Invention Grant
- Patent Title: Fore and aft assembly of belt-type pumping unit
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Application No.: US17730001Application Date: 2022-04-26
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Publication No.: US12024952B2Publication Date: 2024-07-02
- Inventor: Cong Zhang
- Applicant: Derui Petroleum Equipment (Qingdao) Co., Ltd.
- Applicant Address: CN Qingdao
- Assignee: Deurui Petroleum Equipment (Qingdao) Co., Ltd.
- Current Assignee: Deurui Petroleum Equipment (Qingdao) Co., Ltd.
- Current Assignee Address: CN Qingdao
- Agency: Davis & Jack L.L.C.
- Agent Kenneth H. Jack
- Main IPC: E21B15/00
- IPC: E21B15/00

Abstract:
A belt pumping unit moving assembly incorporating a lower fixed base. The assembly further incorporates a rack gear fixedly attached to the lower fixed base. The assembly further incorporates an upper base overlying the lower fixed base wherein the belt pumping unit is fixedly attached to the upper base. The assembly further incorporates a motor and pinion gear combination wherein the motor is mounted upon the upper frame and the pinion gear is engageable with the rack gear. The assembly further incorporates a plurality of wheels or rollers mounted upon the upper base wherein, upon engagement of the pinion gear with the rack gear and upon actuation of the motor, the upper base and the belt pumping unit rollably move along the lower base.
Public/Granted literature
- US20220341266A1 Fore and Aft Assembly of Belt-Type Pumping Unit Public/Granted day:2022-10-27
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