Original Publication Date: 1988-Aug-01
Included in the Prior Art Database: 2005-Feb-15
A clamp assembly is described which is used in a manufacturing line to clamp subassemblies, such as disk enclosures, onto tester machines where positive accurate positioning is required together with easy release and removal after test. Several of these clamps are mounted in a circle around the tester with their heads parked tangentially so as not to interfere with the edge of the tester when unclamped. When clamping, a common pneumatic supply causes all heads to rotate 90oinwards and rise or fall up to 25 mm onto the job surface to be clamped. The figure shows a clamp comprising a steel housing 1 which contains a main bore forming a pneumatic air cylinder 2 enclosing an actuator shaft 4 on which is mounted the external clamp head 5. Pneumatic seals 11 are fitted to the end of the actuator shaft.