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    • 3. 发明专利
    • Sailboat mast raising and lowering device
    • AU2012100925A4
    • 2012-07-19
    • AU2012100925
    • 2012-06-20
    • JENKINS DAVID MR
    • JENKINS DAVID
    • B63H9/08
    • The disclosed mast raising and lowering device is comprised of a number of components being made from stainless steel, aluminium, polyurethane and other plastics. The system requires that the supported wheels are attached to the mast either by a slug in the sail track or a cord with parrell beads attached to it that encompasses the diameter of the mast and holds the wheels loosely to the mast. A block and tackle of a 4:1 minimum configuration can then be attached to the mast base and the other end to the trolley car and when the tail out of the block and tackle is pulled the wheels descend along the mast and the fact that the pivot bar pivots towards the mast in so doing, the mast is raised, eventually to about 45 degrees at this point air is pumped into the base of the unit to push the mast to the upright position, the fact that the device moves through the companionway opening is critical to the invention. Also the use of baby stays is critical as they keep the mast on the theoretical centreline of the boat. The device can also have an additional arm that supports the whole device and mast whilst stepping the mast prior to the raising procedure, this support arm pivots out of the way when raising the mast and can be positioned to support the mast whilst unstepping and subsequent trailering. Baby stays (Figure 4) should be used to restrain the mast from moving off the centre-line of the boat due to the trailer being a non-level surface. Drawings 2/4 Figure 2
    • 4. 发明专利
    • Ice bucket with inner sleeve
    • GB2444106A
    • 2008-05-28
    • GB0623133
    • 2006-11-21
    • JENKINS DAVID
    • JENKINS DAVID
    • A47G23/04
    • An ice bucket comprises a body 10 having an upstanding external wall 11 bounding an annular outer compartment 14. The ice bucket 10 further comprises a cylindrical inner compartment 15 separated from the outer compartment 14 by an apertured barrier means in the form of a sleeve 12. In use, the outer compartment 14 can be filled with ice, the sleeve 12 serving to hold back the ice from the inner compartment 15, such that a bottle can easily be inserted into the inner compartment 15. As the ice melts, the cold water flows through the apertures 18, Figure 2, in the sleeve 12 into contact with the bottle, thereby chilling it. The sleeve 12 may have a lid 18, Figure 1, with a raised centre to prevent ice entering the inner compartment 15 during filling. Spacer means in the form of resilient arcuate fingers 16 may extend from the sleeve 12 to contact the external wall 11.