Continuous feed mechanical pencil with push button lead feed actuator
US4702634A · kind A · utility
3Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1982 |
| Grant date | Oct 27, 1987 |
| Priority date | — |
| Expiry date | May 17, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB43K21/20
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A continuous feed mechanical pencil includes a lead cartridge having a lead advancing mechanism responsive to forward axial movement of an actuator button protruding from the rear end of the instrument, the actuator button being fixedly attached to a pocket clip and extending a relatively short distance from the rear of the instrument housing so that the rear end of the actuator is shrouded by the rear end of the housing when the actuator button is fully depressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.