Mechanism for glue gun

Details Mechanism for glue gun Mechanism for glue gun

1983-01-14

1985-06-18

Skaggs, H. Grant

Advancing material of indeterminate length

By intermittent material-mover

Manual material-mover

226167, 74128, 741415, 74470, 222391, 2221465, B65H 1726

Patent

active

045237050

ABSTRACT:
A mechanism is described which employs a safety element for preventing the application of excessive force to a linkage. In several embodiments the safety device comprises a spring which allows relative movement between a trigger and the linkage. The safety device may, however, be a mechanical fuse.
The inventive safety device is embodied in a hot glue gun so that the safety device prevents the application of excessive force to the linkage which advances glue. Damage to the glue gun is thus avoided.
Also disclosed is a unique return spring for a mechanism such as the glue gripper of a glue gun. The return spring allows rotation of the gripping element to occur before linear movement of the glue stick.

REFERENCES:
patent: 2647412 (1953-08-01), Warmoes et al.
patent: 3377012 (1968-04-01), Cushman
patent: 3743142 (1973-07-01), Elliot et al.
patent: 3744921 (1973-07-01), Weller et al.
patent: 4053087 (1977-10-01), Lack et al.
patent: 4167245 (1979-09-01), Kock et al.
patent: 4378076 (1983-03-01), Stirnweiss

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