1. A ratchet wrench comprising:
a body (10) including a head (11) and a handle (12) interconnected to the head (11), with the head (11) including first and second sides (18, 19) spaced in a thickness direction, with the head (11) further including a through-hole (13) extending from the first side (18) through the second side (19), with the through-hole (13) including an inner periphery having a plurality of teeth (14);
a drive member (20) rotatably received in the through-hole (13), with the drive member (20) including first and second ends (54, 56) spaced in the thickness direction, with the first end (54) of the drive member (20) including first and second compartments (21), with the drive member (20) further including a hole (23) extending in the thickness direction and in communication with the first and second compartments (21), with the second end (56) of the drive member (20) being adapted for driving a fastener;
first and second pawls (30) respectively and pivotably received in the first and second compartments (21) about first and second pivot axes (O), with each of the first and second pawls (30) including first and second ends (60, 62) and an inner side (64) extending between the first and second ends (60, 62) in a longitudinal direction perpendicular to the thickness direction, with the first end (60) of each of the first and second pawls (30) including a plurality of first teeth (31), with the second end (62) of each of the first and second pawls (30) including a plurality of second teeth (32), with the inner side (64) of each of the first and second pawls (30) including a positioning section (35) having first, second, and third positioning faces (351, 352, 353) spaced in the longitudinal direction, with the third positioning face (353) intermediate the first and second positioning faces (351, 352), with the first pawl (30) including a first longitudinal axis (L) passing through the first pivot axis (O), with the second pawl (30) including a second longitudinal axis (L) passing through the second pivot axis (O), with a first line (S) passing through a center (C) of the third positioning face (353) of the first pawl (30) and the first pivot axis (O) being at a first acute angle (A) with a second line (E) passing through the first pivot axis (O) and normal to the first longitudinal axis (L), with a third line (S) passing through a center (C) of the third positioning face (353) of the second pawl (30) and the second pivot axis (O) being at a second acute angle (B) with a fourth line (E) passing through the second pivot axis (O) and normal to the second longitudinal axis (L);
a control member (40) rotatably extending through the hole (23) of the drive member (20) and movable between first, second, and third operative positions; and
a pressing device (50) mounted between the control member (40) and the first and second pawls (30) and selectively pressing against the first, second, and third positioning faces (351, 352, 353) of each of the first and second pawls (30),
wherein when the control member (40) is in the first operative position, the pressing device (50) presses against the second positioning face (352) of the first pawl (30) and the first positioning face (351) of the second pawl (30), the plurality of second teeth (32) of the first pawl (30) and the plurality of first teeth (31) of the second pawl (30) are engaged with the plurality of teeth (14) of the head (11), and the plurality of first teeth (31) of the first pawl (30) and the plurality of second teeth (33) of the second pawl (30) are disengaged from the plurality of teeth (14) of the head (11), allowing the handle (12) and the drive member (20) to rotate in a first direction driving the fastener in the first direction, and allowing the handle (12) to rotate freely relative to the drive member (20) in a second direction reverse to the first direction without driving the fastener,
wherein when the control member (40) is in the third operative position, the pressing device (50) presses against the first positioning face (351) of the first pawl (30) and the second positioning face (352) of the second pawl (30), the plurality of first teeth (31) of the first pawl (30) and the plurality of second teeth (32) of the second pawl (30) are engaged with the plurality of teeth (14) of the head (11), and the plurality of second teeth (32) of the first pawl (30) and the plurality of first teeth (31) of the second pawl (30) are disengaged from the plurality of teeth (14) of the head (11), allowing the handle (12) and the drive member (20) to rotate in the second direction driving the fastener in the second direction, and allowing the handle (12) to rotate freely relative to the drive member (20) in the first direction without driving the fastener, and
wherein when the control member (40) is in the second operative position, the pressing device (50) presses against the third positioning faces (353) of the first and second pawls (30), the plurality of first teeth (31) of each of the first and second pawls (30) are engaged with the plurality of teeth (14) of the head (11), and the plurality of second teeth (32) of each of the first and second pawls (30) are disengaged from the plurality of teeth (14) of the head (11), allowing the handle (12) and the drive member (20) to rotate in either of the first and second directions driving the fastener, and not allowing free rotation of the handle (12) relative to the drive member (20) in either of the first and second directions without driving the fastener.
