CA2325281A1 - Drivers for screws carrying washers - Google Patents

Drivers for screws carrying washers Download PDF

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Publication number
CA2325281A1
CA2325281A1 CA002325281A CA2325281A CA2325281A1 CA 2325281 A1 CA2325281 A1 CA 2325281A1 CA 002325281 A CA002325281 A CA 002325281A CA 2325281 A CA2325281 A CA 2325281A CA 2325281 A1 CA2325281 A1 CA 2325281A1
Authority
CA
Canada
Prior art keywords
fastener
guideway
axially
washer
drivers
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
CA002325281A
Other languages
French (fr)
Other versions
CA2325281C (en
Inventor
G. Lyle Habermehl
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.)
Simpson Strong Tie Co Inc
Original Assignee
G. Lyle Habermehl
Simpson Strong-Tie Company, Inc.
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
Application filed by G. Lyle Habermehl, Simpson Strong-Tie Company, Inc. filed Critical G. Lyle Habermehl
Priority claimed from CA002189026A external-priority patent/CA2189026C/en
Publication of CA2325281A1 publication Critical patent/CA2325281A1/en
Application granted granted Critical
Publication of CA2325281C publication Critical patent/CA2325281C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

A screwdriver assembly to drive a threaded fastener carrying a washer thereon spaced axially from a head of the fastener towards a tip of the fastener. The screwdriver assembly comprises a guideway to receive a fastener coaxially therein, a washer abutment surface disposed about the guideway to engage a washer carried on a fastener received in the guideway to assist in axially locating the fastener coaxially within the guideway and an elongate rotatable driver shaft having at a forward end a bit member. The driver shaft is reciprocally movable axially in the guideway to engage the fastener with the bit member and drive the fastener axially forwardly from the guideway into a workpiece.
CA002325281A 1994-04-28 1995-04-27 Drivers for screws carrying washers Expired - Lifetime CA2325281C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23390994A 1994-04-28 1994-04-28
US08/233,909 1994-04-28
CA002189026A CA2189026C (en) 1994-04-28 1995-04-27 Exit locating collated screw strips and screwdrivers therefore

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002189026A Division CA2189026C (en) 1994-04-28 1995-04-27 Exit locating collated screw strips and screwdrivers therefore

Publications (2)

Publication Number Publication Date
CA2325281A1 true CA2325281A1 (en) 1995-11-09
CA2325281C CA2325281C (en) 2005-02-08

Family

ID=25678776

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002325281A Expired - Lifetime CA2325281C (en) 1994-04-28 1995-04-27 Drivers for screws carrying washers

Country Status (1)

Country Link
CA (1) CA2325281C (en)

Also Published As

Publication number Publication date
CA2325281C (en) 2005-02-08

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20150427