Positioning device and component placement machine including the positioning device
First Claim
1. A positioning device comprisinga chassis (1) provided with at least two wheels (2, 3),a loop-shaped traction member (4) tensioned around the wheels,a load (5) connected to the traction member, which load is movable relative to the chassis and together with the traction member forms a closed loop,a drive means (6) for driving the load via a first section of the traction member, which first section is disposed between the load and the drive means, and via a second section of the traction member, which second section is disposed between the load and the drive means, tensioning means (7), connected to the load, for tensioning the traction member,which tensioning means act on the first section (41) of the traction member via a first point of engagement (A) and on the second section (42) of the traction member via a second point of engagement (B),characterized in that the connection between the load (5) and the traction member (4) includes a coupling mechanism (8;
- 9;
100), by means of which a first relative movement (u1 ;
uA -u) of the first point of engagement (A) relative to the load in a first direction (8a) is linked to a second relative movement (u2 ;
u-uB) of the point of engagement (B) relative to the load in a direction opposite to the first direction.
1 Assignment
0 Petitions
Accused Products
Abstract
The positioning device comprises a chassis (1) provided with a drive wheel (2), mounted on the shaft of a motor (6), and a reversing wheel (3). The positioning device further comprises a loop-shaped traction member (4) tensioned around the wheels (2, 3). The traction member (4) is connected to a load (5), which is movable relative to the chassis (1) and together with the traction member (4) forms a closed loop. The drive wheel (2) and the motor (6) form a drive means for driving the load (5) via a first section (41) of the traction member (4), which first section is disposed between the load (5) and the drive wheel (2), and via a second section (42) of the traction member (4), which second section is disposed between the load (5) and the drive wheel (2). The load (5) carries tensioning means (7) for tensioning the traction member (4). These tensioning means act on the first section (41) of the traction member (4) via a first point of engagement (A) and on the second section (42) of the traction member (4) via a second point of engagement (B). These tensioning means (7) keep the traction member (4) under tension. The load (5) is coupled to the traction member (4) via a coupling mechanism (8). The coupling mechanism (8) links a first relative movement of the first point of engagement (A) relative to the load to a second relative movement of the point of engagement (B) relative to the load in an opposite direction.
31 Citations
12 Claims
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1. A positioning device comprising
a chassis (1) provided with at least two wheels (2, 3), a loop-shaped traction member (4) tensioned around the wheels, a load (5) connected to the traction member, which load is movable relative to the chassis and together with the traction member forms a closed loop, a drive means (6) for driving the load via a first section of the traction member, which first section is disposed between the load and the drive means, and via a second section of the traction member, which second section is disposed between the load and the drive means, tensioning means (7), connected to the load, for tensioning the traction member, which tensioning means act on the first section (41) of the traction member via a first point of engagement (A) and on the second section (42) of the traction member via a second point of engagement (B), characterized in that the connection between the load (5) and the traction member (4) includes a coupling mechanism (8; - 9;
100), by means of which a first relative movement (u1 ;
uA -u) of the first point of engagement (A) relative to the load in a first direction (8a) is linked to a second relative movement (u2 ;
u-uB) of the point of engagement (B) relative to the load in a direction opposite to the first direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- 9;
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12. Apparatus comprising:
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a chassis (1) including at least two wheels (2,3); a loop-shaped traction member (4) tensioned around the wheels; a load (5) connected to the traction member, which load is movable relative to the chassis and together with the traction member forms a closed loop; drive means (6) for driving the load via first and second sections of the traction member, the first section being at least part of a first path (I1) between the drive means and the load, the second section being at least part of a second path (I2) between the load and the drive means; tensioning means, connected to the load, for tensioning the traction member, which tensioning means acts on the first section (41) via a first point of engagement (A) and on the second section (42) via a second point of engagement (B); a coupling mechanism for linking first and second relative motions, the first relative motion being of the first point of engagement relative to the load, the second relative motion being of the second point of engagement relative to the load, the first and the second relative motions being in opposite directions.
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Specification