Ring binder
AssigneeWorld Wide Stationary Company Limited
InventorHo Ping Cheng
Life of this patent
Estimating the term…
Abstract
A ring binder adapted to be secured to a base member, the ring binder comprising at least one securing member; a substantially rigid upper structure; a pivotable lower structure supported by the upper structure; a plurality of ring members mounted to the lower structure; and at least one engagement member engageable with the securing member closely adjacent to the base member to secure the ring binder to the base member; wherein the engagement member includes an engagement surface for engaging the securing member, the engagement surface comprising an upper surface of a partially open lower end of the engagement member, and the engagement member comprising a body which is narrower than the partially open lower end.
Claims12
A ring binder adapted to be secured to a base member, said ring binder comprising
- at least one securing member;
- a substantially rigid upper structure;
- a pivotable lower structure supported by said upper structure;
- a plurality of ring members mounted to said lower structure;
- and
- at least one engagement means engageable with said securing member closely adjacent to said base member to secure said ring binder to said base member;
- wherein the length of said engagement means is greater than the length of said securing member, and wherein said engagement means includes an engagement surface for engaging said securing member, said engagement surface comprising an upper surface of a partially open lower end of said engagement means, and said engagement means comprising a body which is narrower than said partially open lower end.
A ring binder adapted to be secured to a base member, said ring binder comprising
- at least one securing member at least partly penetrable into said base member to secure said ring binder to said base member;
- a substantially rigid upper structure having a recess, said recess having an upper surface and a lower surface;
- a pivotable lower structure supported by said upper structure;
- a plurality of ring members mounted to said lower structure;
- and
- at least one engagement means engageable with said securing member closely adjacent to said base member, said engagement means being deformable to engage said upper surface and said lower surface of said recess.
Dependencies are inferred from the claim text.