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Document Number
US Patent 4155498
Issued Date
May 22, 1979
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Inventors
Ewig; John F. (Worcester, MA)
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Abstract
Stapler having a vertically-adjustable cap for selecting a staple-driving force.
Drawing
Stapler - US Patent 4155498 Drawing
Drawing from US Patent 4155498
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Description:
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Number of Claims:
5
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Owner
Published
May 22, 1979
Application Number
05/844,540
Filed
October 25, 1977
US Classification
227/132  
Int'l Classification
B25C   5/00   (20060101)   B25C   5/10   (20060101)  
Examiner
Assistant Examiner
USPTO Field of Search
227/132  
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A stapler includes a housing having a hand grip portion constructed and arranged to be manually grasped by an operator, a staple drive track disposed in the housing, a staple feed track leading to the staple drive track configured to guide staples toward the drive track, and a staple driver mounted within the staple drive track, the staple driver configured to drive staples into a workpiece. The stapler further includes a guide pivotally mounted in a body portion of the housing. The guide has an elongated member receiving region. The guide is configured to pivot between a stored position in which the guide is disposed within the housing and a deployed position in which the guide extends out of the housing.

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7540400 - Stapler having a moveable strike plate with lockout mechanism - Owned by Staples The Office Superstore, LLC (Framingham, MA)

A stapler includes a body and a strike plate movably mounted to the body between a rest position and a loaded position. The strike plate is adapted to drive a staple into a target object. The strike plate may be moved from the rest position to the loaded position by a loading mechanism against the bias of a power spring, whereupon the energy stored in the power spring is applied to the strike plate to drive the staple. A stapler may include a lockout which inhibits movement of the strike plate toward the loaded position unless a work piece is beneath the stapler body.

Claims
Description
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