CA1102288A - Traduction non-disponible - Google Patents

Traduction non-disponible

Info

Publication number
CA1102288A
CA1102288A CA314,042A CA314042A CA1102288A CA 1102288 A CA1102288 A CA 1102288A CA 314042 A CA314042 A CA 314042A CA 1102288 A CA1102288 A CA 1102288A
Authority
CA
Canada
Prior art keywords
clamping
wedge plate
bracket
arm
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.)
Expired
Application number
CA314,042A
Other languages
English (en)
Inventor
Robert P. Sweet
Daniel L. Stember
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.)
DB Industries LLC
Original Assignee
DB Industries LLC
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 US05/854,152 external-priority patent/US4193475A/en
Application filed by DB Industries LLC filed Critical DB Industries LLC
Application granted granted Critical
Publication of CA1102288A publication Critical patent/CA1102288A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
CA314,042A 1977-11-23 1978-10-24 Traduction non-disponible Expired CA1102288A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/854,152 US4193475A (en) 1974-05-09 1977-11-23 Rigid rail safety device
US854,152 1977-11-23

Publications (1)

Publication Number Publication Date
CA1102288A true CA1102288A (fr) 1981-06-02

Family

ID=25317870

Family Applications (1)

Application Number Title Priority Date Filing Date
CA314,042A Expired CA1102288A (fr) 1977-11-23 1978-10-24 Traduction non-disponible

Country Status (1)

Country Link
CA (1) CA1102288A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020178549A1 (fr) * 2019-03-04 2020-09-10 Atkinson Arthur Gordon Système anti-chute amélioré pour une personne montant sur une échelle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020178549A1 (fr) * 2019-03-04 2020-09-10 Atkinson Arthur Gordon Système anti-chute amélioré pour une personne montant sur une échelle

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Legal Events

Date Code Title Description
MKEX Expiry