7 results about "Rubber band" patented technology

The invention discloses an oral appliance comprising maxillary band rings, connecting members, a connecting rod and guiding plates, wherein the maxillary band rings are used for sleeving maxillary posterior molars, the connecting rod is used for connecting the maxillary band rings at the left and right sides, and the shape of the connecting rod is consistent with the shape of an maxillary dental arch; each connecting member comprises fixing columns, a connecting cross bar and fixing nuts, the fixing columns are fixed on the lingual side of the maxillary band rings, through holes matching the connecting cross bar is disposed on the fixing columns, and both ends of the connecting cross bar are provided with external threads matching the fixing nuts, and each guiding plate is provided with aconnecting hole matched with the connecting cross bar. The guiding plates are arranged on the oral appliance, buccal crossbite of the posterior molars of a patient can be corrected by the outward-pushaction of the guiding plates on the mandibular molars; the oral appliance does not need to use a planting nail and a rubber band for traction, is convenient for a doctor to operate, and improves thepatient's comfort to a certain extent degree; and the oral appliance is applied to the mild buccal crossbite of the posterior molars.

The invention discloses an anti-disengaging bicycle pedal. The anti-disengaging bicycle pedal mainly comprises a pedal rod, a pedal body, a groove, a compression cap, a supporting rod, anti-skidding rods, rotary shafts, first springs, sliding ways, sliding blocks, rubber band pull ropes and second springs. The pedal rod is fixedly connected with the pedal body, the groove is formed in the upper end of the pedal body, the compression cap is arranged at the upper end of the groove in a spaced mode, the compression cap is matched with the groove, and the lower end of the compression cap is fixedly connected with the supporting rod. The anti-skidding rods are arranged at the two ends of the pedal body, each anti-skidding rod is divided into two sections, and one rotary shaft and one first spring are arranged between the two sections of each anti-skidding rod. The sliding ways are arranged in the pedal body, the sliding blocks are arranged on the sliding ways, the upper ends of the sliding blocks are fixedly connected with the anti-skidding rods, one end of each sliding block is connected with the corresponding rubber band pull rope, the other ends of the rubber band pull ropes are fixed to the lower ends of the supporting rods, one second spring is arranged on the inner wall of one end of each sliding way, and the other ends of the second springs are connected to the outer wall of the bottom of the supporting rod. The anti-disengaging bicycle pedal is novel in design and convenient to operate, and the problem that the feet easily disengage in the bicycle riding process is effectively solved.

The invention provides a novel stainless steel self-locking drainage tube joint fixing device which comprises an upper side tube, a lower side tube, rubber band rings, an anti-skid plate, fixing bands, a limiting jacking frame structure, an inserting ring, an open groove, inverted teeth, an upper side ring, an upper side band, a buffer connecting frame structure, a lower side ring, a lower side band and a middle protective outer sleeve structure. The lower side tube is arranged at the lower part of the upper side tube; the rubber band rings are respectively in sleeving connection outside the upper side tube and the lower side tube; and the fixing bands are respectively in sleeving connection to a joint of the upper side tube and the anti-skid plate and a joint of the lower side tube and the anti-skid plate. According to the invention, a jacking spring is in sleeving connection outside a longitudinal rod, which is beneficial for utilizing a pulling handle to drive the longitudinal rod to be pulled upwards in the disassembling process, so that a limiting clamping base is separated from the inverted teeth to facilitate pulling the fixing bands out of a conveying frame; a buffer springis in sleeving connection outside a connecting bolt, which is beneficial for achieving the buffering function on a joint of the upper side band and the lower side band in hot or cold weather.

The invention relates to the technical field of denoising devices, and discloses an ancient book image denoising device. The Ancient book image denoising device comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with an ancient book placement table; one side of the bottom plate is fixedly connected with an electric push rod; the upper surface of the electric push rod is fixedly connected with a motor case; one side of the motor case is fixedly connected with a supporting plate; the bottom end in the motor case is fixedly connected with an anti-noise padded block; the anti-noise padded block comprises an anti-noise layer; the anti-noise layer is located at the periphery in the anti-noise padded block; the inside of the anti-noise layer is fixedly connected with a spring; one side of the spring is fixedly connected with a filling layer. According to the ancient book image denoising device, by the arrangement of the anti-noise layer, a rubber bandand the spring, the anti-noise layer made of a sponge material can reduce noise caused by working of a motor; the rubber band and the spring timely reduce irregular vibration generated during the working of the motor, and the denoising effect of the ancient book image denoising device is achieved.

The invention relates to the field of fruit tree production machinery, and in particular relates to a bagging machine for fruit trees. The bagging machine comprises a shrunk-on rod and a bagging sleeve, the bagging sleeve is in the shape of a circular truncated cone, the outer side surface of the bagging sleeve is provided with sliding grooves and grooves from the top to the bottom, the sliding grooves and the grooves are arranged in a radial direction of the bagging sleeve and communicate with a fruit feeding passage, the sliding grooves include a first sliding groove and a second sliding groove, a first slide block and a second slide block are connected through a rubber band in the fruit feeding passage, the rubber band is provided with an elastic cowhide pocket used for carrying fruits,each groove is embedded with an arc-shaped rubber block, a first rubber block and a second rubber block are separately and fixedly connected with the cowhide pocket through a tension spring, and a rubber belt, the cowhide pocket and a material inlet are all located on a same axis. The bagging machine provided by the invention is intended to achieve the purpose that after fruit bagging is completed once, a bagging device does not need to be taken down for placing a film bag, and a next fruit can be bagged.

The invention discloses a shoe. The shoe comprises a shoe body, the shoe body is provided with a first shoe tongue and a second shoe tongue which are connected through a nylon buckle; the top of the first shoe tongue is provided with a protective cover, and a rubber band is arranged at the cover opening of the protective cover; an anti-slip groove is formed in the bottom surface of the shoe body. The shoe is good in usage effect and simple in structure, a toe part of the shoe can be effectively prevented from being contaminated by dirty water on the ground in rainy days.