Author: claimsbot

1. A method for secure data transfer in an automation network, the automation network comprising at least one program invocation and at least one subassembly, the program invocation including a program invocation rights system and the subassembly including a subassembly rights system, the method comprising the steps of:
authenticating a user by the program invocation rights system aided by user data for approving a use of the program invocation by the user;
encrypting and signing data by the program invocation, the data containing the user data;
transferring the data by a transfer medium from the program invocation to the subassembly;
decrypting the data in the subassembly;
authenticating the program invocation by a corresponding subassembly; and
authenticating the user by the subassembly rights system aided by the user data.
2. The method as claimed in claim 1, wherein the encryption is an asymmetric encryption.
3. The method as claimed in claim 2, wherein the program invocation and the subassembly each have an asymmetric public subassembly key, wherein the program invocation has a private program invocation key and the subassembly has a private subassembly key, the method further comprising the steps of:
asymmetrically encrypting the data in the program invocation with the public subassembly key and signing the data with the private program invocation key;
transferring of the encrypted and signed data from the program invocation to the subassembly; and
decrypting the encrypted data in the subassembly with the private subassembly key and authenticating the program invocation as sender of the data with the public program invocation key.
4. The method as claimed in claim 1, wherein the encrypted and signed data is stored by the program invocation on a storage medium and prior to the decryption in the subassembly is read from the storage medium.
5. The method as claimed in claim 1, wherein the encrypted and signed data is transferred over a cable link between the program invocation and the subassembly.
6. The method as claimed in claim 5, wherein the data transfer is effected over the cable link by one of the following protocols: multi-point interface (MPI), PROFIBUS, Ethernet, Transmission Control ProtocolInternet Protocol (TCPIP), PROFINET.
7. The method as claimed in claim 5, wherein the data transfer is effected over a wireless link by one of the following protocols: Ethernet, Transmission Control ProtocolInternet Protocol (TCPIP), PROFINET.
8. The method as claimed in claim 1, wherein the data contains a symmetrical key for encrypted data transfers from the program invocation to the subassembly.
9. The method as claimed in claim 3, wherein the data contains a further private subassembly key and a further public program invocation key for encrypted data transfers from the program invocation to the subassembly.
10. A control device in an automation network, the control device containing a program invocation, and the program invocation having a program invocation rights system, the control device comprising:
an authentication device for authentication of a user by the program invocation rights system with the help of user data for approving a use of the program invocation by the user;
an encryption and signing device configured to encrypt and sign data by the program invocation, the data containing the user data; and
a transfer device configured to transfer the data by a transfer medium.
11. The control device as claimed in claim 10, wherein the control device is configured to:
authenticate a user by the program invocation rights system aided by user data for approving a use of the program invocation by the user;
encrypt and sign data by the program invocation, the data containing the user data; and
transfer the data by a transfer medium from the program invocation to the subassembly.
12. A subassembly in an automation network, the subassembly including a subassembly having a subassembly rights system, the subassembly comprising:
a receiver configured to receive data;
a decryption device configured to decrypt data;
a device authenticator configured to authenticate a control device as the sender of the data; and
a user authenticator configured to authenticate a user by the subassembly rights system aided by the user data.
13. The subassembly as claimed in claim 12, wherein the subassembly is configured to:
decrypt the data in the subassembly;
authenticate the program invocation by a corresponding subassembly; and
authenticate the user by the subassembly rights system aided by the user data.
14. An automation network comprising:
a control device containing a program invocation, and the program invocation having a program invocation rights system, the control device comprising:
an authentication device for authenticating of a user by the program invocation rights system with the help of user data for approving a use of the program invocation by the user;
an encryption and signing device configured to encrypt and sign data by the program invocation, the data containing the user data; and
a transfer device configured to transfer the data by a transfer medium; and
a subassembly including a subassembly having a subassembly rights system, the subassembly comprising:
a receiver configured to receive data;
a decryption device configured to decrypt data;
a device authenticator configured to authenticate a control device as the sender of the data; and

