CA2315664A1 - Adjustable safety utility knife - Google Patents

Adjustable safety utility knife Download PDF

Info

Publication number
CA2315664A1
CA2315664A1 CA 2315664 CA2315664A CA2315664A1 CA 2315664 A1 CA2315664 A1 CA 2315664A1 CA 2315664 CA2315664 CA 2315664 CA 2315664 A CA2315664 A CA 2315664A CA 2315664 A1 CA2315664 A1 CA 2315664A1
Authority
CA
Canada
Prior art keywords
handle
elongated
carrier frame
utility knife
adjustable safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2315664
Other languages
French (fr)
Other versions
CA2315664C (en
Inventor
Zareh Khachatoorian
Jian Ping Qiu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JPJ Investment Holding Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/374,523 external-priority patent/US6357120B1/en
Priority claimed from US09/374,524 external-priority patent/US6330749B1/en
Priority claimed from US09/374,522 external-priority patent/US6502311B1/en
Application filed by Individual filed Critical Individual
Publication of CA2315664A1 publication Critical patent/CA2315664A1/en
Application granted granted Critical
Publication of CA2315664C publication Critical patent/CA2315664C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B5/00—Hand knives with one or more detachable blades
    • B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)

Abstract

An adjustable safety utility knife includes an elongated ergonomically shaped handle defining a front and back end, an intermediate portion, and top and bottom surfaces, defining an elongated cavity, the handle having a slot-like aperture at the front end and dimensioned for passage of a flat cutting blade therethrough. A guide element within the elongated cavity guides the cutting blade between a first storage position and a second extended working position. The handle has a rear opening for accessing the elongated internal cavity. The knife includes a carrier frame removably receivable within the internal cavity through the rear opening, the carrier frame having a blade cartridge receiving compartment for holding a blade cartridge for storing cutting blades. The carrier frame may include a rear wall that generally conforms with the outer surface of the handle and may be totally removable from the handle.
CA 2315664 1999-08-14 2000-08-14 Adjustable safety utility knife Expired - Fee Related CA2315664C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US09/374,523 US6357120B1 (en) 1999-08-14 1999-08-14 Front-loading adjustable safety utility knife with safety quick-release lock
US09/374,522 1999-08-14
US09/374,524 US6330749B1 (en) 1999-08-14 1999-08-14 Adjustable safety utility knife with easily removable blade holder
US09/374,524 1999-08-14
US09/374,523 1999-08-14
US09/374,522 US6502311B1 (en) 1999-08-14 1999-08-14 Adjustable safety utility knife with slip resistant elements

Publications (2)

Publication Number Publication Date
CA2315664A1 true CA2315664A1 (en) 2001-02-14
CA2315664C CA2315664C (en) 2007-10-02

Family

ID=27409194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2315664 Expired - Fee Related CA2315664C (en) 1999-08-14 2000-08-14 Adjustable safety utility knife

Country Status (3)

Country Link
EP (1) EP1077117A3 (en)
CA (1) CA2315664C (en)
MX (1) MXPA00007941A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107866825A (en) * 2016-09-23 2018-04-03 杭州巨星工具有限公司 A kind of replaceable blade utility knife with double blade

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6971178B2 (en) 2002-09-05 2005-12-06 The Stanley Works Replaceable blade knife
GB2393144A (en) * 2002-09-17 2004-03-24 Robert Mackean Agnew Methods of manufacturing extended area articles
US7131204B2 (en) * 2003-11-10 2006-11-07 Irwin Industrial Tool Company Utility knife with actuator for moving blade carrier and for releasing blade therefrom, and related method
DE102005040730B3 (en) * 2005-08-26 2006-12-21 Martor Kg Knife for cutting has operating surface of locking device surface-connected or set back relative to surrounding knife housing outline in locking position
US8201336B2 (en) * 2008-05-02 2012-06-19 Olympia Tools International, Inc. Retractable utility knife
USD624386S1 (en) 2009-02-12 2010-09-28 American Safety Razor Retractable blade knife
CN101704250B (en) * 2009-10-15 2011-12-28 杭州巨星科技股份有限公司 Manual knife convenient for blade replacement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577637A (en) * 1968-09-24 1971-05-04 Philip Morris Inc Retractable blade knife
US3708881A (en) * 1971-03-22 1973-01-09 R Bennett Multi position adjustable roofing knife
US5644843A (en) * 1995-10-30 1997-07-08 Young; Monte Easily loaded utility knife

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107866825A (en) * 2016-09-23 2018-04-03 杭州巨星工具有限公司 A kind of replaceable blade utility knife with double blade
CN107866825B (en) * 2016-09-23 2024-03-12 杭州巨星工具有限公司 Practical knife with double blades

Also Published As

Publication number Publication date
EP1077117A2 (en) 2001-02-21
EP1077117A3 (en) 2001-04-11
CA2315664C (en) 2007-10-02
MXPA00007941A (en) 2005-07-25

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed