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Class 217/46 - Horizontal and vertical pivot


Subclass of Class 217 - Wooden receptacles
Definition: Knockdown crates whose walls have a hinged connection with
No. of patents: 3
Last issue date: 01/17/1984


NumberTitleIssue Date
4425741Collapsible structure
A structure that is collapsible from a volume-enclosing, expanded position to a position wherein the walls and roof are disposed in a horizontally extending stack of generally vertically disposed members. The roof is pivotally mounted to an upper portion ...
01/17/1984
4122638Folding structures considered to be primarily useful for play purposes
Folding structures useful for a variety of different utilitarian and play purposes can be constructed so as to utilize a Sarrus linkage modified so as to include an overcenter toggle mechanism to reinforce the linkage against inadvertent or undesired fold...
10/31/1978
4112635Child's playhouse type collapsible structure
A child's playhouse, or the like, particularly designed and constructed for being folded into a compact storage position when not in use and readily expandable to a complete playhouse type structure when in use. The structure may be permanently mounted on...
09/12/1978
 
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