Playground equipment with wooden timbers having internal fastene

Details Playground equipment with wooden timbers having internal fastene Playground equipment with wooden timbers having internal fastene

1982-07-14

1984-05-08

Apley, Richard J.

Undertaking

411377, 411903, 411911, A63B 900, F16B 2300

Patent

active

044470550

ABSTRACT:
Playground equipment having wooden timbers includes a plastic fastener with a metal threaded core flushly mounted in the wooden timbers for interconnecting the wooden timbers to associated members of the playground unit. The plastic fastener has one-way tightening means and actuates the metal core by locking engagement with the metal core, thereby preventing disassembly of the playground equipment.

REFERENCES:
patent: 1298308 (1919-03-01), Dodds
patent: 2659952 (1953-11-01), Schlueter
patent: 3134290 (1964-05-01), Jentoft
patent: 3969871 (1976-07-01), Ewers

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