Pivot-hung door drive

• US 6,338,693 B1
• Filed: 01/13/2000
• Issued: 01/15/2002
• Est. Priority Date: 01/14/1999
• Status: Expired due to Fees

• Current Assignee: Dorma GmbH + Company KG (dormakaba Holding AG)
• Original Assignee: Dorma GmbH + Company KG (dormakaba Holding AG)
• Inventors: Kisters, Peter, Scholten, Jan
• Primary Examiner(s): Estremsky, Sherry
• Assistant Examiner(s): PANG, ROGER L
• Application Number:
  US09/482,363
• Time in Patent Office: 733 Days
• Field of Search: 477/7, 493/40, 493/41, 493/42, 493/36, 744/21.R, 744/21.A, 744/22, 744/62, 318/3, 318/9, 318/445, 16/62
• US Class Current: 477/7
• CPC Class Codes: E05F 15/614 operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the wing pivot axis
• CPC Class Codes: E05F 15/63 operated by swinging arms
• CPC Class Codes: E05F 3/102 with rack-and-pinion transmission between driving shaft and piston within the closer housing
• CPC Class Codes: E05Y 2201/434 Electromotors; Details thereof
• CPC Class Codes: E05Y 2201/618 Transmission ratio variation
• CPC Class Codes: E05Y 2201/716 Pinions
• CPC Class Codes: E05Y 2600/46 in or on the wing
• CPC Class Codes: E05Y 2800/17 Universally applicable
• CPC Class Codes: E05Y 2800/21 of identical elements, e.g. of identical compression springs
• CPC Class Codes: E05Y 2900/132 Doors
• CPC Class Codes: Y10T 74/19972 form

Abstract

A pivot-hung door drive system with an electro-mechanical or electro-hydraulic drive device that supplies the opening and closing moment required to open and close a connected pivot-hung door panel, whereby an electronic regulation/control system with at least one memory and at least one microprocessor, on the basis of sensor signals, controls the opening or closing moment by means of a gear wheel that is located on an output shaft, which gear wheel is connected by means of a linkage and an actuator arm with the pivot-hung door panel, whereby between the output shaft of the pivot-hung door drive system and the linkage or the actuator arm, there is a device that effects a change in the opening and closing moment over the angle of rotation of the pivot-hung door panel.

Claims

1. A pivot-hung door drive system with an electro-mechanical or electro-hydraulic drive device that is configured to supply the opening and closing moment required to open and close a connected pivot-hung door panel, said drive system comprising:

an electronic control system comprising at least one memory, at least one microprocessor, and at least one sensor, all operatively interconnected together;

said at least one memory being configured and disposed to store at least one characteristic of operation of said drive system;

said at least one microprocessor being configured and disposed to control said drive system;

said at least one sensor being configured and disposed to indicate at least one operating status of a connected door panel to said at least one microprocessor;

a motor arrangement configured and disposed to operatively drive a door panel;

a drive arrangement connected to said motor arrangement, said drive arrangement being configured and disposed to be driven by said motor arrangement;

a transmission arrangement connected to said drive arrangement, said transmission arrangement being configured and disposed to be driven by said drive arrangement;

a linkage configured and disposed to move a door panel, said linkage being connected to said transmission arrangement and said linkage being configured and disposed to be driven by said transmission arrangement;

said transmission arrangement comprising an input arrangement and an output arrangement;

said input arrangement being connected to said drive arrangement;

said output arrangement being connected to said linkage; and

said transmission arrangement comprising at least one gear wheel being configured and disposed to change the relationship between the movement of said input arrangement and said output arrangement dependent upon the position and angle of rotation of one of said input arrangement and said output arrangement to provide differences in the opening and closing moments of said output arrangement over rotation of a door panel dependent upon the position of said output arrangement and the angle of rotation of said output arrangement to minimize force provided by said drive arrangement to close a door.

2. The pivot-hung door drive system according to claim 1, wherein:

said input arrangement has an angle of movement;

said output arrangement has an angle of movement; and

said at least one gear wheel to change the relationship between the movement of said input arrangement and said output arrangement comprises at least one gear wheel to change the angle of movement of said output arrangement and the angle of movement of said input arrangement to provide different translation ratios between said input arrangement and said output arrangement dependent upon a position of said output arrangement within the angle of movement of said output arrangement.

3. The pivot-hung door drive system according to claim 2, wherein:

said at least one gear wheel comprises a first gear wheel and a second gear wheel;

said first gear wheel is configured and disposed to engage with said second gear wheel to provide different translation ratios between said input arrangement and said output arrangement dependent upon a position of said output arrangement within the angle of movement of said output arrangement;

said gear wheels are configured and disposed to be engaged with one another substantially constantly throughout 360°

of rotation of said gear wheels;

each of said gear wheels comprises a curvilinear gear rim;

each of said gear wheels has a geometric center point;

each of said gear wheels has an axis of rotation about which each of said gear wheels rotates;

each of said gear wheels is mounted at the axis of rotation;

each of said axes of rotation is disposed a substantial predetermined distance from its corresponding geometric center point;

said output arrangement comprises an output shaft;

said output shaft is connected to said second gear wheel;

said output shaft is disposed coaxially with respect to the axis of rotation of said second gear wheel;

said drive arrangement comprises a drive gear;

said drive gear is configured and disposed to operatively connect to said first gear wheel; and

said drive gear is disposed coaxially with respect to the axis of rotation of said first gear wheel.

