Appliance for linear bodies

Details Appliance for linear bodies Appliance for linear bodies

1974-11-06

1976-05-25

Purser, Ernest R.

Static structures (e.g., buildings)

With exposed configuration having acoustical function

Absorbing material behind foraminous facing sheet

24 16PB, E04H 1722

Patent

active

039583791

ABSTRACT:
An improved, helix appliance for linear bodies has a locking means disposed at one end thereof to impede removal of the appliance from the linear body by unauthorized persons. The locking means includes a strap which encircles the appliance at the end adjacent to the dead end or other anchoring device. When the appliance is slid on the linear body over the dead end attached to the anchoring device, it expands and engages the encircling locking means thereby requiring tools to effect its removal.

REFERENCES:
patent: 711949 (1902-10-01), Dollison
patent: 1934872 (1933-11-01), Morgan
patent: 3009437 (1961-11-01), Hollinger
patent: 3057443 (1962-10-01), Schlein
patent: 3302346 (1967-02-01), Williams
patent: 3321924 (1967-05-01), Liddel
patent: 3466077 (1969-09-01), Moberg
patent: 3501814 (1970-03-01), Anderson
patent: 3742559 (1973-07-01), Panako

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