Lawn rake head of molded synthetic resin composition

Details Lawn rake head of molded synthetic resin composition Lawn rake head of molded synthetic resin composition

1987-12-15

1989-05-23

Hirsch, Paul J.

Harvesters

Hand rakes

Broom type

5640021, A01D 706

Patent

active

048318159

ABSTRACT:
An integrally molded plastic lawn rake head features a frame section composed of a first, comparatively inexpensive, synthetic resin having a relatively low modulus of elasticity and a tine section composed of a second, comparatively tougher, more elastic and wear-resistant synthetic resin; the tine section having a root portion integrally molded in and securely interlocked in intimate contact with the frame section to preclude separation of the tine section from the frame section of the lawn rake head.

REFERENCES:
patent: 1970616 (1934-08-01), Montan
patent: 2746235 (1956-05-01), Kautenberg
patent: 2794312 (1957-06-01), Finkes
patent: 3724188 (1973-04-01), Eads
patent: 4215528 (1980-08-01), Fodor
patent: 4219993 (1980-09-01), Cosmos
patent: 4573311 (1986-03-01), Fremh et al.
patent: 4667458 (1987-05-01), Barrett
patent: 4744208 (1988-05-01), King

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