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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 |
| 4636107 | Reformed in place resilient retention springs Secure and rapid assembly of magnets or other articles in tubular or other-shaped housings is achieved with bow type compression retainers which are made from reformable spring metal, and are initially formed shorter and higher than their ultimate working... | 01/13/1987 |
| 4368931 | Self aligning press in bearing structures Self-aligning press-in bearing structures in which a bearing and a receptacle are engaged to one another so as to permit the bearing axis to make a minor angular accommodation to conform to a shaft axis. The bearing and the receptacle have matching non-ci... | 01/18/1983 |
