Binder for loose-leaf notebook
OwnerYu Chia Lininventor
Life of this patent
Estimating the term…
Abstract
Disclosed is a binder for loose-leaf notebook mainly including a hollow middle connector having two side axes and a label recess formed at a ridge portion thereof, two loose covers, two pivotal connectors having axis grooves and loose cover grooves to respectively engage with the side axes of the middle connector and two inner edges of two loose covers, two end insertions inserted into two end openings of the hollow middle connector, and two closing members disposed between the two loose covers. The binder can be easily produced and assembled to form a loose-leaf notebook while the loose covers thereof can be locked up.
Claims14
A binder for loose-leaf notebook, comprising a middle connector, two pivotal connectors, two loose covers, and two end insertions;
- said middle connector being a hollow body defining a hollow portion having two end openings for receiving said two end insertions therein, said middle connector further having two side axes projecting from each longitudinal side thereof, forming two clearances between said side axes and said hollow portion;
- said pivotal connectors each including a curvy loose cover groove for receiving an inner edge of said loose cover therein and an axis groove behind said curvy loose cover groove for receiving said side axis of said middle connector therein;
- said loose covers each having an curvy inner edge for detachably receiving in said loose cover groove of said pivotal connector;
- said end insertions each having an insertion portion for inserting into said end opening of said hollow portion of said middle connector and a head portion for stopping said pivotal connector from slipping off and disengaging from said middle connector and said loose cover from said pivotal connector.
Dependencies are inferred from the claim text.