Hold-down clamp

Details Hold-down clamp Hold-down clamp

1987-11-30

1989-01-17

Friedman, Carl D.

Static structures (e.g., buildings)

Specified wear or friction-type traffic-carrying surface

52507, 403387, 248228, B44D 508

Patent

active

047980290

ABSTRACT:
An improved hold-down clamp (14) is disclosed for fastening a non-metallic grate (10), preferably formed of fiberglass, to a structural member (12). The clamp (14) includes a restraining clip (20) which prevents spreading of adjacent beams of the grate, and a hold-down clamp (46) which bears on the inner portion of the base of each beam. A threaded fastener (50) urges the hold-down clamp (46) toward the structural member (12), thereby forcing the bases of the beams into engagement with the structural member to clamp the grate to the structural member.

REFERENCES:
patent: 2572432 (1951-10-01), Bates
patent: 3230931 (1966-01-01), Taylor et al.
patent: 3367078 (1968-02-01), Thompson, Jr.
patent: 3466829 (1969-09-01), Robicheaux
patent: 3742671 (1973-07-01), Ellis
patent: 4180343 (1974-12-01), Finlay
patent: 4362422 (1982-12-01), Zinkann et al.
patent: 4408928 (1983-10-01), Steinke
patent: 4730424 (1988-03-01), Green et al.

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