Abstract: A shipping and installation restraining strap for an actuator such as the hydraulic slave cylinder of a motor vehicle clutch actuating apparatus. The strap comprises a retaining member in the form of a cylindrical cap installed on the end of the actuator output rod and having a substantially hemispherical end portion engaged in a corresponding partially spherical concave recess in the member operated by the actuator, such as the clutch release lever. The other end of the strips is attached to a non-movable portion of the actuator. Each strip has a portion of reduced strength such as to break upon first operation of the actuator. The cylindrical cap is optionally provided with a radially extending disc-like flange seal resiliently engaged with the surface of the clutch actuating lever beyond the edge of the recess, such as to prevent introduction of dirt in the recess.

Abstract: A disposable rupturable shipping and installation strap holding in a retracted position the output member of a linear actuator such as a pre-filled pre-bled hydraulic actuator. The strap has a retaining member fitted over the end of the actuator output member and a pair of symmetrically disposed strips or bands integrally formed with the retaining member and attached at their other end to a portion of the actuator housing. The strips or bands have portions of reduced strength which cause the strap to break and free the actuator output member upon first operation of the actuator. Preferably, the strap is molded of relatively thin flexible plastic.

Abstract: A structure for mounting a housing, such as the housing of a hydraulic cylinder, on a support plate or panel by a simple manual push and twist motion exerted on the housing. The support plate or panel, such as the floorboard or bulkhead of a motor vehicle, is provided for example with a generally square opening, and the housing has a generally cylindrical mounting portion provided on one side with a circular flange of an outer diameter larger than the largest dimension of the square opening, and on its other side provided, for example, with a substantially square flange dimensioned such as to pass freely through the square opening. A resilient gasket is installed between the two flanges and is compressed such as to permit rotation of the housing for disposing the corners of the square flange in a locked position in engagement with rear surface areas of the plate or panel adjacent each straight side of the square opening.

Abstract: A disposable rupturable shipping and installation strap holding in a retracted position the output member of a linear actuator such as a pre-filled pre-bled hydraulic actuator. The strap has a retaining member fitted over the end of the actuator output member and a pair of symmetrically disposed strips or bands integrally formed with the retaining member and attached at their other end to a portion of the actuator housing. The strips or bands have portions of reduced strength which cause the strap to break and free the actuator output member upon first operation of the actuator. Preferably, the strap is molded of relatively thin flexible plastic.