a user authenticator configured to authenticate a user by the subassembly rights system aided by the user data;
wherein the control device is configured to transfer data by a transfer medium from the control device to the subassembly; and
wherein the subassembly is configured to receive the transferred data.
15. A non-transitory computer-readable storage medium encoded with instructions, which during execution in a control device in an automation network, the control device containing a program invocation and the program invocation having a program invocation rights system, prompt the control device to execute a method comprising:
authenticating a user by the program invocation rights system aided by the user data;
encrypting and signing data by the program invocation, the data containing the user data; and
transferring the data by a transfer medium.
16. A non-transitory computer-readable storage medium encoded with instructions, which during execution in a subassembly in an automation network, the subassembly having a subassembly rights system, prompt the subassembly to execute a method comprising:
receiving data;
decrypting the data;
authenticating a control device as a sender of the data; and
authenticating a user by the subassembly rights system aided by the user data.
17. The computer-readable storage medium as claimed in claim 16, wherein the computer-readable storage medium is configured to:
authenticate a user by the program invocation rights system aided by user data for approving a use of the program invocation by the user;
encrypt and sign data by the program invocation, the data containing the user data;
transfer the data by a transfer medium from the program invocation to the subassembly;
decrypt the data in the subassembly;
authenticate the program invocation by a corresponding subassembly; and
authenticate the user by the subassembly rights system aided by the user data.

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 utility vehicle comprising:
a vehicle body;
a seat provided on the vehicle body;
a pair of right and left entrances through which a user to be seated on the seat gets into and out of the vehicle, the entrances being provided at both sides of the vehicle body in a vehicle width direction; and
a pair of right and left doors for opening and closing the pair of right and left entrances, respectively;
each of the pair of right and left doors including a door body closing at least a portion of a corresponding entrance, a hinge for coupling the door body to the vehicle body such that the door body is rotatable around the hinge, and a latch device having an operation member for opening and closing the door;
the door body including a door component which is substantially symmetric in shape in a rightward and leftward direction and having a mounting hole to which the operation member is mounted; and
the mounting hole being a hole formed from the door component wherein the door component has a hollowed shape formed using resin by blow molding.
2. The utility vehicle according to claim 1,
wherein a pair of right and left front doors are arranged side by side at a front and a pair of right and left rear doors are arranged side by side at a rear;
the door body constituting each of the pair of right and left front doors including a door component which is substantially symmetric in shape in the rightward and leftward direction; and
the door body constituting each of the pair of right and left rear doors including a door component which is substantially symmetric in shape in the rightward and leftward direction.
3. The utility vehicle according to claim 1, wherein at least one of the doors includes a decorative cover mounted to an outer surface of the door body in the vehicle width direction.
4. The utility vehicle according to claim 3, wherein the door body includes a plurality of recesses on an outer surface and an inner surface in the vehicle width direction; and
a pair of recesses among the plurality of recesses, the pair of recesses facing each other in the vehicle width direction and having respective holes into which fastener members for fastening the decorative cover and the door body together are inserted, the holes communicating with each other.
5. The utility vehicle according to claim 1,
wherein the door body includes recesses on an outer surface and an inner surface in the vehicle width direction; and
at least portions of the recesses are positioned forward relative to a seat bottom of the seat and above an upper surface of the seat bottom of the seat to correspond to a knee of the user seated on the seat when viewed from a side.
6. The utility vehicle according to claim 1, wherein the door body includes a plurality of recesses on an outer surface and an inner surface in the vehicle width direction; and
a pair of recesses among the plurality of recesses, which face each other in the vehicle width direction, have respective holes into which fastener members for fastening the door body and the hinge together are inserted, the holes communicating with each other.

