Abstract: The shoe hold down spring (40) comprises a single wave form or serpentine shaped leaf spring (40) which is engaged at opposite ends (42, 44) by hold down pins (53, 55) of a drum brake. The hold down pins (53, 55) are connected with the backing plate (12) and extend through respective openings (21, 23) within a brake shoe web (20). The hold down spring (40) includes opposite ends (42, 44) and a middle portion (41) all of which extend away and are spaced-apart from the shoe web (20), and two intermediate curved portions (47, 49) which engage the web (20). The opposite ends (42, 44) of the hold down spring (40) have slots (43, 45) extending inwardly from spring edges (42A, 44A), and small curved recesses (42B, 44B) which effect securement of ends (53A, 55A) of the pins (53, 55) to the spring (40). The pins (53, 55) have laterally extending wings (53B, 55B) at the pin ends (53A, 55A) which are received within the small curved recesses (42A, 44A) at the respective ends (42, 44) of the spring (40).

Abstract: A disc brake including a pair of cams which contact a pair of cam followers rotatably mounted to pistons slidably carried in apertures provided to one leg of a floating caliper. The cams are secured to a shaft rotatably carried by the caliper. The cams are rotated by the shaft to move the rotary cam followers and pistons in the apertures. The pistons move one brake pad into friction contact with one side of a brake disc. A second brake pad carried by the other leg of the caliper is moved into friction contact with the other side of the disc by the reaction force through the cam shaft and caliper.

Abstract: A tape laying device is illustrated having a vertical frame, a transverse pressure roll carried by the frame supporting same for rolling movement thereon, a tape roll support, a transverse guide bar having an open slot therein receiving a reverse side of said pressure sensitive tape and guiding same beneath the pressure roll for application to a surface to be marked, and an extension bar having rigid connection to a side of the frame and pivotal connection with respect to the surface being marked for use in laying tape in straight lines or circles.

Abstract: A disc brake including a pair of brake shoes freely floating for axial movement within an open ended brake housing or caliper. A retaining member is secured adjacent each end of the caliper by radially accessible bolts. The retaining members project into detents formed at each end of each brake shoe to support the brake shoes within the caliper. The retaining members are movable out of the detents and out of alignment with the brake shoe ends after disengagement from the radially accessible bolts. The brake shoes are then accessible and removable through the open end of the caliper.

Abstract: A brake assembly including a brake actuating and automatic slack adjusting plunger assembly slidably mounted in a brake support. The plunger assembly includes means independent of the system reaction force, such as a spring, for biasing an adjusting nut to the brake released position and an axially movable rotary driving connection between the adjusting nut and a rod to permit the system reaction force to move the rod relative to the adjusting nut as the brake is released.