The invention relates to the technical field of mechanical compression, and particularly provides a pressing and retaining device for a spring. The invention aims to solve the problems of inconvenient operation and poor compression accuracy in the existing technical solutions for spring pressing and retaining To this end, a pressing and retaining device for a spring of the invention comprises a spring compression assembly and a spring retaining assembly. The spring compression assembly is configured to be capable of compressing the spring into a set state. The spring retaining assembly is configured to be capable of fixing the spring and maintaining a compressed state of the spring when the spring is compressed into the set state, and to be capable of still fixing the spring and maintaining the compressed state of the spring when the spring retaining assembly and the spring are disengaged as a whole from the spring compression assembly. Therefore, the invention makes it possible to remove the spring retaining assembly and the spring, which is compressed into the set state, as a whole from the spring compression assembly, and to use the whole for the assembly of a rear axle assembly of a vehicle. The pressing and retaining of the spring are easy to operate, and the safety during operation is also improved.

Implementations of motorcycle base valve presses may include: a press including a base coupled to a first end of a body, a head coupled to a second end of the body, a handle coupled to a side of the head, and a press ram coupled through the head. The motorcycle base valve press may also include an end cap coupled with a first end of the press ram; and a motorcycle fork receiver coupled to the base of the press, the motorcycle fork receiver configured to receive a damper assembly of a motorcycle fork. The end cap may be configured to contact the base valve through the press ram and allow the base valve to turn.

A method for manufacturing an automobile includes placing a body on a pre-assembled underside part set, and then assembling the underside part set onto the body. The underside part set includes a rear suspension in which a spring and a shock absorber are arranged side by side, and the spring is brought into a compressed state in the underside part set before the body is placed on the underside part set.

A mechanical adaptor to enable the motorization of an otherwise non-motorized strut compressor for use in assembling and disassembling a strut assembly of the type having a shock absorber axially disposed within a coil spring. The adaptor when used in combination with an electric pipe threader and an otherwise non-motorized strut compressor enables a method for the motorized compression and release of strut springs using the otherwise non-motorized strut compressor.

A method for manufacturing an automobile includes placing a body on a pre-assembled underside part set, and then assembling the underside part set onto the body. The underside part set includes a rear suspension in which a spring and a shock absorber are arranged side by side, and the spring is brought into a compressed state in the underside part set before the body is placed on the underside part set.

A spring compressor including a first mating arm in configured to mate with a subframe component of a vehicle, a second mating arm configured to mate with a moveable suspension component of the vehicle, wherein the suspension arm carries a suspension spring, and an actuator configured move the second mating arm toward the first mating arm to compress the suspension spring, so as to facilitate installation of a part, such as a damper. The disclosure also provides a method of joining a damper or similar part with a suspension component, such as a suspension arm, and with a body portion of the vehicle, including mating the first mating arm with the subframe component, mating the second mating arm with the suspension component, actuating the actuator to move the second mating arm toward the first mating arm so as to move the suspension arm, and securing the damper to the vehicle.

A mechanical adaptor to enable the motorization of an otherwise non-motorized strut compressor for use in assembling and disassembling a strut assembly of the type having a shock absorber axially disposed within a coil spring. The adaptor when used in combination with an electric pipe threader and an otherwise non-motorized strut compressor enables a method for the motorized compression and release of strut springs using the otherwise non-motorized strut compressor.

A shock compression tool has a first end assembly defining a main axis and a first engaging surface, a second end assembly the second end assembly defining second and third engaging surfaces. The second end assembly is supported for movement along the main axis relative to the first end assembly. A drive system displaces the second end assembly along the main axis relative to the first end assembly such that a distance between the first engaging surface and the second engaging surface may be altered, and a distance between the first engaging surface and the third engaging surface may be altered. The first engaging surface and the second engaging surface define a first reference line. The first engaging surface and the third engaging surface define a second reference line. At least a portion of the first reference line is spaced from at least a portion of the second reference line.

A coil spring is interposed between a vehicle body and a suspension member which is elastically and swingably supported by the vehicle body and supports a wheel. The suspension member and a vehicle part attached to the vehicle body are connected by a fastening member. The orientation of the suspension member with respect to the vehicle body is forcibly changed so as to increase the distance between the vehicle body and the suspension member at a coil spring interposition portion. An excessive change in the orientation of the suspension member is restricted by the fastening member, and a coil spring is inserted between the vehicle body and the suspension member.

A plumbing tool designed to easily remove and replace seats and springs in stem assembly, ball valve seat, or lever handle faucets.