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Your search returned 16 patents.
( 37/423 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 4128952 | Mechanical chain adjuster for scraper elevator chains
| November 14, 1977 |
| 4053997 | Scraper elevator with lower drive sprockets
| October 18, 1973 |
| 4037334 | Drive means for an elevating scraper elevator
| May 21, 1976 |
| 3990160 | Belt drive for scraper elevator device
| March 17, 1975 |
| 3983762 | Sprocket wheel for scraper elevator device
| March 17, 1975 |
| 3971147 | Torque-limited driving arrangement for scraper elevator
| March 31, 1975 |
| 3971146 | Reentrant driving arrangement for scraper elevator
| March 14, 1975 |
| 3951234 | Pin bearings
| January 30, 1975 |
| 3946619 | Scraper elevator power chain tensioning device
| December 9, 1974 |
| 3934361 | Idler construction for earth-moving elevator
| October 7, 1974 |
| 3930323 | Chain tensioning mechanism for scraper elevator device
| November 29, 1974 |
| 3916541 | Adjustable mechanism for a scraper elevator
| November 11, 1974 |
| 3900977 | Automatic adjustment of scraper elevator using control link coupled to draft frame
| September 23, 1974 |
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