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US 4,375,296 AGranted
Clipboard
OwnerShih H. Changinventor
Life of this patent
Estimating the term…
Abstract
A clipboard comprises a backing board, a clip mount attached to one end of the backing board, and a clip pivoted at the clip mount. The clip mount has an elevated portion indented with two spaced grooves each receiving an insert. These two inserts receive two coil springs which are sleeved and secured on both ends of the clip. Two holes are bored through the clip mount and backing board near the sideward free ends of the grooves. The free end of the coil spring extends through the hole and is stopped on the rear side of the backing board.
Claims5
A clipboard, comprising:
- a backing board;
- at least two inserts;
- a clip mount attached to one end of said backing board, said clip mount having an elevated portion and two grooves, said grooves located on each side of said elevated portion and said inserts being inserted in said grooves;
- a clip
- said clip mount and said backing board having two sets of adjacent openings therethrough;
- two coil springs extending through said openings and being stopped at the rear side of said backing board, said clip being telescopically received in and attached to said springs and each of said springs being telescopically received in one of said inserts.
3 more elements
Dependencies are inferred from the claim text.