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Patent No. 5926874

Automatic Bed Maker

An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.

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Class 92/69A - One piston rod passes through opposite piston rod


Subclass of Class 92 - Expansible chamber devices
No. of patents: 2
Last issue date: 01/10/1989


NumberTitleIssue Date
4796514Rotary/linear convertor
A rotary/linear convertor which comprises a first member may be in the form of a piston (14, 15, 16, 17, 114, 115, 116, 117) and a guide which is preferably in the form of a cylinder (12, 112) the first member being arranged for linear movement within or ...
01/10/1989
4370917Piston-rack rotary actuator
A piston-rack rotary actuator having four pistons each with an integral rack and each displaceable along a cylinder unique thereto, the racks meshing with a center gear at equiangularly spaced points and causing angular movements of a shaft about its rota...
02/01/1983
 
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