Ladder stile extender
OwnerBarrie Weatherallinventor
Life of this patent
Estimating the term…
Abstract
A ladder stile extender comprises two elongated members (20, 25; 50, 53; 80, 85) one of which is slidable within the other and having means for securing one of the members (20; 50; 80) to a ladder stile and the other of the members (25; 53; 85) functioning as a stile extender or having means to secure it to a stile extension, a set of generally parallel irregularities (23, 24; 52, 59; 83, 84, 91, 90) associated with each of the members for interengagement with those on the other member, means (27, 29; 56, 57; 88, 89) for moving the two sets of irregularities into and out of engagement with each other, and locking means (29; 62; 92) to secure the members together with the sets of irregularities so engaged.
Claims12
A ladder stile extender comprising two elongated members one of which is slidable within the other and having means for securing one of said members to a ladder stile having an external surface and the other of the said members functioning as a stile extender or having means to secure it to a stile extension, a set of generally parallel irregularities associated with each of said members for interengagement, said ladder stile extender being characterised by means for moving the two sets of irregularities into and out of engagement with each other by relative pivoting of said two sets, wherein one said set of irregularities is fixed to one of said elongated members and the other said set of irregularities is pivotally attached to the other of said elongated members, and a spring biasing the said two sets of irregularities into engagement and locking means comprising a fastener extending transversely through said two sets of irregularities to secure said members together with said sets of irregularities so engaged, such that the two sets of irregularities cannot undergo relative pivoting.
Dependencies are inferred from the claim text.