Abstract: A desk frame elevation structure includes an inner tube telescopically received in an outer tube and a roller unit between the inner and outer tubes. The outer tube is fixed to a base and includes a bottom plate and a first top plate. A desk board unit is fixed to the inner tube. A telescopic rod is received in the inner tube and has top and bottom ends coupled to the outer and inner tubes, respectively. The inner tube extends through an upper buffer pad disposed below the first top plate. The upper buffer pad has an upper face abutting the first top plate and a lower face for abutting an abutting edge of the inner tube. A lower buffer pad is disposed above the bottom plate and includes a lower face abutting the bottom plate and an upper face for abutting a bottom end of the inner tube.

Abstract: A desk frame elevation structure includes an inner tube telescopically received in an outer tube and a roller unit between the inner and outer tubes. The outer tube is fixed to a base and includes a bottom plate and a first top plate. A desk board unit is fixed to the inner tube. A telescopic rod is received in the inner tube and has top and bottom ends coupled to the outer and inner tubes, respectively. The inner tube extends through an upper buffer pad disposed below the first top plate. The upper buffer pad has an upper face abutting the first top plate and a lower face for abutting an abutting edge of the inner tube. A lower buffer pad is disposed above the bottom plate and includes a lower face abutting the bottom plate and an upper face for abutting a bottom end of the inner tube.

Abstract: An elevation structure for a desk frame includes an inner tube telescopically received in an outer tube fixed to a base. The outer tube includes a bottom plate and a first top plate. A desk board unit is fixed to the inner tube. A telescopic rod is received in the inner tube and has top and bottom ends coupled to the outer and inner tubes, respectively. The inner tube extends through an upper buffer pad disposed below the first top plate. The upper buffer pad has an upper face abutting the first top plate and a lower face for abutting an abutting edge of the inner tube in the highest position. A lower buffer pad is disposed above the bottom plate and includes a lower face abutting the bottom plate and an upper face for abutting a bottom end of the inner tube in the lowest position.

Abstract: An angular position adjusting device includes a coupling column coupled with a chair body. The coupling column includes a top end having a lower coupling face with a receiving groove, a pivotal groove, and at least one restraining groove. The pivotal groove includes a bottom wall having a coupling hole. A positioning block is mounted in the receiving groove and includes a resilient portion having a positioning member. A seat includes a lower end having an upper coupling face with an axle received in the pivotal groove. A fastener extends through the axle and is coupled with the coupling hole of the coupling column. The positioning member is selectively and releasably engaged in one of angularly spaced positioning grooves of the upper coupling face. At least one restraining member is disposed on the upper coupling face and is slidably received in the at least one restraining groove.

Abstract: A chair seat device includes a lower seat and an upper seat softer than the lower seat and permitting restitution when compressed. The upper seat includes a top board having front and rear lower edges coupled with front and rear lower edges of the lower seat. Two openings are formed in left and right sides of the coupled upper and lower seats. At least one elastic element is coupled to the lower seat and includes an upper supporting portion shorter than the upper seat. The upper supporting portion includes front and rear arcuate portions having front and rear end portions coupled with the lower seat. The front arcuate portion is spaced from the front upper edge by a front spacing. The rear arcuate portion is spaced from the rear upper edge by a rear spacing. The front and rear spacings permit elastic deformation of the at least one elastic element.

Abstract: An angular position adjusting device includes a coupling column coupled with a chair body. The coupling column includes a top end having a lower coupling face with a receiving groove, a pivotal groove, and at least one restraining groove. The pivotal groove includes a bottom wall having a coupling hole. A positioning block is mounted in the receiving groove and includes a resilient portion having a positioning member. A seat includes a lower end having an upper coupling face with an axle received in the pivotal groove. A fastener extends through the axle and is coupled with the coupling hole of the coupling column. The positioning member is selectively and releasably engaged in one of angularly spaced positioning grooves of the upper coupling face. At least one restraining member is disposed on the upper coupling face and is slidably received in the at least one restraining groove.

Abstract: A bedside dining table includes a supporting beam mounted on top of a vertical leg. A table is mounted on a top of the supporting beam. First and second axle seats are coupled to the supporting beam. The first axle seat includes a plurality of angularly spaced positioning holes. First and second pivotal seats are coupled to the table. Two axles respectively extend through axle holes of the first and second pivotal seats and the first and second pivotal seats to permit pivotal movement therebetween. Each of the first and second pivotal seats includes an arcuate abutment face abutting an arcuate abutment face of one of the first and second axle seats. A positioning seat is mounted to the first pivotal seat. A positioning rod extends through the positioning seat and is biased by an elastic element into one of the plurality of positioning holes of the first axle seat.

Abstract: A forearm crutch includes a supporting rod, a handle, and a holding device. The supporting rod is adapted to contact with ground. The supporting rod includes an upper end having a holding portion. The handle is mounted below the holding portion and extending forward. The holding device includes two holding plates and two elastic elements. The two holding plates are respectively mounted to two sides of the holding portion. Each of the two elastic elements is coupled between one of the two holding plates and the coupling portion to provide the two clamping plates with a holding force relative to the holding portion for holding a forearm of a user.

Abstract: A foldable crutch includes an upper rod having a pad portion on a top end thereof and a first coupling portion at a bottom end thereof. The first coupling portion includes at least one positioning groove and a receiving groove. A handle is disposed on the upper rod. A lower rod includes an upper end having a second coupling portion mounted to the first coupling portion. The second coupling portion includes a positioning member for coupling with the positioning groove or the receiving groove. A turn knob is mounted to the first coupling portion. An axle extends through the first and second coupling portions and is pivotably connected to the turn knob. An elastic element biases the first and second coupling portions to disengage the positioning member from the at least one positioning groove when the turn knob is in the unlocking position.

Abstract: Systems and methods for remotely monitoring the execution of computer programs are provided. Monitoring instructions are added the computer program so that during execution of the program, data may be collected regarding the program execution. The collected data may be automatically sent to a remote system or site for analysis. The monitoring instructions create little or no performance impact on the client yet provide valuable information to the developer of the program. Additionally, the monitoring instructions may be changes during computer program development.

Abstract: Computer software and hardware provide for remotely monitoring the execution of computer programs. Monitoring instructions are added to the computer program so that during execution of the program, data is collected regarding the program execution. The collected data may be automatically sent to a remote system or site for analysis. The monitoring instructions create little or no performance impact on the client yet provide valuable information to the developer of the program. Additionally, the monitoring instructions may be changed during computer program development.

Abstract: Systems and methods for remotely monitoring the execution of computer programs are provided. Monitoring instructions are added the computer program so that during execution of the program, data may be collected regarding the program execution. The collected data may be automatically sent to a remote system or site for analysis. The monitoring instructions create little or no performance impact on the client yet provide valuable information to the developer of the program. Additionally, the monitoring instructions may be changes during computer program development.

Abstract: Systems and methods for remotely monitoring the execution of computer programs are provided. Monitoring instructions are added the computer program so that during execution of the program, data may be collected regarding the program execution. The collected data may be automatically sent to a remote system or site for analysis. The monitoring instructions create little or no performance impact on the client yet provide valuable information to the developer of the program. Additionally, the monitoring instructions may be changes during computer program development.

Abstract: Systems and methods for remotely monitoring the execution of computer programs are provided. Monitoring instructions are added the computer program so that during execution of the program, data may be collected regarding the program execution. The collected data may be automatically sent to a remote system or site for analysis. The monitoring instructions create little or no performance impact on the client yet provide valuable information to the developer of the program. Additionally, the monitoring instructions may be changes during computer program development.