Plastic film dispensing apparatus capable of adjusting tension of the film
OwnerHarrison Huanginventor
Life of this patent
Estimating the term…
Abstract
A plastic film dispensing apparatus is constructed to includes a holder base, the holder base having a hollow body with a bottom opening and a top center through hole, a rotary member having a hollow cylindrical body sleeved onto the holder base and a circular top center coupling hole disposed in vertical alignment with the top center through hole of the holder base, an adjustment member pivoted to the holder base, and a rod member coupled to the adjustment member for axial movement relative to the holder base upon rotary motion of the adjustment member to stop the rotary member from rotary motion relative to the holder base or to let the rotary member be rotated with the roll of plastic film carried thereon relative to the holder base.
Claims9
A roll of plastic film dispensing apparatus comprising:
- a holder base, said holder base having a bottom opening and a top center through hole in two ends of a hollow body thereof;
- a rotary member supported on said holder base, said rotary member comprising a hollow cylindrical body defining a bottom opening and sleeved onto the hollow body of said holder base, a top center coupling hole disposed in vertical alignment with the top center through hole of said holder base, and a positioning flange supported on said holder base;
- an adjustment member pivoted to the hollow body of said holder base, said adjustment member comprising a screw hole disposed in axial alignment with the top center through hole of said holder base;
- and
- a rod member provided with a insertion section inserted through the top center through hole of said holder base and the top center coupling hole of said rotary member, a threaded section disposed at an end thereof and threaded into the screw hole of said adjustment member, and a press portion disposed at an opposite end thereof for axial movement with said rod member relative to said rotary member upon rotary motion of said adjustment member and being capable of contacting said rotary member.
Dependencies are inferred from the claim text.