Abstract: A massage device includes a rotatable member rotatably supported on a supporting base with a pivot axle, and a neck massage member engaged onto the rotatable member and rotated in concert with the rotatable member relative to the supporting base for engaging with a neck portion of a user and for exercising and massaging the neck portion of the user. The supporting base includes a number of rollers engaged with the rotatable member for rotatably supporting the rotatable member on the supporting base. The supporting base includes a number of sockets for engaging with and for supporting the rollers.

Abstract: A hand pump includes a receptacle extended upwardly from a base, a piston slidably engaged in the receptacle for generating a pressurized air, a check valve engaged between the receptacle and a tubular member for limiting the flow of the pressurized air, a control valve device includes a barrel connected to the tubular member and connected to a pressure gauge which displays a pressure in the barrel, the barrel includes an outlet port coupled to a hose, an air storage tank includes a mouth connected to the barrel for allowing the pressurized air to flow between the barrel and the air storage tank, and a valve member is engaged in the barrel and includes a pathway for either aligning with or offsetting from the outlet port of the barrel.

Abstract: A hand pump includes a receptacle extended upwardly from a base, a piston slidably engaged in the receptacle for generating a pressurized air, a check valve engaged between the receptacle and a tubular member for limiting the flow of the pressurized air, a cover attached to the receptacle and having an arm, a manifold having an inlet port connected to the tubular member for receiving the pressurized air from the tubular member, the manifold includes a stud engaged through the hole of the arm, a pressure gauge is connected to the manifold for displaying a pressure in the manifold, and a hose is coupled to the stud of the manifold for receiving the pressurized air from the manifold, and a nozzle is attached to the hose.

Abstract: An adjustable kettlebell or exercise device includes a handle device formed on a receptacle, and one or more weight members selectively engageable into the receptacle, and a control device includes a shaft engaged through the receptacle and engageable through the weight members for selectively anchoring either of the weight members to the receptacle with the shaft. The weight members each include a bore for engaging with the shaft, and an opening communicating with the bore of the weight members, and the shaft includes one or more pins engageable through the openings of the weight members for selectively engaging with the weight members.

Abstract: An air valve connecting device includes a housing, a sliding member, a gasket, a follower and an actuating knob. The sliding member is slidably engaged in the housing and has a pathway selectively aligning with a passage of the housing. The gasket is attached to the sliding member for engaging with an inflation valve. The follower is slidably engaged in the sliding member for engaging with the inflation valve. The actuating knob is rotatably attached to the sliding member. The actuating knob is rotatable relative to the sliding member to an angular position where the follower is anchored to the sliding member and to another angular position where the follower is released from the sliding member.

Abstract: A hand pump includes a receptacle extended upwardly from a base, a housing attached to the base and having a port connected to a pressure gauge, a hose coupled to the housing and having a nozzle for inflating tires or objects, a sleeve slidably engaged onto the receptacle, and a check valve engaged in the receptacle for controlling the pressurized air to flow only from the sleeve into the receptacle and for preventing the pressurized air from flowing backward from the receptacle into the sleeve in order to generate the pressurized air in the receptacle, and for allowing the receptacle to store the pressurized air when required. A control valve device controls the pressurized air to flow out of the housing.

Abstract: An adjustable barbell or dumbbell or exercise device includes a handle device having a handle bar engageable into grooves of a number of weight members, the weight members each having two pivotal arms, a link pivotally connected between the arms, a hand grip disposed on the handle bar, and a number of plates disposed on the handle bar and rotated in concert with the hand grip, the plates are engageable between the weight members, and the plates each include an engaging element for engaging with the link and for moving the arms toward each other to engage with the handle device when the plates and the hand grip are rotated relative to the handle bar, and for anchoring a selected number of weight members to the handle device with the plates.

Abstract: An air valve connecting device includes a barrel rotatably connected to a housing, the barrel includes an enlarged space having a screw hole for engaging with a U.S. type inflation valve, and having an inner thread for selectively engaging with a French type inflation valve and for detachably securing the French type inflation valve to the barrel, and a shank is slidably engaged in the housing and includes one end portion for receiving the pressurized air, and the shank includes a front end portion having a mouth movable toward the barrel for selectively engaging with either the U.S. type inflation valve or the French type inflation valve.

Abstract: An air valve connecting device includes a housing, a shank slidably engaged in the housing and limited to slide relative to the housing, and prevented from pivoting and rotating relative to the housing, the shank includes one end portion for receiving the pressurized air, a barrel is rotatably engaged with the shank and connected to the housing for detachably securing the inflation valve to the barrel, and a control ferrule is connected to the housing and moved in concert with the housing and the barrel relative to the shank, and the control ferrule is threaded with the shank for forcing and moving the shank toward and to engage with the inflation valve when the control ferrule is rotated relative to the shank.

Abstract: A fly catcher includes a housing having an orifice formed in an upper peripheral portion and communicating with an inner chamber of the housing, and a cover includes a lower peripheral portion rotatably engaged with the upper peripheral portion of the housing, the cover includes an opening for selectively aligning with the orifice of the housing when the cover is rotated relative to the housing, and the cover includes a casing extended from an upper portion into the cover, and the casing includes an aperture for guiding a fly or mosquito into the cover and the housing. The cover includes a key slidably engaged with a channel of the housing for guiding and limiting the cover to rotate relative to the housing.

