Column protector deterring unauthorized climbing access by human

Details Column protector deterring unauthorized climbing access by human Column protector deterring unauthorized climbing access by human

1997-04-11

1998-07-21

Canfield, Robert

Static structures (e.g., buildings)

Animal blocking lateral projection, trap, or scarer

527375, 527364, 52517, 47 24, E04B 172

Patent

active

057820414

ABSTRACT:
A guard (12) for a column (10) includes a flexible metal sheet (14) having a plurality of individual barblike means (20) extending outwardly from a common major sheet surface with each barblike means (20) having four sidewall points (28) extending in respectively different directions. The guard (12) is installed on a column by wrapping around the column (10) and secured thereto by a metal strip (30) clamped about the guard.

REFERENCES:
patent: 420654 (1890-02-01), Hayes
patent: 420655 (1890-02-01), Hayes
patent: 420656 (1890-02-01), Hayes
patent: 420660 (1890-02-01), Hayes
patent: 427988 (1890-02-01), Hayes
patent: 727054 (1903-05-01), Arndt
patent: 1101145 (1914-06-01), Poenicke
patent: 1512618 (1924-10-01), McDonald
patent: 4404778 (1983-09-01), Ushimaru
patent: 5596834 (1997-01-01), Ritter

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