CH112814A - Mechanical pen. - Google Patents

Mechanical pen.

Info

Publication number: CH112814A
Authority: CH; Switzerland
Prior art keywords: mechanical pen; pen; mechanical
Prior art date: 1923-11-24

Application number

Other languages

German (de)

Inventor

Company The Wahl

Original Assignee

Wahl Co

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.)

1923-11-24

Filing date

1924-08-04

Publication date

1925-12-01

1924-08-04 Application filed by Wahl Co filed Critical Wahl Co

1925-12-01 Publication of CH112814A publication Critical patent/CH112814A/en

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/22—Writing-cores gripping means, e.g. chucks
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/003—Propelling pencils with lead sections or lead cartridges
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
- B43K21/085—Writing-core feeding mechanisms with the writing-cores fed by screws with a threaded propelling shank

CH112814D 1923-11-24 1924-08-04 Mechanical pen. CH112814A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US676703A US1606909A (en)	1923-11-24	1923-11-24	Mechanical pencil

Publications (1)

Publication Number	Publication Date
CH112814A true CH112814A (en)	1925-12-01

Family

ID=24715626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH112814D CH112814A (en)	1923-11-24	1924-08-04	Mechanical pen.

Country Status (5)

Country	Link
US (1)	US1606909A (en)
CH (1)	CH112814A (en)
DE (1)	DE426979C (en)
GB (1)	GB225170A (en)
NL (1)	NL17872C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2638074A (en) *	1948-09-03	1953-05-12	Joseph Dixon Crucible Co	Mechanical pencil with spiral feeding means
CH356372A (en) *	1956-12-24	1961-08-15	Staedtler Fa J S	Longitudinally slotted clamping pliers for pens
US4919556A (en) *	1988-01-15	1990-04-24	Pencell Co., Ltd.	Writing implement having simplified lead-feeding mechanism
US5791798A (en) *	1995-05-19	1998-08-11	Yu; Li Hua	Multi-purpose writing instrument
US5944435A (en) *	1997-11-03	1999-08-31	Chai; David Ching-Her	Mechanical pencil structure

0
- NL NL17872D patent/NL17872C/xx active
1923
- 1923-11-24 US US676703A patent/US1606909A/en not_active Expired - Lifetime
1924
- 1924-07-30 GB GB18180/24A patent/GB225170A/en not_active Expired
- 1924-08-04 CH CH112814D patent/CH112814A/en unknown
- 1924-08-08 DE DEW66787D patent/DE426979C/en not_active Expired

Also Published As

Publication number	Publication date
DE426979C (en)	1926-03-23
NL17872C (en)
GB225170A (en)	1925-03-12
US1606909A (en)	1926-11-16

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