US 5,704,669 AGranted

Portable tree swing system

AssigneeTree Play LLC

InventorL. Charles Clark

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Abstract

A hoist line placing device 20, a support cable assembly 50, and a method whereby the support cable assembly is remotely attached to and removed from an out-of-reach overhead object. The hoist line placing device comprises a rigid, elongated, telescopic, tubular pole 21 with a hoist line 30 coaxially threaded through it from bottom to top, and with the free end of the hoist line attached to a closable fastener 40. A supply of hoist line 30 is wound on a line storage device or spool 31 disposed at or near the bottom end of the tubular pole. The support cable assembly comprises a running loop collar 51 connected to the top end of a support cable 60, with a retrieval cable 70 also connected to the support cable at a predetermined position below the running loop collar. The method by which the support cable assembly is used comprises the following steps: (a) placing the hoist line over an overhead object; (b) attaching one end of the hoist line to the bottom end of the support cable; (c) hoisting the support cable over the overhead object until the running loop collar is disposed at eye level; (d) threading the hoist line through the running loop collar to form a running closed loop around the overhead object; and (e) tightening the running closed loop around the overhead object; and thereafter (f) removing the support cable assembly from the overhead object by pulling down on the retrieval cable until the running closed loop comes apart and the support cable assembly falls to the ground.

Claims18

Dependent claims

A method for remotely attaching a support cable assembly to an overhead object which is out of the reach of an adult human standing on the ground, and remotely removing said support cable assembly from said overhead object, comprising the steps of:

(a) placing a hoist line over said overhead object with a supply of said hoist line disposed on the ground on one side of said overhead object and the free end of said hoist line disposed on the ground on the opposite side of said overhead object;
(b) attaching said free end of said hoist line to the bottom end of a support cable of said support cable assembly, said support cable being disposed on the ground on said opposite side of said overhead object;
(c) pulling downward on said hoist line disposed on said one side of said overhead object to hoist said bottom end of said support cable upward on said opposite side of said overhead object, then across the top side of said overhead object, and finally downward on said one side of said overhead object until the top end of said support cable is hoisted upward on said opposite side of said overhead object and disposed conveniently at about the eye level of an adult human standing on the ground;
(d) threading said hoist line disposed on said one side of said overhead object through a running loop collar of said support cable assembly to form a running closed loop disposed around said overhead object, said running loop collar being adjoined to said top end of said support cable;
(e) pulling downward again on said hoist line disposed on said one side of said overhead object so that said running loop collar slides upward on said hoist line and onto said bottom end of said support cable and continues to slide upward on said support cable until said running closed loop closes tightly around said overhead object, thus completing the attachment of said support cable assembly to said overhead object;
and
(f) pulling downward on the lower end of a retrieval cable of said support cable assembly, the upper end of said retrieval cable being attached near to said top end of said support cable at a predetermined distance below the point where said running loop collar adjoins said support cable, thereby causing said running loop collar to slide downward on said support cable until said bottom end of said support cable slides out of said running loop collar, causing said running closed loop to come apart and allowing said support cable assembly to be pulled from said overhead support downward to the ground, thus completing the removal of said support cable assembly from said overhead object;
whereby a portable swing selected from a group consisting of portable swing seats and portable swinging amusement devices and articles of portable hanging furniture is quickly and easily attached to and removed from said overhead object by an adult human while standing on the ground.

5 more elements

A portable tree swing system comprising in combination:

a. a hoist line placing device adapted for remotely placing a hoist line over an overhead object which is out of the reach of an adult human standing on the ground, comprising:
(i) a rigid tubular pole of predetermined length sufficient to allow an adult human to position the top end of the tubular pole above said overhead object while grasping said tubular pole at its bottom end, said tubular pole having an inside diameter of predetermined size to allow said hoist line to feed coaxially through said tubular pole;
(ii) said hoist line of predetermined length and threaded coaxially through said tubular pole with a supply of said hoist line disposed at said bottom end of said tubular pole, the free end of said hoist line disposed at said top end of said tubular pole, and the length of said hoist line being freely feedable through said tubular pole;
and
(iii) a line feeding device connected to said hoist line for feeding said hoist line through said tubular pole so that said hoist line feeds continuously into said bottom end of said tubular pole and out of said top end of said tubular pole;
whereby an adult human standing on the ground can remotely place said hoist line over said overhead object for the purpose of releasably attaching a support cable assembly to said overhead object, and
b. a support cable assembly adapted for being remotely attached to and removed from an overhead object which is out of the reach of an adult human standing on the ground, comprising:
(i) a support cable of predetermined strength to carry a live load which is greater than or equal to the live load of a large adult human while swinging, and said support cable also of predetermined length so that, when its top end is attached to said overhead object, its bottom end is within the reach of an adult human standing on the ground;
(ii) a running loop collar adjoining the top end of said support cable, said running loop collar having a predetermined inside diameter such that said support cable is freely feedable therethrough, and said running loop collar also having an opening or slot of predetermined size in its annulus for the purpose of threading a hoist line thereinto at a point midway along the length of said hoist line;
and
(iii) a retrieval cable attached at its upper end to said support cable at a predetermined distance below the point where said running loop collar adjoins said support cable, said retrieval cable being of predetermined strength to carry a dead load which is less than or equal to the weight of an adult human, and said retrieval cable also being of predetermined length so that its lower end is within the reach of an adult human standing on the ground when said top end of said support cable is attached to said overhead object;
whereby a portable swing selected from a group consisting of portable swing seats and portable swingable amusement devices and articles of portable hanging furniture is suspended from said overhead object for the purpose of supporting the weight of a large adult human while swinging on said portable swing.

9 more elements

Dependencies are inferred from the claim text.