A - Human Necessities – 47 – G
Patent
A - Human Necessities
47
G
47/18, 248/52
A47G 7/02 (2006.01) A47G 7/04 (2006.01) B65H 75/40 (2006.01) F16M 13/00 (2006.01) F21V 21/18 (2006.01)
Patent
CA 2021123
ABSTRACT A height adjustable device for suspending a planter comprises a locking member adapted to be mounted above the planter, a handle member and a cable attached at a first end thereof to the planter. The cable passes through the locking member and is wound around a reel biasedly mounted in the handle member with a second end of the cable being attached to the reel. The cable is partly wound around the reel. A disengageable brake is provided for the reel. The locking member comprises a pair of fixed wheels which guide the cable therethrough. The locking member further comprises a locking arm pivotally mounted therein and comprising a series of teeth. The locking arm is biased towards a first one of the wheels, whereby the cable can be secured between the locking arm and the first wheel. Tension provided in the cable by the handle member forces the locking arm away from the cable thereby releasing the same and allowing free movement thereof through the locking member and thus permitting the planter to be raised and lowered. To secure the cable between the teeth of the locking arm and the first wheel, a sudden slack is provided in the cable using the handle member in order to reduce the forces exerted by the cable on the locking arm in such a way that the locking arm is urged towards the wheel to imprison the cable therebetween. The disengageable brake allows the handle member to be positioned at various distances from the locking member by counterbalancing the forces of the biased reel provided in the handle member.
Gaube Guy
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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