CA3127273C - Vehicle leveler with door interlock - Google Patents

Vehicle leveler with door interlock Download PDF

Info

Publication number
CA3127273C
CA3127273C CA3127273A CA3127273A CA3127273C CA 3127273 C CA3127273 C CA 3127273C CA 3127273 A CA3127273 A CA 3127273A CA 3127273 A CA3127273 A CA 3127273A CA 3127273 C CA3127273 C CA 3127273C
Authority
CA
Canada
Prior art keywords
vehicle
leveler
pair
photoelectric sensors
driveway
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.)
Active
Application number
CA3127273A
Other languages
English (en)
French (fr)
Other versions
CA3127273A1 (en
Inventor
Grant Leum
Eric Demerath
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.)
Leum Engineering Inc
Original Assignee
Leum Engineering 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 US17/026,642 external-priority patent/US11273998B2/en
Priority claimed from US17/174,301 external-priority patent/US11511954B2/en
Priority claimed from US17/322,889 external-priority patent/US11772915B2/en
Priority claimed from US17/340,670 external-priority patent/US12006170B2/en
Application filed by Leum Engineering Inc filed Critical Leum Engineering Inc
Publication of CA3127273A1 publication Critical patent/CA3127273A1/en
Application granted granted Critical
Publication of CA3127273C publication Critical patent/CA3127273C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Landscapes

  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
CA3127273A 2020-09-21 2021-08-09 Vehicle leveler with door interlock Active CA3127273C (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US17/026,642 2020-09-21
US17/026,642 US11273998B2 (en) 2019-04-05 2020-09-21 Vehicle leveler with safety features
US17/174,301 2021-02-11
US17/174,301 US11511954B2 (en) 2019-04-05 2021-02-11 Vehicle leveler with swing gate
US17/322,889 2021-05-17
US17/322,889 US11772915B2 (en) 2019-04-05 2021-05-17 Hydraulically-powered vehicle leveler
US17/340,670 2021-06-07
US17/340,670 US12006170B2 (en) 2019-04-05 2021-06-07 Vehicle leveler with door interlock

Publications (2)

Publication Number Publication Date
CA3127273A1 CA3127273A1 (en) 2022-03-21
CA3127273C true CA3127273C (en) 2023-10-03

Family

ID=80856176

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3127273A Active CA3127273C (en) 2020-09-21 2021-08-09 Vehicle leveler with door interlock

Country Status (2)

Country Link
CA (1) CA3127273C (es)
MX (1) MX2021010083A (es)

Also Published As

Publication number Publication date
CA3127273A1 (en) 2022-03-21
MX2021010083A (es) 2022-06-22

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