Tool having an improved light device

• US 6,033,082 A
• Filed: 08/31/1998
• Issued: 03/07/2000
• Est. Priority Date: 08/31/1998
• Status: Expired due to Fees

• Current Assignee: Ching Chou Lin
• Original Assignee: Ching Chou Lin
• Inventors: Lin, Ching Chou
• Primary Examiner(s): CARIASO, ALAN B
• Application Number:
  US09/143,940
• Time in Patent Office: 554 Days
• Field of Search: 362/109, 362/119, 362/120, 362/184, 362/194-196, 362/206
• US Class Current: 362/120
• CPC Class Codes: B25B 23/18 Devices for illuminating the head of the screw or the nut

Abstract

A tool includes a handle having a front chamber for receiving a holder and a barrel and having a rear chamber for receiving a casing to hold one or more batteries. Two conductors are secured to the holder and coupled to one or more light bulbs. The barrel has one or more holes for receiving thae light bulbs and has a drive stem extended outward of the handle. One or more pairs of conductors are further coupled to the batteries for engaging with the conductors of the holder when the casing is engaged into the handle and coupled to a switch for being operated by the switch.

Claims

1. A tool comprising:

a handle including a front chamber and a rear chamber and including a front portion and a rear portion,

a holder engaged in said front chamber of said handle,

a pair of first conductors secured to said holder and each including a contact disposed inward of said rear chamber of said handle,

at least one light bulb secured to said conductors,

a barrel secured in said front chamber of said handle and including at least one hole formed therein for receiving said at least one light bulb and for allowing a light generated by said at least one light bulb to emit outward of said barrel, said barrel including a drive stem extended forward therefrom and extended outward of said handle,

means for securing said holder and said barrel in said handle,

a casing engaged in said rear chamber of said handle and including a space formed therein,

at least one battery secured in said space of said casing,

at least one pair of second conductors secured in said casing and engaged with said at least one battery and each including a limb extended forward of said casing for engaging with said contacts of said first conductors respectively when said casing is engaged into said handle,

means for securing said casing in said handle, and

a switch including a pair of prongs electrically coupled to said limbs of said second conductors for actuating said at least one light bulb.

2. The tool according to claim 1, wherein said holder includes two channels formed therein for receiving said first conductors.

3. The tool according to claim 1, wherein said holder includes a pair of studs extended forward therefrom, said barrel includes two notches formed therein for receiving said studs of said holder and for preventing said holder from rotating relative to said barrel.

4. The tool according to claim 1, wherein said handle includes at least one slot formed in said front portion of said handle, said barrel includes at least one projection for slidably engaging in said at least one slot of said handle and for preventing said barrel from rotating relative to said handle.