Title:
NON-SHARPENING PENCIL WITH PRESSING TYPE BULLET-SHAPED PENCIL LEADS
Document Type and Number:
WIPO Patent Application WO/2016/019711
Kind Code:
A1
Abstract:
A non-sharpening pencil with pressing type bullet-shaped pencil leads comprises a pencil holder (6). An accommodating channel (4) capable of accommodating bullet-shaped pencil leads is formed in the pencil holder (6). A pressing piece (2) capable of driving the bullet-shaped pencil leads accommodated in the accommodating channel (4) to move axially along the pencil holder (6) is arranged at one end of the pencil holder (6). The pressing piece (2) is correspondingly provided with a reset spring (71). A clamping feed mechanism and a retraction prevention device are correspondingly arranged in the pencil holder (6). The pencil holder (6) further comprises a unidirectional lead feed channel (21) used for allowing replacing bullet-shaped pencil leads to enter the pencil holder (6). The inlet end of the unidirectional lead feed channel (21) is formed in the pressing piece (2), and the outlet end of the unidirectional lead feed channel (21) is communicated with the accommodating channel (4). A necking-down assembly that can be radially enlarged under strong force is arranged in the unidirectional lead feed channel (21). The diameter of the hole defined by the necking-down assembly is smaller than that of the tail end of each bullet-shaped pencil lead.
Inventors:
HAN AIGUO (CN)
ZHENG GENYOU (CN)
GUO LIGENG (CN)
ZHENG GENYOU (CN)
GUO LIGENG (CN)
Application Number:
PCT/CN2015/071678
Publication Date:
February 11, 2016
Filing Date:
January 28, 2015
Export Citation:
Assignee:
WENZHOU TIANJIAO PEN IND CO LTD (CN)
International Classes:
B43K21/02; B43K24/04
Foreign References:
| CN104228403A | 2014-12-24 | |||
| CN104129202A | 2014-11-05 | |||
| CN203995239U | 2014-12-10 | |||
| CN101585280A | 2009-11-25 | |||
| CN2051565U | 1990-01-24 | |||
| GB2030521B | 1982-04-21 | |||
| US5221151A | 1993-06-22 | |||
| CN2264663Y | 1997-10-15 | |||
| CN101879827A | 2010-11-10 | |||
| US5292202A | 1994-03-08 |
Attorney, Agent or Firm:
WENZHOU OUYUE PATENT AGENTS CO., LTD (CN)
温州瓯越专利代理有限公司 (CN)
温州瓯越专利代理有限公司 (CN)
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