CA1059011A - Full position safety brake for portable chain saw - Google Patents

Full position safety brake for portable chain saw

Info

Publication number
CA1059011A
CA1059011A CA274,015A CA274015A CA1059011A CA 1059011 A CA1059011 A CA 1059011A CA 274015 A CA274015 A CA 274015A CA 1059011 A CA1059011 A CA 1059011A
Authority
CA
Canada
Prior art keywords
safety bar
housing
arm
detent
chain saw
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.)
Expired
Application number
CA274,015A
Other languages
English (en)
French (fr)
Inventor
Sidney Hirschkoff
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.)
Black and Decker Inc
Original Assignee
Black and Decker 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
Priority claimed from US05/678,169 external-priority patent/US4059895A/en
Application filed by Black and Decker Inc filed Critical Black and Decker Inc
Application granted granted Critical
Publication of CA1059011A publication Critical patent/CA1059011A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • F16D49/08—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/08—Drives or gearings; Devices for swivelling or tilting the chain saw
    • B27B17/083—Devices for arresting movement of the saw chain
CA274,015A 1976-04-19 1977-03-15 Full position safety brake for portable chain saw Expired CA1059011A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/678,169 US4059895A (en) 1974-10-15 1976-04-19 Full position safety brake for portable chain saw

Publications (1)

Publication Number Publication Date
CA1059011A true CA1059011A (en) 1979-07-24

Family

ID=24721681

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274,015A Expired CA1059011A (en) 1976-04-19 1977-03-15 Full position safety brake for portable chain saw

Country Status (3)

Country Link
CA (1) CA1059011A (sv)
DE (1) DE2716448A1 (sv)
SE (1) SE434135C (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8300200L (sv) * 1982-01-18 1983-07-19 Sachs Dolmar Gmbh Bromsanordning for bromsning av sagkedjan vid en berbar motorsagskedja
SE459240B (sv) * 1982-05-10 1989-06-19 Mcculloch Corp Bromssystem foer kedjesaagar
DE3607376A1 (de) * 1986-03-06 1987-09-10 Metabowerke Kg Tragbare motorkettensaege mit einer reibungsbremse zum abbremsen der saegekette
DE4120875C2 (de) * 1991-06-21 2000-06-08 Stihl Maschf Andreas Motorkettensäge mit im Kettenraddeckel integrierter Bremsvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934345A (en) * 1974-10-15 1976-01-27 Mcculloch Corporation Snap-acting over-center chain saw safety brake and method of operation thereof
US3964333A (en) * 1974-10-15 1976-06-22 Mcculloch Corporation Safety braking mechanism for a portable chain saw

Also Published As

Publication number Publication date
DE2716448A1 (de) 1977-10-27
SE434135B (sv) 1984-07-09
DE2716448C2 (sv) 1987-03-05
SE7704421L (sv) 1977-10-20
SE434135C (sv) 1989-03-01

Similar Documents

Publication Publication Date Title
US4059895A (en) Full position safety brake for portable chain saw
US4683660A (en) Chain saw having a braking arrangement
US4197640A (en) Safety braking apparatus for portable chain saw
US4428180A (en) Lawn mower and controls therefor
JP3822333B2 (ja) 動力作業機用ハンドル装置
US4594780A (en) Brake arrangement for a chain saw
US5358062A (en) Portable handheld drilling apparatus
CA1170548A (en) Power tool with improved braking device
JPH08300302A (ja) チェーン制動装置を備えた動力チェーンソー
JP2889433B2 (ja) 制動装置をスプロケットカバーに統合したチェーンソー
US5211072A (en) Variable ratio park brake with slack adjust
US3991469A (en) Safety braking mechanism for a portable chain saw
CA1074670A (en) Safety brake mechanism for chain saws
CA1059011A (en) Full position safety brake for portable chain saw
US4573543A (en) Double-safety arrangement for a self-propelled hand-guided machine
US4553326A (en) Chain saw braking system
US3964333A (en) Safety braking mechanism for a portable chain saw
JPH031221Y2 (sv)
CA1052237A (en) Power saw
GB1485093A (en) Vehicle parking brake control
US3937306A (en) Automatic brake actuator for a chain saw
JPH03120001A (ja) 作業機の動力駆動作業工具を停止させるためのブレーキ装置を操作する装置
JPH0251050B2 (sv)
US4302879A (en) Safety braking apparatus for portable chain saw
CA2151643A1 (en) Cutting device