Time-out indicator for pneumatic strapper

Details Time-out indicator for pneumatic strapper Time-out indicator for pneumatic strapper

B - Operations, Transporting

65

B

B65B 13/18 (2006.01) B29C 65/06 (2006.01) B65B 13/32 (2006.01) F15B 21/10 (2006.01)

Patent

CA 2453947

A time-out indicator is adapted for use in a pneumatic strapping tool for tensioning a strap around a load, adhering the strap onto itself, and cutting a feed end of the strap. The strapping tool has a cylinder housing, a piston disposed within a cylinder in the cylinder housing, a pneumatic weld motor operably connected to the piston, a vibrating weld element operably connected to the piston for contacting the strap and adhering the strap onto itself. A pneumatic module is mounted to the cylinder housing to provide compressed gas to the cylinder housing and the pneumatic weld motor. The time-out indicator includes a sleeve fitted into an opening in the module. The opening is disposed above and in communication with the cylinder. The sleeve defines a central, longitudinal opening. An indicator is biasedly mounted in the sleeve and disposed for contact with the piston. The indicator reciprocates between a retracted position and an extended position and indicates a cycle of the strapping tool as an in-cycle state in which the cylinder is under pressure, pressurizing the piston to urge the weld element into contact with the strap and a timed- out state in which the piston is not pressurized.

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