2266234-A is referenced by 4 patents and cites 3 patents.

A tilt mechanism (10) for an umbrella shaft comprises a forked part (13, 29) and a tongued part (14, 27) each with a spigot (15, 16) for securing in respective pole portions, a through pivot pin (17) and a locking sleeve (18) slidable between a locking position embracing both the fork and tongue, and a release position in which it allows pivoting. A corner (30) of the tongue is bevelled to allow pivoting to a 90 DEG position, and the sleeve has a notch (31) wider than the tongue whereby the sleeve (18) can be slid to and from alternative locking positions.

Title
Tiltable umbrellas
Application Number
GB19930007464 19930408
Publication Number
2266234 (A)
Application Date
April 8, 1993
Publication Date
October 27, 1993
Inventor
Oades Gordon Wilson
Assignee
Oades Gordon Wilson
GB
IPC
A45B 17/00
A45B 17/00
A45B 17/00
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