Expansible piton

Details Expansible piton Expansible piton

1986-08-05

1987-12-29

Britts, Ramon S.

Supports

Pipe or cable

Extending through plate

248200, 2482319, A62B 2908

Patent

active

047155680

ABSTRACT:
A wedge plate has a substantially planar, rock-engaging surface and a friction surface converging with the rock-engaging surface at a non-overhauling angle to define a thick end portion of the wedge plate. A flexible tube or frame is secured to the thick end portion of the wedge plate and extends away therefrom. A body has a surface one portion of which is engageable with a rock surface and the other portion of which slidably engages the friction surface of the wedge plate. A flexible wire extends through or alongside the flexible tube or frame. The wire and tube or frame are severally connected to the wedge plate and to the body. Individual hand grips on the tube or frame and wire permit manual sliding of the wire in the tube or frame and corresponding sliding of the body and the wedge plate. A spring opposes such sliding in one direction. A climbing line connection is joined to the wire.

REFERENCES:
patent: 3903785 (1975-09-01), Pepper, Jr.
patent: 4572464 (1986-02-01), Phillips

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