US 7,604,195 B1Granted

Strapping head assembly for a wrapping machine

OwnerChien-Fa Laiinventor

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Abstract

A strapping head assembly has a central axle, a braking tube, a lower securing plate, a braking pad, an adjusting base, a biasing member, an adjusting nut, a strap-holding collar and an upper holding base. The braking tube is mounted rotatably around the central axle. The lower securing plate is mounted on the bottom of the braking tube. The braking pad is attached to the top of the braking tube. The adjusting base is adjustably mounted on the central axle and abuts with the braking pad. The biasing member is mounted around the central axle and abuts against the adjusting base. The adjusting nut is screwed with the central axle and abuts with the biasing member. The strap-holding collar is mounted around the central axle. The upper holding base is mounted around the central axle and has an abutting flange mounted over the strap-holding collar.

Claims20

Dependent claims

A strapping head assembly for a wrapping machine comprising:

a central axle having a top, a bottom and a thread formed on the top;
a braking tube mounted rotatably around the central axle and having a top and a bottom;
a lower securing plate mounted on the bottom of the braking tube;
a braking pad attached to the top of the braking tube and having a top;
an adjusting base adjustably mounted on the central axle and having a top and a bottom abutting with the top of the braking pad;
a biasing member mounted around the top of the central axle and having a top and a bottom abutting against the top of the adjusting base to provide a biasing force to the adjusting base;
an adjusting nut screwed with the thread on the top of the central axle and abutting with the top of the biasing member;
a strap-holding collar mounted around the top of the central axle;
and
an upper holding base mounted around the top of the central axle and having an abutting flange formed around and protruding from the upper holding base and mounted over the strap-holding collar.

7 more elements

Dependencies are inferred from the claim text.