Utility blade dispenser

• US 5,251,783 A
• Filed: 10/30/1992
• Issued: 10/12/1993
• Est. Priority Date: 10/30/1992
• Status: Expired due to Term

• Current Assignee: Allway Tools Incorporated (Linzer Products Corporation)
• Original Assignee: Allway Tools Incorporated (Linzer Products Corporation)
• Inventors: Gringer, Donald
• Primary Examiner(s): Bollinger, David H.
• Application Number:
  US07/969,045
• Time in Patent Office: 347 Days
• Field of Search: 221/102, 221/155, 221/244, 221/279, 221/303, 221/65, 206/355, 206/357, 206/359, 206/360, 206/354, 206/352
• US Class Current: 221/102
• CPC Class Codes: B65D 2209/00 Provisions for used articles
• CPC Class Codes: B65D 83/10 for dispensing razor-blades

Abstract

A utility blade dispenser for dispensing and disposing utility or razor type blades (5) is disclosed. A disposable transparent thermoplastic housing (1) shaped to correspond with the shape of the utility blade (5) to be dispensed is provided. The housing (1) is hinged to allow the blades (5) and a blade carrier (18) to be inserted in the housing (1) at the time of manufacture, and then be sonically welded. Dispensing (14) and guide (16) slots are provided to guide blades (5) from inside the housing (1) out through the dispensing slot (14). The blades (5) are supported in the housing (1) on a blade carrier (18) which is upward and downward moveable in the housing (1). The blade carrier (18) includes a support hole (21) for mounting the dispenser on a wall. The rear (6) of the housing (1) includes a track of ratcheting teeth (26) which engage a pawl member (28) on the rear of the blade carrier (18) to minimize movement between the housing (1) and carrier (18). As utility blades are used and the blade carrier (18) moved upward, a disposal chamber (30) is formed between the bottom of the blade carrier (18) and the bottom of the housing (12). A disposal slot (32) and an upward protrusion (34) on the housing bottom (12) allow used blades to be inserted into the disposal chamber (30), and prevent them from falling outward.

Claims

1. A blade dispenser for dispensing blades having a predetermined blade configuration comprising

a blade dispensing housing, said housing comprising a top wall, a bottom wall, a back wall extending between said top wall and said bottom wall, a front wall extending between said top and bottom walls and spaced from said back wall by a distance substantially corresponding to the width of said blade to be dispensed from said dispenser, and a pair of spaced apart side walls extending between said front and back walls and said top and bottom walls for defining an enclosed housing having a hollow interior substantially corresponding to said blade configuration, one of said side walls having a dispensing slot therein adjacent said top wall for dispensing said blades therefrom, said top wall having a guide slot in communication with said dispensing slot in said one side wall for guiding said blades out of said dispensing slot and

a substantially L-shaped blade carrier slidably mounted within said blade dispensing housing carrying said blades to be dispensed thereon, said blade carrier having a blade carrier platform extending between said back and front walls and an upstanding wall portion extending from said blade carrier platform, said top wall having a slot therein through which said upstanding wall portion extends for enabling said blade carrier to be lifted upwardly through said top wall slot for positioning one of said blades in a dispensing position adjacent said dispensing slot, said upstanding wall portion of said blade carrier comprising a first ratcheting member and said back wall comprising a second ratcheting member, said first and second ratcheting members engaging to form a ratchet for enabling said blade carrier to move upward and said housing to move downward with gravity to sequentially position said blades in a dispensing position adjacent said dispensing slot while preventing reverse movement of said blade carrier platform.

2. A blade dispenser in accordance with claim 1 wherein said ratchet member comprises a track of teeth substantially extending along said back wall between said top and bottom walls and a pawl member extending from said blade carrier platform.

3. A blade dispenser in accordance with claim 2 wherein said blade carrier platform comprises a pair of support ribs extending between said upstanding wall portion and said front wall for supporting said blades thereon and facilitating support of said blade carrier within said housing.

4. A blade dispenser in accordance with claim 3, wherein said blade configuration is substantially trapezoidal.

5. A blade dispenser in accordance with claim 2 wherein said blade configuration is substantially trapezoidal.

6. A blade dispenser in accordance with claim 1 wherein said ratchet members comprise a track of teeth substantially extending along said upstanding wall portion and a pawl member extending from said back wall.

7. A blade dispenser in accordance with claim 1 wherein said blade carrier platform comprises a pair of support ribs extending between said upstanding wall portion and said front wall for supporting said blades thereon and facilitating support of said blade carrier within said housing.

8. A blade dispenser in accordance with claim 1 wherein said blade configuration is substantially trapezoidal.

9. A blade dispenser in accordance with claim 1 wherein said housing is transparent.

10. A blade dispenser in accordance with claim 1 wherein said housing and said carrier are molded from plastic.

11. A blade dispenser in accordance with claim 1 wherein one of said side walls further comprises a used blade entry slot adjacent said bottom wall for enabling used blades to be placed in said housing therethrough and positioned below said blade carrier platform.

12. A blade dispenser in accordance with claim 11 wherein said bottom wall within said housing includes a protrusion extending between said front and back wall, said protrusion being disposed closer to said one wall containing said used blade entry slot than to said other wall for tipping said used blades in a direction away from said used blade entry slot for enabling said used blades to be retained within said housing interior, a used blade compartment being formed between said bottom wall and said blade carrier platform and increasing in size as said blades are dispensed.

13. A blade dispenser in accordance with claim 12 wherein said ratchet members comprise a track of teeth substantially extending along said back wall between said top and bottom walls and a pawl member extending from said blade carrier platform.

14. A blade dispenser in accordance with claim 12 wherein said housing is transparent.

15. A blade dispenser in accordance with claim 14 wherein said housing and said carrier are molded from plastic.

16. A blade dispenser in accordance with claim 11 wherein said ratchet members comprise a track of teeth substantially extending along said back wall between said top and bottom walls and a pawl member extending from said blade carrier platform.

17. A blade dispenser in accordance with claim 11 wherein said housing is transparent.

18. A blade dispenser in accordance with claim 17 wherein said housing and said carrier are molded from plastic.

19. A blade dispenser in accordance with claim 1 wherein one of said side walls is hinged to said back wall and the other of said side walls is sonically welded to said back wall for enabling said blades to be placed in said dispenser prior to said sonic welding of said other side wall to said back wall.

20. A blade dispenser in accordance with claim 1 further comprising a blade spacer disposed within said blade housing.