IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0006235
(2001-12-10)
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발명자
/ 주소 |
- Chakraborty, Amalesh
- Ruthenberg, Raymond
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
8 |
초록
▼
A universal and precise stapling assembly is provided and includes (a) a moveable stapling head for driving staples at precise locations through an aligned set of sheets on any one of plural types of alignment apparatus; (b) a drive device coupled to the stapling head for moving the stapling head re
A universal and precise stapling assembly is provided and includes (a) a moveable stapling head for driving staples at precise locations through an aligned set of sheets on any one of plural types of alignment apparatus; (b) a drive device coupled to the stapling head for moving the stapling head relative to the any one of plural types of alignment apparatus and the aligned set of aligned sheets on the any one of the plural types of alignment apparatus; (c) sensors for sensing a position of the aligned set of sheets; and (d) a programmable controller connected to the drive device, to the sensors, and to the stapling head, and including calculating capability for precisely calculating a precise staple location responsively to a type of any one of the plural types of alignment apparatus and to the secured position of the aligned set of sheets, thereby reducing staple mislocation due to a tolerance stack up from components of the stapling head and components of any one of the plural types of alignment apparatus.
대표청구항
▼
1. A universal and precise stapling assembly comprising:(a.) a moveable stapling head for driving staples at precise locations through an aligned set of sheets on a given sheet alignment apparatus being one of a sheet-edge type alignment apparatus and a sheet-center type alignment apparatus;(b.) a d
1. A universal and precise stapling assembly comprising:(a.) a moveable stapling head for driving staples at precise locations through an aligned set of sheets on a given sheet alignment apparatus being one of a sheet-edge type alignment apparatus and a sheet-center type alignment apparatus;(b.) a drive device coupled to said stapling head for moving said stapling head relative to said given sheet alignment apparatus, and relative to the aligned set of sheets on said given sheet alignment apparatus;(c.) a sensor for sensing a position of the aligned set of sheets, said sensor comprising a sheet presence sensor, and said sheet presence sensor being mounted on and for movement with said stapling head; and(d.) a programmable controller connected to said drive device, to said sensor, and to said stapling head, said programmable controller including programmed type of sheet alignment apparatus information and calculating means for precisely calculating a precise staple location responsively to said programmed type of sheet alignment apparatus information and to the sensed position of the aligned set of sheets, thereby reducing staple mislocation due to a tolerance stack-up from components of said stapling head and tolerance stack-up from components of said given sheet alignment apparatus. 2. The universal and precise stapling assembly of claim 1, wherein said drive means comprises a stepper motor. 3. The universal and precise stapling assembly of claim 1, wherein said stapling head has a home position and is moveable from said home position across the alignment apparatus and back to said home position. 4. The universal and precise stapling assembly of claim 1, wherein said programmable controller is programmed with, and to use, a desired distance for locating a staple from an edge of the aligned set of sheets. 5. The universal and precise stapling assembly of claim 1, wherein said programmable controller is programmed with, and to use, a desired distance for locating a staple from a center of the aligned set of sheets. 6. The universal and precise stapling assembly of claim 1, wherein said programmable controller accepts and uses input information regarding an operators selection of which edge of the aligned set of sheets to staple. 7. The universal and precise stapling assembly of claim 1, wherein said calculating means is suitable for calculating the staple location (SL) to be equal to a number of stepper motor steps (SFE) from said home position to a sheet far edge of an aligned set of sheets minus a pre-programmed desired distance for locating staples from an edge of the aligned set of sheets. 8. The universal and precise stapling assembly of claim 1, wherein said calculating means is suitable for calculating the staple location (SL) to be equal to a number of stepper motor steps (SNE) from said home position to a near edge of an aligned set of sheets plus a programmed desired distance for locating staples from an edge of the aligned set of sheets. 9. The universal and precise stapling assembly of claim 1, wherein, when the alignment apparatus is a sheet center aligning device, said calculating means is suitable for calculating a center for the aligned set of sheets to be equal to ½ (SNE+SFE) where SNE is a number of stepper motor steps from said home position to said near edge (NE), and SFE is a number of stepper motor steps from said home position to said far edge (FE). 10. The universal and precise stapling assembly of claim 1, wherein said sheet presence sensor is capable of indicating a start of sheet presence condition and a start of sheet absence condition. 11. The universal and precise stapling assembly of claim 9, wherein said programmable controller is programmed for calculating the staple location (SL) to be equal to a number of stepper motor steps from said home position to said calculated center minus a programmed desired distance for locating staples from said calculated center. 12. A method of a stapling as sembly for precisely locating a staple on an aligned set of sheets on a given sheet alignment apparatus being one of either a sheet-edge type alignment apparatus and a sheet-center type alignment apparatus, the method comprising:a. programming a programmable controller of the stapling assembly to include and use, type of alignment apparatus information, stapling head home position, aligned set of sheet information and calculation algorithms;b. connecting the programmable controller to a stapling head of the stapling assembly;c. sensing a near edge and a far edge of the aligned set of sheets relative to a home position of the stapling head, said sensing comprising moving a sensor from a home position across the aligned set of sheets;d. measuring distances from the home position to the near edge and the far edge respectively;e. controllably moving the stapling head relative to the home position;f. calculating a precise staple location responsively to the measured distances, the type of alignment apparatus information, and the calculation algorithms, thereby eliminating the staple mislocation effects of component tolerance stack-up; andg. driving a staple at the calculated staple location. 13. The method of claim 12, wherein said step of calculating comprises calculating the staple location (SL) to be equal to a number of stepper motor steps from said home position to said calculated center minus a programmed desired distance for locating staples from said calculated center. 14. The method of claim 12, wherein said step of calculating comprises calculating a center for the aligned set of sheets to be equal to ½ (SNE+SFE) where SNE is a number of stepper motor steps from said home position to said near edge (NE), and SFE is a number of stepper motor steps from said home position to said far edge (FE). 15. The method of claim 12, wherein said step of calculating comprises calculating the staple location (SL) to be equal to a number of stepper motor steps (SNE) from said home position to a near edge of an aligned set of sheets plus a programmed desired distance for locating staples from an edge of the aligned set of sheets. 16. The method of claim 12, wherein said step of calculating comprises calculating the staple location (SL) to be equal to a number of stepper motor steps (SFE) from said home position to a sheet far edge of an aligned set of sheets minus a pre-programmed desired distance for locating staples from an edge of the aligned set of sheets.
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