Title:
DUAL-BLADE GRASS TRIMMER HEAD
Document Type and Number:
WIPO Patent Application WO/2023/151535
Kind Code:
A1
Abstract:
A dual-blade grass trimmer head, comprising a power mechanism (2), an upper blade driving mechanism (3) and a lower blade driving mechanism (4) which are installed in a casing (1); the power mechanism (2) is used for driving the upper blade driving mechanism (3) and the lower blade driving mechanism (4) to rotate, the upper blade driving mechanism (3) and the lower blade driving mechanism (4) having opposite rotation directions; and an upper blade (5) and a lower blade (6) are attached to each other. The device solves the problem of potential safety hazards possibly caused by a counter-acting force during a using process of a single-blade grass trimmer and thereby has reliability and safety.
Inventors:
PAN CHENJIE (CN)
PAN CHENCHENG (CN)
YU DAPENG (CN)
PAN CHENCHENG (CN)
YU DAPENG (CN)
Application Number:
PCT/CN2023/074631
Publication Date:
August 17, 2023
Filing Date:
February 06, 2023
Export Citation:
Assignee:
TIANCHANG CITY RENLONG MACHINERY CO LTD (CN)
International Classes:
A01D34/73; A01D34/63; A01D34/76
Foreign References:
| CN216982594U | 2022-07-19 | |||
| CN205596605U | 2016-09-28 | |||
| CN110915406A | 2020-03-27 | |||
| CN112514675A | 2021-03-19 | |||
| CN205694292U | 2016-11-23 | |||
| CN207099687U | 2018-03-16 | |||
| CN212487416U | 2021-02-09 | |||
| CN214430367U | 2021-10-22 | |||
| US20050076508A1 | 2005-04-14 | |||
| US4152882A | 1979-05-08 | |||
| US4364435A | 1982-12-21 | |||
| US5274987A | 1994-01-04 |
Attorney, Agent or Firm:
NANJING QIYANG INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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