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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 4438854 | Railway coupler A railway coupler housing includes a bottom wall section with a thrower hole extending therethrough and spaced from a side wall diverging outwardly from the horn line at the knuckle side of the housing. The side wall continues vertically from the bottom w... | 03/27/1984 |
| 4398641 | Inversion protection for railroad car coupler A knuckle railway car coupler includes latching means for maintaining the coupler locked when the coupler is placed in an inverted position. The latching means includes a latching member connected to the lever of the rotary lock-lift assembly of the coupl... | 08/16/1983 |
| 4363414 | Type-E railroad car coupler head A railroad car coupler includes a Type-E coupler head which contains a vertical lock chamber. Disposed in the chamber is a lock which may be raised from a lower locking position to an intermediate lockset position. At lockset, a knuckle pivotally carried ... | 12/14/1982 |