Abstract: An air pump device includes a housing having a barrel, a grasping device engaged in the housing for grasping an inflation valve to the housing selectively, a pumping mechanism coupled to the barrel of the housing for generating a pressurized air to the compartment of the housing, and a pressure gauge device engaged within the pumping mechanism for indicating a pressure in the chamber of the barrel and for preventing the pressure gauge device from being exposed. The pumping mechanism includes a tubular member having one end portion coupled to the barrel, and the tubular member includes a space for receiving the pressurized air from the tubular member.

Abstract: An adjustable barbell or dumbbell or exercise device includes a handle device having a handle bar engageable into grooves of a number of weight members, the weight members each having two pivotal arms, a link pivotally connected between the arms, a hand grip disposed on the handle bar, and a number of plates disposed on the handle bar and rotated in concert with the hand grip, the plates are engageable between the weight members, and the plates each include an engaging element for engaging with the link and for moving the arms toward each other to engage with the handle device when the plates and the hand grip are rotated relative to the handle bar, and for anchoring a selected number of weight members to the handle device with the plates.

Abstract: A hand pump includes a receptacle extended upwardly from a base, a piston slidably engaged in the receptacle for generating a pressurized air, a check valve engaged between the receptacle and a tubular member for limiting the flow of the pressurized air, a control valve device includes a barrel connected to the tubular member and connected to a pressure gauge which displays a pressure in the barrel, the barrel includes an outlet port coupled to a hose, an air storage tank includes a mouth connected to the barrel for allowing the pressurized air to flow between the barrel and the air storage tank, and a valve member is engaged in the barrel and includes a pathway for either aligning with or offsetting from the outlet port of the barrel.

Abstract: A hand pump includes a receptacle extended upwardly from a base, a piston slidably engaged in the receptacle for generating a pressurized air, a check valve engaged between the receptacle and a tubular member for limiting the flow of the pressurized air, a cover attached to the receptacle and having an arm, a manifold having an inlet port connected to the tubular member for receiving the pressurized air from the tubular member, the manifold includes a stud engaged through the hole of the arm, a pressure gauge is connected to the manifold for displaying a pressure in the manifold, and a hose is coupled to the stud of the manifold for receiving the pressurized air from the manifold, and a nozzle is attached to the hose.

Abstract: An air valve connecting device includes a housing, a shank slidably engaged in the housing and limited to slide relative to the housing, and prevented from pivoting and rotating relative to the housing, the shank includes one end portion for receiving the pressurized air, a barrel is rotatably engaged with the shank and connected to the housing for detachably securing the inflation valve to the barrel, and a control ferrule is connected to the housing and moved in concert with the housing and the barrel relative to the shank, and the control ferrule is threaded with the shank for forcing and moving the shank toward and to engage with the inflation valve when the control ferrule is rotated relative to the shank.

Abstract: An air valve connecting device includes a barrel rotatably connected to a housing, the barrel includes an enlarged space having a screw hole for engaging with a U.S. type inflation valve, and having an inner thread for selectively engaging with a French type inflation valve and for detachably securing the French type inflation valve to the barrel, and a shank is slidably engaged in the housing and includes one end portion for receiving the pressurized air, and the shank includes a front end portion having a mouth movable toward the barrel for selectively engaging with either the U.S. type inflation valve or the French type inflation valve.

Abstract: A dumbbell assembly includes a number of weight members, a handle device engageable with the weight members for anchoring a selected number of the weight members to the handle device, a base support includes a number of socket openings for accommodating the weight members, and a follower is slidably engaged in the base support, and the follower includes one or more catches for selectively engaging with the weight members that are supported on the base support and for selectively retaining the weight members to the base support. A spring biasing member is engaged with the follower for biasing the catches of the follower to engage with the weight members.

Abstract: A tool combination includes two housings each having a chamber formed by a base panel and two side panels, an axle and a shaft are secured between end portions of the housings, a tool assembly includes one or more tool members having ring members engaged with the axle and to be pivoted out and selectively folded and engaged into the space that is formed between the housings, another tool assembly includes one or more tool members having ring members engaged with the shaft and to be pivoted out and selectively folded and engaged into the space that is formed between the housings, and one or more tool assemblies are selectively and pivotally attached to either of the housings.

Abstract: An adjustable barbell or dumbbell or exercise device includes a handle device having a handle bar engageable into grooves of a number of weight members, a number of plates disposed on the handle bar and each having an engaging element for engaging with tongues of the weight members when the plates and the hand grip are rotated relative to the handle bar, and for anchoring a selected number of weight members to the handle bar with the plates, and a detecting device includes a displayer electrically connected to a central processing unit for displaying an information, and a switching device includes one or more weight detecting switch elements electrically connected to the central processing unit for sending signals to the central processing unit.

Abstract: An adjustable kettlebell or exercise device includes a handle device formed on a receptacle, and one or more weight members selectively engageable into the receptacle, and a control device includes a shaft engaged through the receptacle and engageable through the weight members for selectively anchoring either of the weight members to the receptacle with the shaft. The weight members each include a bore for engaging with the shaft, and an opening communicating with the bore of the weight members, and the shaft includes one or more pins engageable through the openings of the weight members for selectively engaging with the weight members.