A lifting mast of an industrial truck includes two vertical rails at a distance from each other that are connected with one another by two cross members, wherein the lifting mast, to raise and lower a lifting carriage on the vertical rails, is provided with a lifting cylinder device which is supported on the bottom cross member, wherein the lifting cylinder device is in an operational connection with a lifting arrangement that is fastened with a first end to the lifting carriage, is fastened with a second end to the lifting mast, and is reversed on the lifting cylinder device. The second end of the lifting arrangement is fastened to the bottom cross member, or the lifting arrangement is fastened with the second end to the additional cross member, wherein at least one traction device that transmits a tractive force connects the additional cross member with the bottom cross member.

Claims

15 · 2 independent · depth 3

15 granted claims

›1.independentA lifting mast of an industrial truck comprises: two vertical rails at a lateral distance from each other that are connected with one another by at le…+13

›2.↳ 1The lifting mast as recited in claim 1 , wherein a fastening point of the lifting arrangement on the additional cross member and a fastening point of …d2

›3.↳ 1The lifting mast as recited in claim 1 , wherein a contact surface of the lifting cylinder device is located on a side of the bottom cross member faci…d2

›4.↳ 1The lifting mast as recited in claim 1 , wherein the at least one traction device that transmits a tractive force is located between the vertical rail…d2

›5.↳ 1The lifting mast as recited in claim 1 , wherein the at least one traction device that transmits a tractive force is in the form of a cable, a belt or…d2

›6.↳ 1The lifting mast as recited in claim 1 , wherein the at least one traction devices that transmits a tractive force is a preformed metal section.d2+1

›8.↳ 1The lifting mast as recited in claim 1 , wherein the at least one traction device that transmits a tractive force is connected with the bottom cross m…d2

›9.↳ 1The lifting mast as recited in claim 1 , wherein the at least one traction device that transmits a tractive force is connected with the bottom cross m…d2+1

›11.↳ 1The lifting mast as recited in claim 1 , wherein the lifting cylinder device is fastened to the additional cross member.d2

›12.↳ 1The lifting mast as recited in claim 1 , wherein the lifting cylinder device is located between the vertical rails.d2

›13.↳ 1The lifting mast as recited in claim 1 , wherein the additional cross member is X-shaped.d2

›14.↳ 1The lifting mast as recited in claim 1 , wherein the lifting arrangement is a lifting chain, a lifting belt, or lifting cable.d2

›15.independentA lifting mast of an industrial truck comprises: two vertical rails at a lateral distance from each other that are connected with one another by at le…

Classifications

2 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B66F9/08
B66F9/22

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File wrapper

Pendency

2.7 y

999 days filing → grant

Office actions

non-final + final

Responses

no RCE

Examiner

Diem M Tran

art unit 3654 · TC 3600

Law firm

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Citations: 7 back · 0 forward

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20170129755 A1	11 May 2017

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