2. The ratchet wrench as claimed in claim 1, with the first longitudinal axis (L) passing through centers of the first and second teeth (31, 32) of the first pawl (30), with the second longitudinal axis (L) passing through centers of the first and second teeth (31, 32) of the second pawl (30), and with the first acute angle (A) equal to the second acute angle (B).
3. The ratchet wrench as claimed in claim 2, with the handle (12) having a spacing to the first positioning face (351) of each of the first and second pawls (30) larger than the third positioning face (353) of each of the first and second pawls (30), with the center (C) of the third positioning face (353) of the first pawl (30) having a first spacing to the first end (60) of the first pawl (30) and a second spacing to the second end (62) of the first pawl (30), with the first spacing larger than the second spacing, with the center (C) of the third positioning face (353) of the second pawl (30) having a third spacing to the first end (60) of the second pawl (30) and a fourth spacing to the second end (62) of the second pawl (30), and with the third spacing larger than the fourth spacing.
4. The ratchet wrench as claimed in claim 1, with the control member (40) including a disc (41) having a face (48) with a recess (43), with the control member (40) further including a stem (42) extending from the face (48) of the disc (41) in the thickness direction, with the stem (42) rotatably extending through the hole (23) of the drive member (20) and spaced from the recess (43), with the first end (54) of the drive member (20) further including a positioning hole (25) extending in the thickness direction and spaced from the hole (23), with a pin (252) and a spring (251) being received in the positioning hole (25), and with the pin (252) being biased by the spring (251) into the recess (43) when the control member (40) is in the second operative position.
5. The ratchet wrench as claimed in claim 4, with the stem (42) including a radial through-hole (44) extending in a radial direction perpendicular to the thickness direction, with the pressing device (50) received in the radial through-hole (44) and including first and second pressing members (52) and an elastic element (51) mounted between the first and second pressing members (52), and with each of the first and second pressing members (52) being biased by the elastic element (51) to press against one of the first, second, and third positioning faces (351, 352, 353) of one of the first and second pawls (30) corresponding to one of the first, second, and third operative positions of the control member (40).
6. The ratchet wrench as claimed in claim 5, with the first end (50) of the drive member (20) including first and second boards (70, 72) spaced in the thickness direction and an interconnecting wall (74) interconnected between the first and second boards (70, 72), with the positioning hole (25) extending through the first board (70) into the interconnecting wall (74), with the first board (70) including a flange (28) on an outer periphery thereof, with the inner periphery of the through-hole (13) of the head (11) including a shoulder (15), and with the flange (28) rotatably abutting the shoulder (15).
7. The ratchet wrench as claimed in claim 6, with the first and second boards (70, 72) including two aligned first pivot holes (24) and two aligned second pivot holes (24) diametrically opposite to the two first pivot holes (24), with the first pawl (30) including a first pin hole (36) aligned with the two first pivot holes (24), with a first pin (37) extending through the first pin hole (36) and the two first pivot holes (24) and defining the first pivot axis (O), with the second pawl (30) including a second pin hole (36) aligned with the two second pivot holes (24), and with a second pin (37) extending through the second pin hole (36) and the two second pivot holes (24) and defining the second pivot axis (O).
8. The ratchet wrench as claimed in claim 7, with the radial through-hole (44) including a longitudinal axis (X) extending in the radial direction, and with the first and third lines (S) coincident to the longitudinal axis (X) of the radial through-hole (44) when the control member (40) is in the second operative position.
9. The ratchet wrench as claimed in claim 7, with the first and second positioning faces (351 and 352) of each of the first and second pawls (30) being planar, and with the third positioning face (353) of each of the first and second pawls (30) being arcuate.
10. The ratchet wrench as claimed in claim 1, with the control member (40) including a radial through-hole (44) extending in a radial direction perpendicular to the thickness direction, with the pressing device (50) received in radial the through-hole (44) and including first and second pressing members (52) and an elastic element (51) mounted between the first and second pressing members (52), and with each of the first and second pressing members (52) being biased by the elastic element (51) to press against one of the first, second, and third positioning faces (351, 352, 353) of one of the first and second pawls (30) corresponding to one of the first, second, and third operative positions of the control member (40).
