Abstract: Disclosed is a dual-fuel heater having one or more thermocouples that operate a control valve that, in turn, controls whether fuel is distributed from a regulator to a burner based on the signal generated by the thermocouple(s). Further disclosed is a primary fuel selector valve that selects the fuel being used based on the operation of a user. The primary fuel selector valve provides fuel to the control valve upstream from the thermocouples, allowing for upstream control mechanisms such as a slave valve, to control the flow of fuel to the control valve.

Abstract: Disclosed is a dual-fuel heater having one or more thermocouples that operate a control valve that, in turn, controls whether fuel is distributed from a regulator to a burner based on the signal generated by the thermocouple(s). Further disclosed is a primary fuel selector valve that selects the fuel being used based on the operation of a user. The primary fuel selector valve provides fuel to the control valve upstream from the thermocouples, allowing for upstream control mechanisms such as a slave valve, to control the flow of fuel to the control valve.

Abstract: A quick-release wheel retainer consisting of a hooked-shaped member having a generally planar shaped tab attached thereto and extending outwardly therefrom approximately perpendicular to the hook-shaped member. The member is pivotally connected to a vertical drop-out of a bicycle front fork and the pivot connection is positioned directly above the drop-out slot such that, once in a locked position about a bicycle axle, the weight of the axle against the member causes the retainer to remain in that locked position.

Abstract: A readily releasable parking brake for a bicycle includes a housing to be secured to the underside of the down tube of a bicycle frame, and a generally U-shaped spring wire form which has the ends of its leg portions received in a recess in the housing and turned out for pivotal mounting in a pair of aligned holes in the side walls of the housing providing for movement of the wire form through approximately 90.degree. between the back and bottom walls of the recess. Aligned grooves in the side walls of the housing adjacent their junctions with the back and bottom walls of the recess act as keepers for the legs of the wire form, and the head of the screw by which the housing is mounted on a bicycle is proportioned to spread the form legs into interfitting relation with these grooves, so that engagement and disengagement of the spring form with respect to these grooves is with a snap action.

Abstract: A bicycle comprising a plurality of lugged members, each having a plurality of substantially cylindrical stub inserts extending outwardly therefrom, and a plurality of hollow, substantially cylindrical tubes which receive the stub inserts in their ends and join the lugged members together to form the frame. Each of the stub inserts includes an inner portion having a first outside diameter and an outer, pilot portion having a second, smaller outside diameter. The tubes are sized such that their inside diameters form a slip-fit with the pilot portions and a press fit with the inner portions of the inserts. An appropriate metal adhesive is applied to the pilot portions to form a bond between the pilot portions and the tubes so that the frame components are held together by the adhesive bond as well as the press fit engagement between the inserts and tubes. The press fit engagement is such that the frame is capable of storage and handling prior to the setting up of the adhesive bond.