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US 5,470,029 AGranted
Quick rewind chalk line reel
AssigneeJohnson Level & Tool Mfg. Co., Inc.
InventorJean G. Dufour
Life of this patent
Estimating the term…
Abstract
A line reel includes a housing, a spool rotatably mounted in the housing, a crank and crown gear assembly rotatably disposed in the housing and a pinion located in the housing in meshed engagement with the crank and crown assembly for rotation therewith. A release button movable into and out of meshed engagement with the spool is slidably mounted on the pinion and keyed thereto for rotation therewith. A spring is disposed between the pinion and the release button for selectively allowing locking and unlocking of the spool without movement of the crank and crown gear assembly.
Claims10
A line reel comprising;
- a housing having a top, a bottom and an aperture formed therein;
- a spool rotatably mounted in said housing and carrying a line extensible and retractable through said apertures;
- a crank and crown gear assembly rotatably disposed on said housing;
- a pinion disposed in said housing in meshed engagement with said crank and crown gear assembly for rotation therewith;
- a release button slidably mounted on said pinion and keyed thereto for rotation therewith, said release button being movable into and out of meshed engagement with said spool;
- and
- biasing means disposed between said pinion and said release button for selectively allowing locking and unlocking of said spool for rotation without movement of said crank and crown gear assembly.
4 more elements
Dependencies are inferred from the claim text.