4. The pivot-hung door drive system according to claim 3, wherein:

each of said gear wheels has a corresponding pitch circle disposed about said axis of rotation;

said pitch circle of said first gear wheel is disposed to intersect substantially tangentially with said pitch circle of said second gear wheel;

said intersection of said Ditch circles forms a pitch point;

each said axis of rotation and its corresponding geometric center point are configured and disposed to provide an eccentricity; and

each of said geometric center points of each of said gear wheels lies centrically symmetric to the pitch point to produce eccentricity.

5. The pivot-hung door drive system according to claim 4, wherein:

said pivot-hung door drive system is a top-mounted pivot-hung door drive system; and

said top-mounted pivot-hung door drive system comprises;

a lever arm;

said lever arm is configured and disposed to effectively vary over the range of rotation between a coupling point of a door panel and another coupling point outside a door panel; and

said lever arm is engaged with the output shaft.

6. The pivot-hung door drive system according to claim 5, wherein said lever arm is formed by a slide-rail linkage.

7. The pivot-hung door drive system according to claim 5, wherein said lever arm is formed by a toggle-lever linkage.

8. The pivot-hung door drive system according to claim 4, wherein:

said pivot-hung door drive system comprises an underfloor drive; and

said output shaft is configured and disposed to interact with a bearing of a door panel.

9. The pivot-hung door drive system according to claim 5, wherein:

each of said gear wheels has a standard gearing according to DIN 867; and

the ratio of the magnitude of the eccentricity provided by the predetermined distance between the geometric center points and the axes of rotation to the base circle diameter is not substantially greater than 0.137.

10. A pivot-hung door drive system with an electro-mechanical or electro-hydraulic drive device configured to supply the opening and closing moment required to open and close a connected pivot-hung door panel, said drive system comprising:

a motor arrangement configured and disposed to operatively drive a door panel;

a drive arrangement connected to said motor arrangement, said drive arrangement being configured and disposed to be driven by said motor arrangement;

a transmission arrangement connected to said drive arrangement, said transmission arrangement being configured and disposed to be driven by said drive arrangement;

a linkage configured and disposed to move a door panel, said linkage being connected to said transmission arrangement and said linkage being configured and disposed to be driven by said transmission arrangement;

said transmission arrangement comprising an input arrangement and an output arrangement;

said input arrangement being connected to said drive arrangement;

said output arrangement being connected to said linkage; and

said transmission arrangement comprising at least one gear wheel being configured and disposed to change the relationship between the movement of said input arrangement and said output arrangement dependent upon the position and angle of rotation of one of said input arrangement and said output arrangement to provide differences in the opening and closing moments of said output arrangement over rotation of a door panel dependent upon the position of said output arrangement and the angle of rotation of said output arrangement.

11. The pivot-hung door drive system according to claim 10, wherein:

said input arrangement has an angle of movement;

said output arrangement has an angle of movement; and

said at least one gear wheel to change the relationship between the movement of said input arrangement and said output arrangement comprises at least one gear wheel to change the angle of movement of said output arrangement and the angle of movement of said input arrangement to provide different translation ratios between said input arrangement and said output arrangement dependent upon a position of said output arrangement within the angle of movement of said output arrangement.

12. The pivot-hung door drive system according to claim 11, wherein:

said at least one gear wheel comprises a first gear wheel and a second gear wheel;

said first gear wheel is configured and disposed to engage with said second gear wheel to provide different translation ratios between said input arrangement and said output arrangement dependent upon a position of said output arrangement within the angle of movement of said output arrangement;

said gear wheels are configured and disposed to be engaged with one another substantially constantly throughout 360°

of rotation of said gear wheels;

each of said gear wheels comprises a curvilinear gear rim;

each of said gear wheels has a geometric center point;

each of said gear wheels has an axis of rotation about which each of said gear wheels rotates;

each of said gear wheels is mounted at the axis of rotation;

each of said axes of rotation is disposed a substantial predetermined distance from its corresponding geometric center point;

said output arrangement comprises an output shaft;

said output shaft is connected to said second gear wheel;

said output shaft is disposed coaxially with respect to the axis of rotation of said second gear wheel;

said drive arrangement comprises a drive gear;

said drive gear is configured and disposed to operatively connect to said first gear wheel; and

said drive gear is disposed coaxially with respect to the axis of rotation of said first gear wheel.

13. The pivot-hung door drive system according to claim 12, wherein:

each of said gear wheels has a corresponding pitch circle disposed about said axis of rotation;

said pitch circle of said first gear wheel is disposed to intersect substantially tangentially with said pitch circle of said second gear wheel;

said intersection of said pitch circles forms a pitch point;

each said axis of rotation and its corresponding geometric center point are configured and disposed to provide an eccentricity; and

each of said geometric center points of each of said gear wheels lies centrically symmetric to the pitch point to produce eccentricity.