11. The ratchet wrench as claimed in claim 10, with the radial through-hole (44) including a longitudinal axis (X) extending in the radial direction, and with the first and third lines (S) coincident to the longitudinal axis (X) of the radial through-hole (44) when the control member (40) is in the second operative position.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A transaction system, including:
an entry system for reading first identification data from a first device and second identification data from a second device; and
a database system for accessing payment account data of a transaction account on the basis of said first and second identification data, and requesting authorisation data for a payment transaction using said payment account data;
said entry system performing an authorisation process in response to said authorisation data being received.
2. A transaction system as claimed in claim 1, wherein said database system stores an authorisation record with an authorisation time in response to said authorisation data being received.
3. A transaction system as claimed in claim 1, wherein said database system validates said first device on receiving said first identification data and accesses transaction accounts associated with said first identification data.
4. A transaction system as claimed in claim 3, wherein said database system validates said second device on receiving said second identification data and determines the transaction account associated with said second identification data.
5. A transaction system as claimed in claim 1, wherein said authorisation process includes advising of authorisation of use of said second device for attending to a payment.
6. A transaction system as claimed in claim 5, wherein said authorisation process includes generating a message to allow entry to a site.
7. A transaction system as claimed in claim 2, including a payment system for reading said second identification data from said second device and generating payment data representing a payment amount;
said database system determining authorisation for a payment transaction on the basis of said second identification data and said authorisation record, and in response submitting said payment data and said payment account data to a payment processing system for performing said payment transaction.
8. A transaction system as claimed in anyone of the preceding claims, wherein said first and second devices are RFID devices.
9. A transaction system as claimed in claim 8, wherein said first device is associated with a tolling account of a tolling system and is located in a vehicle.
10. A transaction process including:
reading first identification data from a first device and second identification data from a second device;
accessing a transaction account on the basis of said first and second identification data;
requesting authorisation data for a payment transaction using payment account data of said transaction account; and
storing an authorisation record with an authorisation time in response to said authorisation data being received.
11. A transaction process as claimed in claim 10, including validating said first and second devices using said first and second identification data.
12. A transaction process as claimed in claim 11, wherein said validating includes comparing said identification data against blacklist data for invalid devices.
13. A transaction process as claimed in claim 10, including accessing transaction accounts associated with said first identification data, and determining the transaction account of said transaction accounts that is associated with said second identification data.
14. A transaction process as claimed in claim 10, including advising of authorisation of use of said second device for attending to a payment, in response to receipt of said authorisation data.
15. A transaction process as claimed in claim 10, including generating a message to allow a user of the second device to enter a site, in response to receipt of said authorisation data.
16. A transaction process as claimed in claim 10 or 11, including:
reading said second identification data from said second device and generating payment data representing a payment amount;
determining authorisation for a payment transaction on the basis of said second identification data and said authorisation record, and
submitting said payment data and said payment account data to a payment processing system for performing said payment transaction.
17. A transaction process as claimed in any one of claims 10 to 16, wherein said first and second devices are RFID devices.
18. A transaction process as claimed in claim 17, wherein said first device is associated with the tolling account of a tolling system and is located in a vehicle.
19. A transaction process as claimed in claim 18, wherein said validating includes accessing said tolling account on the basis of said first identification data.
20. A transaction process as claimed in any one of claims 17 to 19, wherein said second device is a passive short range RFD device, and said first device is an active RFD device with a range of about 100 meters.
21. A transaction process, including:
reading and validating a first RFID;
reading and validating a second RFID;
accessing payment account data associated with said first RFID and said second RFID; and
submitting an authorisation transaction with said payment account data to a payment processing system to obtain authorisation data representing approval for subsequent use of said second RFID, within a predetermined period of time, to authorise a payment.
22. A transaction process as claimed in claim 13, including generating a message to allow entry to a site in response to said authorisation data.
23. A transaction process as claimed in claim 13, including:
reading said second RFID at a payment terminal;
accessing said authorisation record on the basis of said second identification data;
determining whether a payment transaction is authorised on the basis of said authorisation record; and
submitting said payment transaction with payment data representing a payment amount to a payment processing system.