Extender for holding accessories

Abstract

An extender for holding boating accessories including at least a first limb and a second limb engaged in elbow relationship such that one can be pivoted with respect to the other about a transverse axis. At least one of the limbs includes a swivel portion that is able to turn about a longitudinal axis. At least one locking part moves longitudinally along a respective one of the limbs between locked and unlocked positions. When the locking part is in the locked position, it prevents the swivel portion turning.

Claims

1. An extender for holding boating accessories, comprising: at least a first limb and a second limb engaged in elbow relationship such that one can be pivoted with respect to the other about a transverse axis; at least one of the limbs comprising a swivel portion that is able to turn about a longitudinal axis; and at least one locking part able to move longitudinally along a respective one of the limbs between locked and unlocked positions; the arrangement being such when the locking part is in the locked position it prevents the swivel portion turning and does not prevent pivoting of the one limb with respect to the other about the transverse axis.

2. An extender according to claim 1, wherein the locking part is in the form of a ring that can be moved forwards and backwards along the longitudinal axis.

3. An extender according to claim 2, wherein the ring has a series of internal extensions that are able to be moved into corresponding recesses of the swivel portion to prevent it from turning, and the ring can then be moved in an opposite direction to remove the extensions from the recesses to free the swivel portion for turning.

4. An extender according to claim 3, wherein one end of the extender has a star shaped connector suitable for engaging a star shaped recess of a supportive mount.

5. An extender according to claim 4, wherein one end of the extender has a star shaped recess suitable for receiving a star shaped connector of a boating accessory.

6. An extender according to claim 1, wherein there is a third limb engaged in an elbow relationship with one of the other limbs such that the third limb can pivot with respect to that other limb about a further transverse axis, the third limb also having a swivel portion that is able to turn about a longitudinal axis and also having a locking part able to move longitudinally between locked and unlocked positions; the arrangement being such when the locking part of the third limb is in the locked position it prevents the third limb's swivel portion turning but does not prevent pivoting of the third limb about the transverse axis mentioned for the third limb.

7. An extender according to claim 5, wherein there is one or more further limbs arranged in the same manner as the third limb.

8. An extender according to claim 1, wherein a first portion of the first limb is able to swivel with respect to a second portion of that limb, each portion having a series of circumferentially spaced recesses, the locking part comprises a ring with inwardly directed ribs, the ring being adjustable so that the ribs locate within the recesses of both the first and second portions to lock the limb against swivelling and the ring being adjustable so that the ribs engage the recesses of only one of the first and second portions to unlock the limb for swivelling.

9. An extender for holding boating accessories, comprising: a first limb; and a second limb engaged in an elbow relationship to the first limb such that the second limb pivots with respect to the first limb about a transverse axis, the second limb including: a swivel portion mounted to turn about a longitudinal axis; and a locking part moveable longitudinally along the second limb between locked and unlocked positions, wherein when the locking part is in the locked position, the locking part prevents the swivel portion from turning and does not prevent pivoting of one limb with respect to the other about the transverse axis.

10. An extender according to claim 9, wherein the locking part is in the form of a ring that can be moved forwards and backwards along the longitudinal axis.

11. An extender according to claim 10, wherein the ring has a series of internal extensions that are able to be moved into corresponding recesses of the swivel portion to prevent the ring from turning, and the ring can then be moved in an opposite direction to remove the extensions from the recesses to free the swivel portion for turning.

12. An extender according to claim 11, wherein one end of the extender has a star shaped connector suitable for engaging a star shaped recess of a supportive mount.

13. An extender according to claim 12, wherein one end of the extender has a star shaped recess suitable for receiving a star shaped connector of a boating accessory.

Description

DRAWINGS

(1) Some referred embodiments of the subject technology are described below with reference to the accompanying drawings, of which:

(2) FIG. 1 is an isometric view of an extender arm for boating accessories;

(3) FIG. 2 is an isometric view showing detail of one of the extender's limbs when partly assembled; and

(4) FIG. 3 is an isometric view showing further detail of the limb.

DETAILED DESCRIPTION

(5) Referring to FIG. 1 the extender has a lower limb 1, a middle limb 2 and an upper limb 3. The lower and middle limbs 1, 2 are able to adjustably pivot with respect to one another about a lower elbow joint A. Similarly the middle and upper limbs 2, 3 are able to adjustably pivot with respect to one another about an upper elbow joint B. The pivoting is in each case achieved by way of transverse bolts 4, 5 held in place by nuts 6, 7.

(6) Each limb is such that its upper portion can rotate with respect to its lower portion by way of a swivel joints. Each swivel joint comprises a longitudinally running bolt held in place by a nut. The bolt and nut for the middle limb 3 is indicated at 8. The axes of the swivel joints are indicated by the dotted lines 9, 10 and 11. When the extender is in the bent or generally z configuration shown in FIG. 1 the swivel axes point in different directions, but when it is straightened they will lay on the same line.

(7) The bottom of the lower limb 1 has a star shaped male connector 12 and the top of the upper limb 3 has a female connector 13. The male connector 12 is formed to lock into a complimentary star shaped recess of a boat mount, for example a Starport mount. The female connector 13 is also in the form of a star shaped recess for receiving a complimentary star shaped male connector of a boating accessory.

(8) Because the extender can fold about the two elbow joints A, 13, and because the upper portion of each limb can rotate at the swivel joints, boating accessory mounted on the upper limb can be set to a wide variety of positions.

(9) The elbow joints are stiff so that they will only move if subjected to deliberate significant hand force. They and can be tightened or loosened by the nuts 6, 7 as desired and if tightened sufficiently they remain set in place during normal use.

(10) The swivel joints are able to be locked and then unlocked to prevent and allow swivelling as desired. This is achieved by way of locking rings 14, 15 and 16 that can side longitudinally up and down. Each swivel joint incorporates a respective one of the rings. When a ring is in its most downward position the swivel joint is locked against rotation. But the ring is freed for rotation when it is in its most upward position. The ring can be moved back and forth by hand and clicks into place at each of the two positions. By moving the rings to the desired position any one or all of the swivel joints can be independently locked or made free.

(11) For ease of understanding FIG. 2 shows the swivel joint of the first limb 1 partly assembled. A lower portion of the limb has a circular perimeter that incorporates a series of equally spaced locking slots 17. And the interior of the ring 14 has a series of complimentary ribs 18. The locking ring 14 is fixed to the upper portion of the limb 1 and can be pushed downwards to engage the ribs 18 in some of the locking slots 17. This prevents the lower and upper portions of the limb 1 from rotating with respect to one another. Subsequent unlocking is achieved by moving the ring upwards to free the ribs 18 from the slots 17. The degree of rotation or angle adjustment depends on the number of locking slots 17. In preferred embodiments there are 32 slots to give 32 rotational locking positions for each limb, but this number is not essential.

(12) As shown in FIG. 2 the circumference of the upper portion of each limb has a series of equally spaced slots 19. These guide movement of the ring 14 in that its ribs 18 move upwards and downwards along those slots 19. When the ring is positioned so that its ribs 18 extend lay in the slots 17, 19 simultaneously then the swivel joint is locked.

(13) The curved double arrowhead lines 20, 21, 22 in FIG. 1 illustrate the direction in which each limb 1, 2 and 3 can turn. They can each turn through a full 360.

(14) While some preferred embodiments of the invention have been described by way of example, it should be understood that modifications and improvements and modifications can occur without departing from the scope of the following claims.