Invention Grant
- Patent Title: Compact heavy duty hole punch
- Patent Title (中): 紧凑型重型打孔机
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Application No.: US11386338Application Date: 2006-03-22
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Publication No.: US07654183B2Publication Date: 2010-02-02
- Inventor: Joel S. Marks
- Applicant: Joel S. Marks
- Applicant Address: US CA Chatsworth
- Assignee: WorkTools, Inc.
- Current Assignee: WorkTools, Inc.
- Current Assignee Address: US CA Chatsworth
- Agency: Fulwider Patton LLP
- Agent Paul Y. Feng
- Main IPC: B26D5/08
- IPC: B26D5/08 ; B26D5/18 ; B26F1/14 ; B26B17/00

Abstract:
A compact hole punch device includes a generally vertical entry paper slot with an elongated handle hinged at one end of the punch device extending toward the opposite end of the device along side the paper slot. A chip chamber extends along the punch device opposite the slot from the handle. A roller cam mechanism concentrates forces in a small area of the device to provide a very compact, rigid action. An elongated chip tray is pivotably attached to the chip chamber including a lowered position where chips are easily emptied out an open distal end of the tray.
Public/Granted literature
- US20070199424A1 Compact heavy duty hole punch Public/Granted day:2007-08-30
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