CA2029829A1 - Force matching tree shear - Google Patents

Force matching tree shear

Info

Publication number
CA2029829A1
CA2029829A1 CA 2029829 CA2029829A CA2029829A1 CA 2029829 A1 CA2029829 A1 CA 2029829A1 CA 2029829 CA2029829 CA 2029829 CA 2029829 A CA2029829 A CA 2029829A CA 2029829 A1 CA2029829 A1 CA 2029829A1
Authority
CA
Canada
Prior art keywords
matching tree
force matching
shear
tree shear
force
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 2029829
Other languages
French (fr)
Other versions
CA2029829C (en
Inventor
Douglas D. Hamilton
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.)
Quadco Equipment Inc
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
Application filed by Individual filed Critical Individual
Publication of CA2029829A1 publication Critical patent/CA2029829A1/en
Application granted granted Critical
Publication of CA2029829C publication Critical patent/CA2029829C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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Abstract

A tree shear where the shear blade is moved by a power mechanism that includes a link and lever so arranged that the force available matches approximately, the force required to pass the shear blade through the tree to sever the same.
CA 2029829 1989-12-08 1990-11-13 Force matching tree shear Expired - Lifetime CA2029829C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44758789A 1989-12-08 1989-12-08
US07/447,587 1989-12-08

Publications (2)

Publication Number Publication Date
CA2029829A1 true CA2029829A1 (en) 1991-06-09
CA2029829C CA2029829C (en) 1998-07-14

Family

ID=23776924

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2029829 Expired - Lifetime CA2029829C (en) 1989-12-08 1990-11-13 Force matching tree shear

Country Status (1)

Country Link
CA (1) CA2029829C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7634897B2 (en) 2005-11-16 2009-12-22 Les Equipments Prenbec Inc. Rotary cutting machine with replaceable cutting teeth
US7713006B2 (en) 2005-11-16 2010-05-11 Les Equipements Prenbec Inc. Reversible saw tooth
US9168599B2 (en) 2011-11-17 2015-10-27 Les Equipements Prenbec Inc. Saw disk with improved chip discharge
CN114406135A (en) * 2022-02-15 2022-04-29 常州超迪电器科技有限公司 Multi-shaft tungsten wire winding machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7634897B2 (en) 2005-11-16 2009-12-22 Les Equipments Prenbec Inc. Rotary cutting machine with replaceable cutting teeth
US7713006B2 (en) 2005-11-16 2010-05-11 Les Equipements Prenbec Inc. Reversible saw tooth
US7828026B2 (en) 2005-11-16 2010-11-09 Les Equipments Prenbec Inc. Rotary cutting machine with reversible teeth
US7913432B2 (en) 2005-11-16 2011-03-29 Les Equipements Prenbec Inc. Cutting tooth assembly with reversible tooth
US9168599B2 (en) 2011-11-17 2015-10-27 Les Equipements Prenbec Inc. Saw disk with improved chip discharge
CN114406135A (en) * 2022-02-15 2022-04-29 常州超迪电器科技有限公司 Multi-shaft tungsten wire winding machine

Also Published As

Publication number Publication date
CA2029829C (en) 1998-07-14

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry