroad cars, public vehicles and buildings, substantially as herein described.

71,949.--LAMP BURNER.--George E. Baldwin (a.s.signor to E. Miller & Co.), West Meriden, Conn.

I claim the arrangement of the auxiliary or ventilating tube, E, with the wick tube, B, combined with a solid part.i.tion, F, in the base of the burner so as to form a close chamber around the tubes and wick adjuster, substantially in the manner and for the purpose herein set forth.

71,950.--AUTOMATIC TOOTH PLUGGER.--Burr Bannister and George F. Green, Kalamazoo, Mich.

We claim, 1st, The combination of an engine operated by means of compressed air with a tooth plugger for the purpose set forth and described.

2d, The lock, F, in connection with spring, 1, operated by cross head of piston rod, in the manner and for the purpose specified.

71,951.--CAR COUPLING.--William F. Barlow (a.s.signor to himself, James Bower and W.A. Jackson), Monmouth, Ill.

I claim, 1st, The catch, C, slotted draw head, A, and weight, X, combined as described and for the purpose set forth.

2d, The rods, M N and H, and elbow, K, combined as described and operating in combination with the elements of the first claim arranged substantially as described and for the purpose set forth.