Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4372623 | Recirculating ball bearing A recirculating ball bearing for longitudinally moveable mounting of shafts comprising an outer race sleeve and a concentrically disposed guide sleeve with a plurality of ball races distributed over its circumference, each of the said ball races consistin... | 02/08/1983 |
| 4354585 | Overrunning clutch shiftable to free wheeling An overrunning clutch capable of being shifted to free wheeling in both directions and capable of being shifted to a camming position in one direction or free wheeling in opposite direction comprising an outer race provided with camming surfaces and an in... | 10/19/1982 |
| 4267625 | Assembly method for large diameter rolling bearings A method for the assembly of large diameter rolling bearings comprising two support rings concentrically arranged one in the other, the said rings being provided with circumferential grooves, two raceways wires form-lockingly arranged in seats in the groo... | 05/19/1981 |
| 4223962 | Play-free rolling bearings for low loads and low rpms Play-free roller or slide bearings for low loads and low rpms comprising two structural elements carrying bearing surfaces that either cooperate in direct sliding relationship or have interposed between the bearing surfaces roller bearings, one structural... | 09/23/1980 |
| 4162568 | Apparatus for universal joint assembly A novel apparatus for assembling universal joints formed by the connection of two shafts forked at their ends with a universal joint spider and having antifriction bearings arranged in opposite bores in the shaft forks for accommodating the spider trunnio... | 07/31/1979 |
| 4154490 | Sealed bushings for universal joints A sealed bushing for a universal joint comprising a bushing with one closed end and an open end for accommodating a universal joint trunnion, rolling elements mounted in the bushing and an elastic sealing ring mounted in the open end of the bushing adapte... | 05/15/1979 |
| 4122589 | Method of producing axial roller bearing cages A method for the production of an axial roller bearing cage comprising applying pressure transverse to its longitudinal direction along the entire longitudinal extent of one end flange of a flat cage strip of plastically deformable material with two space... | 10/31/1978 |
| 4081204 | Ball bearings and ball races A thin-walled race for a radical ball bearing and a thin-walled race sheave for an axial ball bearing as well as ball bearings containing said races or thrust washers and a method for producing said races and thrust washers and apparatus for the productio... | 03/28/1978 |
| 4070897 | Method for producing an outer shell for overrunning clutches A novel method for producing an outer shell for an unitary overrunning roller clutch and roller bearing having a central section provided with camming or ramp surfaces about its circumference and on either side thereof a smooth cylindrical end section as ... | 01/31/1978 |
| 4040688 | Novel cylindrical rollers Novel cylindrical rollers for antifriction bearings made of steel with a carbon content of 0.7 to 1.2% by weight, a sorbitic structure and a hardness increased by cold annealing to at least 50 HRC and a novel process for the preparation of said rollers.... | 08/09/1977 |
| 4037892 | Radial roller bearing for two parallel shafts A radial bearing for two parallel shafts whose direction of radial load is inclined 60° to 75° to the outside toward a line intersecting the two shaft axes comprising a pair of races with a spherical outer contour adjustably mounted in a common bearing ... | 07/26/1977 |
| 4022042 | Method of producing a thin shell for overrunning roller clutches A novel method for the production of a thin shell outer member for an overrunning roller clutch with cylindrical rollers at each end and a central portion profiled to form camming surfaces for the grip rollers and the two ends having smooth cylindrical re... | 05/10/1977 |
| 3969029 | Shaft coupling A novel shaft coupling particularly useful for bottom rollers in spinning machines wherein a shaft is provided at one end with an extension with a reduced diameter for engaging a longitudinal bore in the end of a second shaft, the connection of the two sh... | 07/13/1976 |
| 3957278 | Injection molded seal and production thereof Novel seal for bearings for example made of an injection moldable material such as plastic or rubber with the sealing lip support integral with the sealing lip and a process for the preparation of the said seal.... | 05/18/1976 |
| 3950046 | Bearing plate A novel thin-walled bearing plate for the pivotal support of a tension roller secured thereon comprising a sheet metal bearing plate provided with a bore hole to accommodate a fastening bolt and an oblong slot to accommodate a locking bolt and also provid... | 04/13/1976 |
| 3937532 | Novel recirculating bearing Novel recirculating roller bearings for the longitudinally moveable mounting of an element on a planar bearing surface comprising a bearing body with at least one straight race section, a return section parallel to the said race section, two preferably se... | 02/10/1976 |
