Undertaking
Patent
1976-08-30
1978-09-26
Pinkham, Richard C.
Undertaking
272112, A63G 900
Patent
active
041164334
ABSTRACT:
Freely suspended climbing apparatus of gymnastic apparatus that can be utilized both indoors and outdoors. The gymnastic apparatus has three triangular shaped elements which are spaced from each other and each of three elements is mounted on three separate ropes. Each of the three triangular elements has three elongated members preferably having a square shaped cross section and made of wood. The members making up each of the triangular shaped elements are mounted so that one end of each of the members is in overlapping contact with only one of the two other members. The other end of each of the members is in underlapping contact with the other of the two members. Thus, each member has one end thereof which is free to move upwards along the rope threaded through an opening in that end. Each of the three ropes are knotted below the bottom-most member at the three juncture points of each of the three triangle shaped elements to prevent the three members making up each of the triangle shaped elements from dropping from its fixed position. The gymnastic apparatus can be used both for climbing and for providing a swinging sensation when the apparatus is suspended from a chain-type structure. Additionally, the gymnastic apparatus can be rotated like a "top" when it is rotatably suspended from a support member.
REFERENCES:
patent: 241098 (1976-08-01), Durfee et al.
patent: 312354 (1885-02-01), Ivester
patent: 544100 (1895-08-01), Hurst
patent: 2064826 (1936-12-01), Gabriel
patent: 2843379 (1958-07-01), Merritt
patent: 3342008 (1967-09-01), Frey
patent: 3695617 (1972-10-01), Mogilner et al.
Browne William R.
Pinkham Richard C.
Weiss Harry M.
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