|4697606||Cranked patio umbrella featuring cranked tilt|
In an umbrella having a generally vertical two-part central shaft with a first fixed lower support post, and a second upper support post, which is pivotally attached to the upper end of the lower support post, an openable closeable umbrella cover carried ...
An apparatus for pivoting a support at a joint connected to sections of a support rod. The joint includes an upper member provided with a narrow lower end portion having teeth around a curved surface which engage a threaded portion of a shaft rotatably mo...
|4582078||Stepless direction-bending device of the central rod for the umbrella|
A stepless tilting mechanism for an umbrella includes a carriage slidable on a hinged upper portion of the mast and which is moved axially against a spring bias after the umbrella has been opened, in order to operate a linkage fast with the upper mast and...