1. A cowl structure for a gas turbine engine, the cowl structure comprising inner and outer skins constructed such that at least a major proportion of a load applied to the cowl structure is transmitted along the outer skin, wherein the cowl structure has a principal axis and the inner skin includes first, second and third sections arranged adjacent and in axial alignment with each other parallel to the principal axis of the cowl structure, the second section being resiliently mounted intermediate the first and third sections by joint means, the joint means permitting relative movement between the sections and insulating the second section from the adjacent cowl structure.
2. A cowl structure as claimed in claim 1 in which the outer skin is more rigid than the inner skin.
3. A cowl structure as claimed in claim 1 or claim 2 in which seal means are provided between the adjacent edges of the first, second and third sections, the seal means extending substantially circumferentially around the inner skin.
4. A cowl structure according to claims 1-3 wherein the joint means are flexible to allow said relative movement between the adjacent sections.
5. A cowl structure according to any of claims 1-4 wherein the joint means includes bearing means provided on at least one of the sections, and engagement means extending from the adjacent section to engage the bearing means.
6. A cowl structure according to claim 5 wherein the engagement means comprises a plurality of bracket members substantially evenly spaced around and mounted on at least one of the sections.
7. A cowl structure according to any of claims 1-4 wherein the joint means includes resilient urging means to allow said relative movement between the sections and urge the adjacent sections away from each other.
8. A cowl structure according to claim 7 wherein the resilient urging means comprises spring means.
9. A cowl structure according to claim 8 having internal surfaces across which air can pass in use, wherein the spring means extends substantially radially outwardly from the inner skin, to maintain alignment of the internal surfaces.
10. A cowl structure according to claim 8 or claim 9 wherein the spring means comprises a plurality of spring members spaced around the cowl structure at substantially regular intervals.
11. A cowl structure according to any preceding claim including a projecting member extending from one of the adjacent sections at the opposite side thereof to the joint means.
12. A cowl structure according to any preceding claim wherein the cowl structure is movable between translated and non-translated conditions relative to the remainder of the engine, and guide means are provided to guide the first section from the translated condition to the non-translated condition.
13. A cowl structure according to claim 12 when dependent on claims 5 or 6 wherein said guide means comprises a sloping surface on a leading portion of said engagement means the sloping surface engaging the bearing means as the first and second sections are moved from the translated condition to the non translated condition.
14. A cowl structure according to claim 12 when dependent upon any of claims 7 to 10 wherein the guide means comprises co-operating formations provided on the first or the second sections, the formation being associated with components of the resilient urging means provided between the first and second sections.
15. A cowl structure according to claim 14 wherein the co-operating formations comprise tapered members mounted on one of the first and second sections, the tapered members engaging with complementary apertures in associated components of said resilient urging means.
16. A cowl structure according to any preceding claim wherein at least one door is provided in said cowl structure to provide access to the internal components or the engine.
17. A gas turbine engine incorporating a cowl structure as claimed in any preceding claim.
18. A gas turbine engine substantially as herein described with reference to and as shown in the accompanying drawings.

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 hardline coaxial cable connector comprising:
a front body member having a first end and a second end, said first end adapted to connect to an equipment port and said second end having external threads;
a back body member separable from the front body member, said back body member having a first end and a second end, said first end including an external shoulder and said second end housing a permanent compression fitting;
a coupler nut having a first end and an internal ridge, wherein said coupler nut is retained on said back body member at said shoulder of said back body member and said first end having internal threads which mate with the external threads on said second end of said front body member;
whereby the front body member can be detachable and re-attachable from the back body member without adversely affecting the permanent compression fitting.
2. A hardline coaxial cable connector according to claim 1, wherein said back body member has mounted therein a mandrel having a first end.
3. A hardline coaxial cable connector according to claim 2, wherein said first end of said mandrel includes a shoulder adapted to cooperate with said internal ridge on the coupler nut to retain said coupler nut on the back body member.
4. A hardline coaxial cable connector according to claim 3, wherein said second end of said front body member is adapted to mate with one of the first end of the back body member and the first end of said mandrel.
5. A cable connector according to claim 4, wherein said second end of said front body member includes a tapered surface which mates with a complementary tapered surface at the first end of said mandrel.
6. A hardline coaxial cable connector according to claim 4, further comprising a thrust bearing disposed between said internal ridge of said coupler nut and said shoulder of said mandrel.
7. A hardline coaxial cable connector according to claim 1, wherein said front body houses a conductive pin, said conductive pin including a front end for connecting to said equipment port and a back end, wherein said back end includes a collet.
8. A hardline coaxial cable connector according to claim 7, wherein said collet includes a spring biased ring to define a mechanical interference fit.
9. A cable connector according to claim 8, further comprising a guide disposed within said front body, wherein a portion of said guide fits over said ring.
10. A hardline coaxial cable connector according to claim 3, wherein said front body houses a conductive pin, said conductive pin including a front end for connecting to said equipment port and a back end, wherein said back end includes a collet.
11. A hardline coaxial cable connector according to claim 10, wherein said collet includes a spring biased ring to define a mechanical interference fit.
12. A hardline coaxial cable connector according to claim 11, further comprising a guide disposed within said front body, wherein a portion of said guide fits over said ring.
13. A hardline coaxial connector body comprising:
a front body member having a first end adapted to mate with an equipment port, a second end with external threads, and housing a conductive pin;
a back body member having first end having an external shoulder and a second end adapted to house a permanent compression fitting;
a coupler nut including a first end having internal threads adapted to selectively engage the external threads of said front body member and an internal ridge adapted to mate with the shoulder of back body member;
whereby the front body member is detachable and re-attachable from the back body member by selective engagement of the threads of the coupler nut, said selective engagement not adversely affecting the permanent compression fitting.
14. A hardline coaxial cable connector body according to claim 13, wherein engagement of the threads of the coupler nut holds the second end of the front body member in contact with the first end of the back body member.