US 11,717,928 B2
Adjustable sharpener
Louis Chalfant, Hot Springs, AR (US); and Ricky L. Dukes, Knoxville, TN (US)
Assigned to Smith's Consumer Products, Inc., Hot Springs, AR (US)
Filed by Smith's Consumer Products, Inc., Hot Springs, AR (US)
Filed on Jan. 12, 2022, as Appl. No. 17/573,925.
Application 17/573,925 is a continuation of application No. 16/058,188, filed on Aug. 8, 2018, granted, now 11,253,968.
Prior Publication US 2022/0134503 A1, May 5, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B24B 3/54 (2006.01); B24B 3/36 (2006.01); B24D 15/06 (2006.01); B24D 15/08 (2006.01)
CPC B24B 3/54 (2013.01) [B24B 3/36 (2013.01); B24D 15/06 (2013.01); B24D 15/08 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An adjustable sharpener comprising:
a body comprising a first sharpening slot and a second sharpening slot;
a first arm connected to a first abrasive element;
a second arm connected to a second abrasive element, wherein said first abrasive element and said second abrasive element are positioned in said first sharpening slot;
a third arm connected to a third abrasive element,
a fourth arm connected to a fourth abrasive element, wherein said third abrasive element and said fourth abrasive element are positioned in said second sharpening slot;
an adjuster configured for grasping by a hand of a user and slidable along an outer surface of said body; and
an adjustment assembly positioned inside said body and connected to said adjuster and said first arm and said third arm, wherein linear movement of said adjuster along said outer surface of said body causes rotational movement of said first arm about a first rotational axis and said third arm about a second rotational axis, wherein said first arm comprises a first elongated slot extending transverse to said first rotational axis, wherein said second arm comprises a first pin, wherein said first pin is received by said first elongated slot to connect said first arm to said second arm.