Band clamp device

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

24/31.1

F16L 33/06 (2006.01) F16L 33/08 (2006.01)

Patent

CA 1121137

Abstract of the Disclosure A band clamp device of the invention employs a U-shaped housing (16) for the drive worm screw (14) usually formed by progressive stamping from sheet metal. The separate arms (32) of the U embrace the edges of the band (10) and the respective separate arm ends (34,36) extend beneath the band. The housing can have a single ear only (38 or 40 ) on one of the said separate arm ends extending through a slot in the band to connect the housing to the band. Usually the housing will have a single ear (38 or 40) at each end, and the single ear adjacent the screw head end (18) is provided on the said separate downside arm end (38), which is the arm end that receives the maximum force tending to spread the housing arms apart as the band is tightened about an object. It is found that such a structure is able to resist the forces tending to spread the housing arms and to separate the housing from the band, and it permits a wider ear to be used, or alternatively a narrower band for the same width ear. For greater strength the two immed- iately adjacent edges of the arm ends can be joined together e.g., by a welding operation.

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