14. The pivot-hung door drive system according to claim 13, wherein:

said pivot-hung door drive system is a top-mounted pivot-hung door drive system; and

said top-mounted pivot-hung door drive system comprises;

a lever arm;

said lever arm is configured and disposed to effectively vary over the range of rotation between a coupling point of a door panel and another coupling point outside a door panel;

said lever arm is engaged with the output shaft; and

said lever arm is formed by one of;

a) a slide-rail linkage; and

b) a toggle-lever linkage.

15. The pivot-hung door drive system according to claim 13, wherein:

said pivot-hung door drive system comprises an underfloor drive; and

said output shaft is configured and disposed to interact with a bearing of a door panel.

16. The pivot-hung door drive system according to claim 15, wherein:

each of said gear wheels has a standard gearing according to DIN 867; and

the ratio of the magnitude of the eccentricity provided by the predetermined distance between the geometric center points and the axes of rotation to the base circle diameter is not substantially greater than 0.137.

17. A pivot-hung door drive system with an electro-mechanical or electro-hydraulic drive device configured to supply the opening and closing moment required to open and close a connected pivot-hung door panel, said drive system comprising:

a motor arrangement configured and disposed to operatively drive a door panel;

a drive arrangement connected to said motor arrangement, said drive arrangement being configured and disposed to be driven by said motor arrangement;

an arrangement connected to said drive arrangement, said arrangement being configured and disposed to be driven by said drive arrangement;

a linkage configured and disposed to move a door panel, said linkage being connected to said arrangement and said linkage being configured and disposed to be driven by said arrangement;

said arrangement comprising an input arrangement and an output shaft;

said input arrangement being connected to said drive arrangement; and

said arrangement comprising at least one gear wheel being configured and disposed to change the relationship between the movement of said input arrangement and said output shaft dependent upon the position and angle of rotation of one of said input arrangement and said output shaft to provide differences in the opening and closing moments of said output shaft over rotation of a door panel dependent upon the position of said output shaft and the angle of rotation of said output shaft.

18. The pivot-hung door drive system according to claim 17, wherein:

said input arrangement has an angle of movement;

said output shaft has an angle of movement; and

said at least one gear wheel to change the relationship between the movement of said input arrangement and said output shaft comprises at least one gear wheel to change the angle of movement of said output shaft and the angle of movement of said input arrangement to provide different translation ratios between said input arrangement and said output shaft dependent upon a position of said output shaft within the angle of movement of said output shaft.

19. The pivot-hung door drive system according to claim 18, wherein:

said at least one gear wheel comprises a first gear wheel and a second gear wheel;

said first gear wheel is configured and disposed to engage with said second gear wheel to provide different translation ratios between said input arrangement and said output arrangement dependent upon a position of said output arrangement within the angle of movement of said output arrangement;

said gear wheels are configured and disposed to be engaged with one another substantially constantly throughout 360°

of rotation of said gear wheels;

each of said gear wheels comprises a curvilinear gear rim;

each of said gear wheels has a geometric center point;

each of said gear wheels has an axis of rotation about which each of said gear wheels rotates;

each of said gear wheels is mounted at the axis of rotation;

each of said axes of rotation is disposed a substantial predetermined distance from its corresponding geometric center point;

said output shaft is connected to said second gear wheel;

said output shaft is disposed coaxially with respect to the axis of rotation of said second gear wheel;

said drive arrangement comprises a drive gear;

said drive gear is configured and disposed to operatively connect to said first gear wheel; and

said drive gear is disposed coaxially with respect to the axis of rotation of said first gear wheel.

20. The pivot-hung door drive system according to claim 19, wherein:

each of said gear wheels has a corresponding pitch circle disposed about said axis of rotation;

said pitch circle of said first gear wheel is disposed to intersect substantially tangentially with said pitch circle of said second gear wheel;

said intersection of said pitch circles forms a pitch point;

each said axis of rotation and its corresponding geometric center point are configured and disposed to provide an eccentricity;

each of said geometric center points of each of said gear wheels lies centrically symmetric to the pitch point to produce eccentricity;

each of said gear wheels has a standard gearing according to DIN 867;

the ratio of the magnitude of the eccentricity provided by the predetermined distance between the geometric center points and the axes of rotation to the base circle diameter is not substantially greater than 0.137; and

said pivot-hung door drive system is one of;

c) a top-mounted pivot-hung door drive system, which said top-mounted pivot-hung door drive system comprises;

a lever arm;

said lever arm is configured and disposed to effectively vary over the range of rotation between a coupling point of a door panel and another coupling point outside a door panel;

said lever arm is engaged with said output shaft; and

said lever arm is formed by one of;

e) a slide-rail linkage; and

f) a toggle-lever linkage;

or

d) an underfloor drive system, wherein said output shaft is configured and disposed to interact with a bearing of a door panel.