Wireworking – Implements – Stretchers
Patent
1978-08-21
1980-03-11
Larson, Lowell A.
Wireworking
Implements
Stretchers
140 932, B21F 902
Patent
active
041923588
ABSTRACT:
An improved tool for the installation of objects such as cable tie fasteners, including a device for penumatically powering the tool's operation. An air cylinder appended to the tool contains a piston and rod assembly which is coupled to machinery within the tool for tensioning and severing the object to be installed. The piston and rod assembly is actuated by the movement of a valve within the cylinder, which valve is in turn linked to the tool's trigger. Piston and valve springs restore the piston and rod assembly and the valve to their original positions upon release of the trigger.
REFERENCES:
patent: 3254680 (1966-06-01), Caveney et al.
patent: 3865156 (1975-02-01), Moody et al.
patent: 4047545 (1977-09-01), Paradis
Dennison Manufacturing Company
Kersey George E.
Larson Lowell A.
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