All Patents in class 474/135 |
Patents 1 -
10
of 16
      |
Picture | Number | Date | Patentee | Title |
 | 888,765 | May 26, 1908 | B.D. Stevens | Driving mechanism for planers |
 | 960,347 | Jun. 07, 1910 | A.F. Kwis | Belt-tightener |
| 1,261,156 | Apr. 02, 1918 | C.H. Norton | Belt Drive for Grinding Machines |
| 1,292,995 | Feb. 04, 1919 | C.H. Beach | Means for mounting sewing-machine motors |
 | 1,374,109 | Apr. 05, 1921 | H.C. Pierle | Change-of-speed mechanism |
| 1,744,746 | Jan. 28, 1930 | A. Brown | Tensioning Device for Driving Belts |
| 1,744,781 | Jan. 28, 1930 | A. Brown, M.I. Mathewson | Tensioning Device for Driving Belts |
 | 1,879,145 | Sep. 27, 1932 | B. Erickson | Three-wheel bandsaw |
 | 2,191,155 | Feb. 20, 1940 | C.L. Mattison | Pulley supporting device |
| 2,343,084 | Feb. 29, 1944 | W.E. Twamley, C.A. Rich | Tightening Device for Sprocket Chains, Belts, and the Like |