Riser clamp and method of fabricating same

Details Riser clamp and method of fabricating same Riser clamp and method of fabricating same

1996-11-25

1998-03-17

Ramirez, Ramon O.

Supports

Brackets

Specially mounted or attached

248154, 2483166, A47B 9606

Patent

active

057277621

ABSTRACT:
A low-weight riser clamp has a pair of clamp members stamped from metal strips. Each metal strip is bent lengthwise to define an elongate base strip and a pair of opposing lengthwise flanges. The base strip is bent to define between the flanges a substantially semi-circular central arch, a pair of coplanar arms that extend laterally in opposite directions from the central arch, and a pair of tabs each extending laterally away from the arms. The arch and the flanges extend in the same general direction from the metal strip, and each tab is offset from its associated arm in an opposite general direction. Clearance holes are formed in the arms to pass bolts. When installed about a riser, the tabs of the clamp members abut one another to space the arms of the clamp horizontally. Thus, as the bolts are tightened, the butted tabs serving as fulcrums about which the arms deflect, permitting more reliable gripping of the riser. The configuration of the clamp permits a significant reduction of material costs without a significant increase in manufacturing costs.

REFERENCES:
patent: 3385545 (1968-05-01), Patton
patent: 3888354 (1975-06-01), Margolin et al.
patent: 5570880 (1996-11-01), Nordgran

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